Zuckerkandl tubercle ultrasound. 1867年,Madelung曾把ZT称为"甲状腺后角".

Zuckerkandl tubercle ultrasound A recent case of ZT with a nodular configuration caused clinical concern but was shown on biopsy to be normal thyroid tissue. 144 Zuckerkandl’s tubercle (ZT) is a protuberance that arises from the posterior border of thyroid lobes and was first described by Emil Zuckerkandl in 1902[23 – 25]. The Zuckerkandl's tubercle: a useful anatomical landmark for detecting both the recurrent laryngeal nerve and the superior parathyroid during thyroid surgery. The correct interpretation of the ultrasound characteristics of these variants is essential to establish the clinical Mar 25, 2024 · Ultrasonography (US) and ultrasound guided fine needle aspiration cytology (US-FNAC) are the first-line imaging investigations used for evaluation of nodular thyroid disease and clinically suspected thyroid malignancy. It arises for embryological reasons We read with great interest the article by Gravante et al reporting on the Zuckerkandl tubercle [1]. RLN ¼ recurrent laryn-geal nerve; TZ ¼ tubercle of Zuckerkandl. Thyroid ultrasound showed a 21 × 20 × 23 mm isoechoic Zuckerkandl tubercle (Fig. BACKGROUND AND PURPOSE: The posterior thyroid tubercle, also known as ZT, is an important surgical landmark due to its close proximity to the recurrent laryngeal nerve. Prominent ZTs are frequently observed in thyroid lobes affected by autoimmune thyroiditis compared with normal lobes or nodular lobes (P = 0. Reference is made to anatomical variants in shape, the pyramidal lobe, tubercle of Zuckerkandl, ectopic thyroid tissue, and their significance. Zuckerkandl tubercles (ZTs) have been detected in 55% of all thyroid lobes. The correct interpretation of the ultrasound characteristics of these variants is essential to establish the clinical Apr 6, 2016 · Zuckerkandl tubercle (ZT) is a lateral projection from the lateral thyroid lobe which is a constant landmark for finding the recurrent laryngeal nerve during thyroid surgery. The tubercle sometimes gives the impression that a “cleft” (hyperechoic bright line) separates it from the main thyroid lobe. An important anatomic structure that serves as a reliable landmark for the recurrent laryngeal nerve in thyroid surgery. Presence and size of the ZT was prospectively assessed during thyroidectomies done at a single surgical unit during 2013. They are present in most patients and occur more commonly on Background and purpose: The posterior thyroid tubercle, also known as ZT, is an important surgical landmark due to its close proximity to the recurrent laryngeal nerve. Normal thyroid is homogeneous in appearance without defining anatomic landmarks within the gland. A few anatomic variants can occur, and it is important for the sonographer and Apr 27, 2017 · Zuckerkandl's tubercle was more frequent in the right thyroid lobe (P=. 28, Issue. At that time, it was described as the “posterior horn of the thyroid,” but it was later redefined by Emil Zuckerkandl, whose name the eponym reflects, as the “tuberculum” or the “processus posterior glandulae thyroideae” []. Zuckerkandl结节(Zuckerkandle tubercle,ZT)是甲状腺一个特殊的解剖特征,由甲状腺后外侧突起形成的部分,与甲状腺喉返神经及上甲状腺旁腺有重要的解剖关系. Thus, the Tubercle of Zuckerkandl is Zuckerkandl's tubercle was more frequent in the right thyroid lobe (P=. K. Furthermore, removal of the TZ is critical for the adequate performance of a total thyroidectomy. 00%). Citation: Gurluler E (2023) The use of Zuckerkandl's tubercle as an anatomical landmark in identifying recurrent laryngeal nerve and superior parathyroid gland during total thyroidectomy: a prospective single-surgeon Conclusion: Zuckerkandl's tubercle which is defined as posterior exterior of lateral lobes of the thyroid gland is a common anatomical structure found in the majority of cases. Mar 28, 2017 · Thus, the Tubercle of Zuckerkandl is similar to the pyramidal lobe, an embryologic remnant of midline migration. Conclusion: The tubercle of Zuckerkandl is a poorly known and variable anatomical feature of the thyroid gland which may not, in fact, be so rare. Nov 29, 2019 · Zuckerkandl tubercle (arrows) Longitudinal ultrasound of right lobe 140. This has a relationship with the recurrent laryngeal nerve (RLN Jun 1, 2022 · The tubercle of Zuckerkandl is a small projection from the posterolateral aspect of the thyroid lobes which serves as a surgical landmark for identification of the recurrent laryngeal nerve. the RLN passes immediately medial to it. Jan 12, 2013 · The Zuckerkandl tubercle is a residue from the embryological development of the thyroid gland. They are present in most patients and occur more commonly on The thyroid tubercle of Zuckerkandl (TZ) (fig. 2 The thyroid gland originates from the foramen cecum located in the posterior one-third of the tongue and descends through the neck during fetal The shape of the Zuckerkandl's tubercle was sessile (70. The purpose of the present study was to test our hypothesis that the TZ is more consistently found and is larger on the Dec 24, 2001 · Background : The Zuckerkandl’s tubercle (ZT) of the thyroid gland is a well‐described anatomical landmark, but few studies have clearly defined its association with pressure symptoms. Gross anatomy. Nodular tubercle of Zuckerkandl with recurrent laryngeal nerve coursing medial. S. Selvarajan , H. It is an important landmark for finding the recurrent laryngeal nerve during thyroid surgery as the nerve passes immediately media to it. ZT has a relation with the recurrent laryngeal nerve (RLN). It is generally found in 63% to 80% of patients undergoing thyroidectomy and is located between the superior … Identification and preservation of the recurrent laryngeal nerve is a major concern during thyroidectomies. The importance of the tubercle emerged after Pelizzo in 1980’s described ZT as an anatomical landmark for safe identification of RLN . ! Thyroid ultrasound is best performed with the patient in a supine position with the neck hyperextended. Endocr J 2008;55:925–30 10. Curtin S. Our objective is to highlight the importance of the Zuckerkandl tubercle, as it has proven to be a reliable point of reference to locate the upper parathyroid, the lower thyroid artery and the recurrent nerve. This tubercle arises from the lateral anlage [the thyroid gland develops Sep 5, 2011 · The Tubercle of Zuckerkandl (TZ), which is the remant of the lateral thyroid process, is an important anatomic structure that serves as a reliable landmark for the Nov 24, 2015 · Zuckerkandl's tubercle was more frequent in the right thyroid lobe (P=. Jan 9, 2025 · Zuckerkandl's tubercle. 3174/ajnr. 10) Zuckerkandl tubercle is a projection from a normal thyroid lobe/tissue to the tracheoesophageal groove. 8–10 This normal protuberance of tissue can mimic a thyroid nodule in the transverse plane (pseudonodule); however scanning in the sagittal plane confirms that the Zuckerkandl tubercle (ZT) is a lateral projection from the lateral thyroid lobe which is a constant landmark for finding the recurrent laryngeal nerve during thyroid surgery. It is a normal protuberance of thyroid gland arising from its posteromedial border, originally referred to, by the German surgeon Otto Wilhelm Madelung in 1867 as the posterior horn of the thyroid and named after Austrian anatomist Emil Zuckerkandl, who characterised it in This Article represents an initial attempt to develop a direct, non-invasive method for the identification and localization of the Recurrent Laryngeal Nerve and the Tubercle of Zuckerkandl by High Frequency Ultrasound Imaging. On ultrasound, it can be misread as an extrathyroidal lesion. doi: 10. . The relation between superior parathyroid gland and Zuckerkandl's tubercle by Zuckerkandl's tubercle grading in total thyroidectomy patients. Patients presenting for treatment of thyroid nodules can have anatomy that is distorted by the nodules or by prior surgery. Zuckerkandl's tubercle (ZT) is the posterior extension of lateral lobes. Mar 20, 2016 · An accessory pyramidal lobe can extend superiorly from the isthmus toward the hyoid bone. Radiol Clin N Am 2011;49:391–416. A pyramidal lobe is present in ~20 (range 10-30%) of the population ref and is commonly seen on routine thyroid ultrasound 3. Zuckerkandl Tubercle Sep 28, 2013 · One such anomaly, the tubercle of Zuckerkandl (TZN), is a posterolateral extension of the thyroid gland that has also been called as the posterior horn of thyroid [described for the first time by Otto Madelung in 1867 and later by Emil Zuckerkandl (1849–1910)] [1–3]. Keywords: Recurrent Laryngeal Nerve; Tubercle of Zuckerkandl; Ultrasound This study is focussed on the delineation of the Recurrent laryngeal nerve (RLN) and the Tubercle of Zuckerkandl (TZ) [1,2]. 1 For Sep 17, 2020 · It is an important anatomic landmark for surgeons because of its relationship with the recurrent laryngeal nerve, which is typically located medial to the Zuckerkandl tubercle. The pyramidal lobe is seen as a third thyroid lobe and represents a persistent remnant of the thyroglossal duct. Oct 15, 2024 · Epidemiology. Jun 1, 2022 · Thyroid ultrasound is performed for multiple indications including but not limited to confirmation of a thyroid nodule, nodule characterization, differentiating thyroid lesions from other cervical masses, evaluation of thyroid parenchyma, postoperative evaluation for residual or recurrent tumor, cancer screening (such as multiple endocrine neoplasia or MEN), and to guide FNA/biopsy. Zuckerkandl's tubercle (ZT) is defined as the extension of the lateral lobes of the thyroid, composing of thyroid tissue only . 12. Mar 17, 2015 · The tubercle of Zuckerkandl (ZT) is an embryological remnant of the thyroid gland. 80% of cases, the Zuckerkandl's tubercle distal end was bifid. Lee S. Prospective study on 144 patients (48 males, 96 females) undergoing thyroidectomy (35 hemithyroidectomies, 109 total thyroidectomies) from September 1st 2010 - February 28th 2013. 3. When the The Zuckerkandl’s tubercle: A useful anatomical landmark for detecting both the recurrent laryngeal nerve and the superior parathyroid during thyroid surgery. Excision of the tubercle requires fine and meticulous dissection with great case because of close relationship between ZT and RLN. 2). , Murphy M. View Show abstract 摘要. Mukundan BACKGROUND AND PURPOSE: The posterior thyroid tubercle, also known as ZT, is an important surgical landmark due to its close proximity to the recurrent laryngeal nerve. 103 consecutive patients with thyroid nodules at Zuckerkandl tubercle (ZTTN) were enrolled in this study from November 2017 Nov 1, 2019 · Ultrasound images of anatomical variants of shape and size are displayed, including agenesis, hemi-agenesis, and all variations of accessory thyroid gland parenchyma: external, superior (pyramidal lobe or Lalouette's pyramid, thyroglossal duct cyst, lingual thyroid), posterior (Zuckerkandl's tubercle or lobe), and inferior (mediastinal). 03%). Endocr. 1, Fig. To evaluate the safety and efficacy of US-guided microwave ablation in patients with thyroid nodules at Zuckerkandl tubercle. 4. Methods: Ultrasound imaging is performed on both sides of the neck in a study group Nov 26, 2017 · Zuckerkandl Tubercle (ZT) is the posterior projection of lateral lobes of the thyroid gland and is a common anatomical structure observed in 60-90% of cases. Zuckerkandl tubercle: A protuberance of the Apr 8, 2019 · An initial attempt to evaluate and localize the Recurrent Laryngeal Nerve and TZ by means of ultrasound imaging would prove to be beneficial in surgical practice. The importance of the tubercle emerged after Pelizzo in 1980’s described ZT as an anatomical landmark for safe identification of RLN [ 9 ]. Keywords Thyroid · Zuckerkandl tubercle · Recurrent laryngeal nerve · Computed tomography Introduction Zuckerkandl tubercle (ZT) is a protrusion induced by the lateral or posterior thyroid lobe. The tubercle was first described by Otto Madelung in 1867 as “posterior horn of the thyroid”. Discussion. b) The thyroid scintigraphy using 99mTechnetium-pertechnetate reveals a tracer uptake in the sublingual region and thus confirms the lingual thyroid. Lee , S. 1. Thyroid ultrasound showed a 21 × 20 × 23 mm isoechoic Apr 1, 2007 · The Zuckerkandl tubercle (Fig. Aug 30, 2023 · Methods: 113 consecutive patients with thyroid nodules at Zuckerkandl tubercle (ZTTN) were enrolled in this study from November 2017 to August 2021. Prior to the surgery or US-guided microwave ablation (MWA), preoperative ultrasound visualization of the recurrent laryngeal nerve (RLN) and ZTTN was performed, the size and the position Ultrasound is the best screening and diagnostic test for evaluation of the thyroid gland. Nov 12, 2008 · Zuckerkandl's tubercle of the thyroid gland: Its location in the anatomical position, and comparative morphology of the same specimens before and after fixation. We aimed to evaluate the frequency of TZ and its relationship with other anatomical variations and recurrent laryngeal nerve (RLN) paralysis. This structure is usually present as a lateral projection from the lateral thyroid lobe in the vicinity of the extralaryngeal termination of the recurrent laryngeal Jan 12, 2025 · Thyroid nodules are a common incidental finding on imaging (see: incidental thyroid nodules), present in ~10% of CT and MRI neck examinations, ~50% (range 20-76%) of neck ultrasound, and 55% (range 50-65%) of autopsies 1-3. 1867年,Madelung曾把ZT称为"甲状腺后角". In May 28, 2016 · The structure now known as the tubercle of Zuckerkandl was originally recognized in 1867 by a German surgeon named Otto Wilhelm Madelung []. Its close relationship to the recurrent laryngeal nerve (RLN) makes it an important surgical landmark. Dec 25, 2024 · The tubercle of Zuckerkandl (TZ) is considered to be the fusion point of the ultimabranchial body and the median thyroid body. 16. View Show abstract Feb 2, 2012 · Europe PMC is an archive of life sciences journal literature. The present work describes the process of the sonographic examination, normal findings and measurements in the B-mode ultrasound evaluation. We did not find a Zuckerkandl's tubercle individualised as an ectopic thyroid (0. They describe well the anatomic configuration and the important relationship with the recurrent laryngeal nerve. It is a point that can be used dur- Moreover, if the patient has thyroid nodules at the Zuckerkandl tubercle (ZTTN), the RLN is at a higher risk of damage as the ZTTN is located in close proximity to the RLN (see Pa ge 4/ 21 Feb 2, 2012 · Zuckerkandl Tubercle of the Thyroid: A Common Imaging Finding That May Mimic Pathology T. 1, 2) is an important landmark in thyroid surgery, which was first described by the Viennese anatomist, Emil Zuckerkandl, in 1902 . Zuckerkandl's tubercle was more frequent in the right thyroid lobe (P=. Laryngoscope 121: November 2011 Sheahan and Murphy: Thyroid Tubercle of Dec 9, 2005 · The Zuckerkandl tubercle is generally found in 63% to 80% of patients undergoing thyroidectomy and is located between the superior and inferior lobes pointing toward the tracheoesophageal groove . 006). Aug 1, 2015 · The Zuckerkandl's tubercle (ZT) of the thyroid gland is a well-described anatomical landmark, but few studies have clearly defined its association with pressure symptoms. The purpose of this study was to review a series of CT neck studies to identify how often ZT Objective: The Tubercle of Zuckerkandl (TZ), which is the remant of the lateral thyroid process, is an important anatomic structure that serves as a reliable landmark for the recurrent laryngeal nerve in thyroid surgery. C. We also have published in 1998 [2] our experience with the Zuckerkandl tubercle in 104 cases and we would like to express our opinion. The thyroid gland develops from 3 anlages: the larger median anlage and the paired Sep 17, 2020 · Zuckerkandl tubercles are the projections of normal thyroid tissue from the posterior or posteromedial margin of the thyroid gland that extend posterior to the tracheoesophageal groove. 4 Tubercle of Zuckerkandl This is a knuckle of thyroid tissue projecting from the deep border of a thyroid lobe, typically at the posterior midpoint. When the fibrotic bands occur in this portion of the gland, the tubercle can be mistaken for an exophytic nodule (Figs. Zuckerkandl tubercle (ZT) is a lateral projection from the lateral thyroid lobe which is a constant landmark for finding the recurrent laryngeal nerve during thyroid surgery. TubeRCle of ZuCkeRkANdl ANd eNTRANCe of ReCuRReNT lARyNgeAl NeRve Tubercle of Zuckerkandl is usually situated at the middle third of lateral lobe in around 80 to 85% of the cases. Prior to the surgery or US-guided microwave ablation (MWA), preoperative ultrasound visualization of the Although this tubercle is named after Austrian anatomist Emil Zuckerkandl, who described it in 1902 as processus posterior glandulae thyroideae, 6 it was first described by the German surgeon Otto Wilhelm Madelung in 1867 as the posterior horn of the thyroid. Feb 27, 2018 · Often the tubercle of Zuckerkandl becomes prominent in the setting of diffuse thyroid disease and projects from the undersurface of the gland. Oct 29, 2023 · Keywords: thyroidectomy, Zuckerkandl's tubercle, anatomical landmark, recurrent laryngeal nerve, superior parathyroid gland. The remant of the lateral thyroid process. Zuckerkandl’s tubercle (ZT) is a protuberance that arises from the posterior border of thyroid lobes and was first described by Emil Zuckerkandl in 1902 [22–24]. The thyroid gland develops from 3 anlages: the larger median anlage and the paired Dec 2, 2018 · Ultrasound images of anatomical variants of shape and size are displayed, including agenesis, hemi-agenesis, and all variations of accessory thyroid gland parenchyma: external, superior (pyramidal lobe or Lalouette's pyramid, thyroglossal duct cyst, lingual thyroid), posterior (Zuckerkandl's tubercle or lobe), and inferior (mediastinal). Objective: The tubercle of Zuckerkandl (TZ) is a lateral projection from the thyroid lobe in the vicinity of the extralaryngeal termination of the recurrent laryngeal nerve (RLN), which is a very useful landmark for identification of the RLN during thyroidectomy. The Zuckerkandl tubercle is generally found in 63% to 80% of patients undergoing thyroidectomy and is located between the superior and inferior lobes pointing toward the tracheoesophageal groove (Fig. 1507/endocrj. The Zuckerkandl tubercle is an anatomic landmark that can be used for this purpose. Apr 8, 2019 · Request PDF | Ultrasound Guided Delineation of the Recurrent Laryngeal Nerve and the Tubercle of Zuckerkandl | Objective: To develop a direct, non-invasive method for the delineation of the Thyroid gland to form a tubercle known as Zuckerkandl tubercle. Prior to the surgery or US-guided microwave ablation (MWA), preoperative ultrasound visualization of the recurrent laryngeal nerve (RLN) and ZTTN was performed, the size and the position Keywords: Recurrent Laryngeal Nerve; Tubercle of Zuckerkandl; Ultrasound This study is focussed on the delineation of the Recurrent laryngeal nerve (RLN) and the Tubercle of Zuckerkandl (TZ) [1,2]. This tubercle is the most posterior pyramidal extension of pure thyroid tissues of the lateral lobes of the thyroid gland in the area of the ligament of Berry. 6 ). The Zuckerkandl tubercle was classified into 3 types based on its direction of extension: posteromedial in 64% of the specimens, posteromedial and superior in 13%, and posteromedial and inferior in 6%. It has a nodular shape in over a third of CT neck studies in our series. They can also be found on clinical examination as palpable lesions in the neck, although this clinical finding does not Five tubercles of Zuckerkandl were identified (7. A2914 To our knowledge, this is the first study that utilizes ultrasound to visualize RLN and ZTTN, and to lower the risk of RLN injury during MWA. Sep 9, 2019 · Ultrasound examination showed a hypoechoic nodule with regular contours and microcalcifications. 2 Superior parathyroid gland is also derived from the 4th brachial cleft so is commonly found in close association with Apr 8, 2019 · Corpus ID: 163163279; Ultrasound Guided Delineation of the Recurrent Laryngeal Nerve and the Tubercle of Zuckerkandl @inproceedings{Roy2019UltrasoundGD, title={Ultrasound Guided Delineation of the Recurrent Laryngeal Nerve and the Tubercle of Zuckerkandl}, author={Homagni Sikha Roy and Qing Zhu and Ye Luo and Yan Li and Yi Mao and Shiyan Yang and Chunxia Cheng}, year={2019}, url={https://api Nov 20, 2013 · Abstract. Conclusion Zuckerkandl's tubercle is recognised by its location, shape and dimensions. Ultrasound examination showed a hypoechoic nodule with regular contours and microcalcifications. Objective: To develop a direct, non-invasive method for the delineation of the Recurrent Laryngeal Nerve (RLN) and the Tubercle of Zuckerkandl (TZ). Identification of recurrent laryngeal nerve is the important step in present day thyroid surgery. The phases of operation is almost all the same as in the current standard procedure [8], [9]. The Zuckerkandl tubercle was most frequent in the right thyroid lobe (P = 0. Zuckerkandl's tubercle is a pyramidal extension of the thyroid gland, present at the most posterior side of each lobe. 3. We report the case of an asymptomatic patient with a 23 mm uninodular goitre suspicious for cancer. The thyroid gland develops from 3 anlages: the larger median anlage and the paired Thyroid gland to form a tubercle known as Zuckerkandl tubercle. Curtin , S. Thus, it may be misinterpreted as a nodule and unnecessarily biopsied. Sep 14, 2022 · Zuckerkandl tubercle (ZT) is a lateral projection from the lateral thyroid lobe . Methods : Sixty‐six consecutive patients who had primary thyroid surgery were prospectively included in the present study between late January and early Sep 28, 2013 · One such anomaly, the tubercle of Zuckerkandl (TZN), is a posterolateral extension of the thyroid gland that has also been called as the posterior horn of thyroid [described for the first time by Otto Madelung in 1867 and later by Emil Zuckerkandl (1849–1910)] [1–3]. It is classified into three grades according to size: I <0. 16 and 16. 1 历史Zuckerkandl是澳大利亚解剖学家,在1902年首先提出并将其作为"甲状腺后侧部分"结节加以命名[1]. Zuckerkandl’s tubercle (ZT) is defined as posterior extension of lateral lobes, composing of thyroid tissue only [1]. a) The ultrasound examination in transverse direction demonstrates a sublingual mass with an echogenicity equal to thyroid tissue. 2008;55:925–930. Sixty-six consecutive Sep 26, 2023 · The organs of Zuckerkandl are not often visualized radiologically unless they are involved in a pathologic process, including: paragangliomas 1. Feb 2, 2012 · BACKGROUND AND PURPOSE: The posterior thyroid tubercle, also known as ZT, is an important surgical landmark due to its close proximity to the recurrent laryngeal nerve. J. Mukundan American Journal of Neuroradiology Jun 2012, 33 (6) 1134-1138; DOI: 10. 96%) or pedunculated (29. 5 to 1 cm, III >1 cm [1–3] . 2. It is the condensed thyroid parenchyma located in the cricothyroid junction. Schematic drawing showing relationship of recurrent laryn-geal nerve with tubercle of Zuckerkandl. This tubercle arises from the lateral anlage [the thyroid gland develops 103 consecutive patients with thyroid nodules at Zuckerkandl tubercle (ZTTN) were enrolled in this study from November 2017 to August 2021. Tubercle of Zuckerkandl (ZT), named by an Austrian anatomist, Emil Zuckerkandl, is defined as posterior extension of the lateral lobe which is composed of thyroid tissue only . Keywords Recurrent laryngeal nerves, Microwave ablation, Thyroid nodules at Zuckerkandl tubercle Protect the recurrent laryngeal nerves in US-guided microwave ablation of thyroid nodules at Zuckerkandl tubercle: a pilot study Ziyue Hu1, Lu Wang1, Man Lu1*, Wei Yang 1, Xiaobo Wu1, Jinshun Xu1, Min Zhuang1 and Shishi Wang1 Nov 24, 2015 · To study the incidence of the tubercle of Zuckerkandl (ZT) among Indian patients subjected to thyroid surgery at a tertiary care cancer centre and its relevance in localization of recurrent laryngeal nerve (RLN). Aug 8, 2021 · Zuckerkandl tubercles (ZTs) have been detected in 55% of all thyroid lobes. 2 Superior parathyroid gland is also derived from the 4th brachial cleft so is commonly found in close association with Tubercle of Zuckerkandl is mostly located in the mid third of the thyroid lobe (88%), however, it can be found in the lower part or on the upper third3-5 (Fig. Thyroid tubercle of Zuckerkandl: Importance in thyroid surgery. Jun 6, 2022 · Purpose This study investigated the incidence of thyroid Zuckerkandl Tubercle (ZT) using a computed tomography (CT) scan of the neck with contrast to identify the typologies in ZT-positive CT scans, investigate the presence of nodules located in that area, and compare the results with the relevant literature. The RLN is located posterior to the ZT at the point where it enters the larynx [ 26 ]. Although it is undeniably well known in surgery, this is not so among otolaryngologists. They can also be found on clinical examination as palpable lesions in the neck, although this clinical finding does not 44. Sheahan P. 4, p. In the 5. The tubercle of Zuckerkandl can often be reliably identified on CT and is located on the posterior aspect of each lobe; it serves as a surgical landmark for the recurrent laryngeal nerve, which passes posterior to it (Fig. the gland may be supplied by a thyroidea ima artery, which may replace the inferior thyroid artery (3%) Radiographic appearance Ultrasound. Jan 12, 2025 · Thyroid nodules are a common incidental finding on imaging (see: incidental thyroid nodules), present in ~10% of CT and MRI neck examinations, ~50% (range 20-76%) of neck ultrasound, and 55% (range 50-65%) of autopsies 1-3. 5 cm, II 0. pheochromocytoma; neuroblastoma (rare) 3; History and etymology. 2). (MWA), preoperative ultrasound Dec 12, 2024 · most nodules need to be >1 cm to be confidently seen on ultrasound parathyroid adenomas tend to be homogeneously hypoechoic compared to the overlying thyroid gland an echogenic thyroid capsule separating the thyroid from the parathyroid may be seen: some of the nodule may appear as fairly well-defined with no appreciable capsule ref Apr 8, 2019 · Corpus ID: 163163279; Ultrasound Guided Delineation of the Recurrent Laryngeal Nerve and the Tubercle of Zuckerkandl @inproceedings{Roy2019UltrasoundGD, title={Ultrasound Guided Delineation of the Recurrent Laryngeal Nerve and the Tubercle of Zuckerkandl}, author={Homagni Sikha Roy and Qing Zhu and Ye Luo and Yan Li and Yi Mao and Shiyan Yang and Chunxia Cheng}, year={2019}, url={https://api On axial CT, the Zuckerkandl tubercle was usually continuous with the posteromedial part of the thyroid lobe and extended posteromediallytotheesophagus Nov 24, 2015 · Tubercle of Zuckerkandl (ZT), named by an Austrian anatomist, Emil Zuckerkandl, is defined as posterior extension of the lateral lobe which is composed of thyroid tissue only . Feb 2, 2012 · The presence of tubercle of Zuckerkandl (TZ) of the thyroid gland has been investigated in 20 specimens obtained from patients died from diseases not concerned to the cervical area. Sep 17, 2020 · Zuckerkandl tubercles are the projections of normal thyroid tissue from the posterior or posteromedial margin of the thyroid gland that extend posterior to the tracheoesophageal groove. Methods We selected and retrospectively examined the CT scan images of patients who Aug 4, 2020 · Zuckerkandl's tubercle (ZT) is considered a useful reference for locating the RLN during thyroid surgery. [1] [2] Emil Zuckerkandl described it in 1902 as the processus posterior glandulae thyreoideae. Feb 26, 2024 · Methods 103 consecutive patients with thyroid nodules at Zuckerkandl tubercle (ZTTN) were enrolled in this study from November 2017 to August 2021. It is the condensed thyroid parenchyma located in the cricothyroid Feb 26, 2024 · Background To evaluate the safety and efficacy of US-guided microwave ablation in patients with thyroid nodules at Zuckerkandl tubercle. Clinical Anatomy, Vol. Prior to the surgery or US-guided microwave ablation (MWA), preoperative ultrasound visualization of the recurrent laryngeal nerve (RLN) and ZTTN was performed, the size and the position relationship between them were observed. This prospective series of total thyroidectomies revealed that ZT was recognizable in majority of patients, as a landmark for locating both the SPG and RLN during the operation. Jun 1, 2012 · Recognition of this feature of the thyroid gland at CT imaging can obviate the need for biopsy and avoid potential recurrent laryngeal nerve injury. [Google Scholar] 32. It was mostly located at the posteromedial border of the thyroid lobe and within the middle two quarters (2nd and 3rd) of the thyroid lobe. It is mostly manifested in the form of a thyroid parenchyma, which is located in the cricothyroid compound. Zuckerkandl Tubercle of the Thyroid: A Common Imaging Finding That May Mimic Pathology T. Thin & thicker fibrous septa in hypoechoic thyroid Creating pseudonodules and parenchymal coarsening When it is unclear if a nodule is present, FNAC may be needed FNAC: fine needle aspiration cytology Sholosh B et al. 17 and Video 16. Eighty patients were included in the May 1, 2016 · In this technique, an approach to the RLN from Zuckerkandl tubercle was preferred instead of classically using inferior thyroid artery as an anatomic landmark. Fig. 06). Jun 1, 2012 · CONCLUSIONS: ZT is an important surgical landmark of the thyroid that has important radiologic variations. Aug 4, 2020 · Zuckerkandl's tubercle (ZT) is considered a useful reference for locating the RLN during thyroid surgery. Nov 1, 2019 · Ultrasound images of anatomical variants of shape and size are displayed, including agenesis, hemi-agenesis, and all variations of accessory thyroid gland parenchyma: external, superior (pyramidal lobe or Lalouette's pyramid, thyroglossal duct cyst, lingual thyroid), posterior (Zuckerkandl's tubercle or lobe), and inferior (mediastinal). A recent case of ZT with a nodular configuration caused clinical concern but Jul 10, 2011 · Emil Zuckerkandl (1849–1910), an Austrian anatomist who described a lateral projection of the thyroid gland, was an early pioneer of clinical anatomy . Mar 9, 2022 · A good understanding of the anatomic structures of the neck surrounding the thyroid gland is a requisite for safely performing image guided procedures on the thyroid gland. the normal thyroid gland has a homogeneous appearance with medium echogenicity 9. It was first described in 1901 by Emil Zuckerkandl (1849-1910) 4, a professor of anatomy at the University of Vienna. This research’s significance lies on numerous aspects. K08E-132 [ DOI ] [ PubMed ] [ Google Scholar ] Apr 27, 2011 · Although this tubercle is named after Austrian anatomist Emil Zuckerkandl, who described it in 1902 as processus posterior glandulae thyroideae, 6 it was first described by the German surgeon Otto Wilhelm Madelung in 1867 as the posterior horn of the thyroid. The thyroid is best imaged using a high-frequency linear probe with the patient in a supine position with the neck hyperextended. K08E-132. This Article represents an initial attempt to develop a direct, non-invasive method for the identification and localization of the Recurrent Laryngeal Nerve(RLN) and the Feb 2, 2012 · Although this tubercle is named after Austrian anatomist Emil Zuckerkandl, who described it in 1902 as processus posterior glandulae thyroideae, 6 it was first described by the German surgeon Otto Wilhelm Madelung in 1867 as the posterior horn of the thyroid. 04 per cent of cases) and were useful in detecting the recurrent laryngeal nerve (but only on the right side). 2) is an anatomic landmark that can be used for this purpose. the capsule may appear as a thin hyperechoic line (sometimes called "perithyroid echogenic line" 14) Feb 26, 2024 · Methods: 103 consecutive patients with thyroid nodules at Zuckerkandl tubercle (ZTTN) were enrolled in this study from November 2017 to August 2021. The anatomical structures of the tubercle of Zuckerkandl (TZ) and the ligament of Berry (LB) have been known since the turn of the 20th century. The importance of the relationship between these structures and the thyroid gland was pointed out in the first half of the last century; nevertheless, it w … Aug 4, 2020 · Zuckerkandl’s tubercle (ZT) is considered a useful reference for locating the RLN during thyroid surgery. A recent case of ZT with Thyroid ! Thyroid anatomy ! Normal anatomic variants of the thyroid ! Ultrasound! Technical pitfalls ! Technical pearls KEY POINTS! Ultrasound is the best screening and diagnostic test for evaluation of the thyroid gland. 1938年,Gilmour Background: Zuckerkandl tubercle (ZT) is a lateral projection from the lateral thyroid lobe which is a constant landmark for finding the recurrent laryngeal nerve during thyroid surgery. Ultrasound is the best imaging modality for comprehensive evaluation of the thyroid. View Show abstract Drawings of 2 different thyroid glands as seen from a posterior point of view, with their relationships to the thyroid cartilage and a cut portion of the esophagus. Emil Zuckerkandl (1849- 1910) an Austrian anatomist described Zuckerkandl tubercle. Firstly, the middle thyroid vein sectioned in order to achive a good thyroid mobilization Jul 1, 2015 · The Tubercle of Zuckerkandl (TZ), which is the remant of the lateral thyroid process, is an important anatomic structure that serves as a reliable landmark for the recurrent laryngeal nerve in Zuckerkandl's tubercle (ZT) is the posterior extension of lateral lobes. [3] Although the structure is named after Zuckerkandl, it was discovered first by Otto Madelung in 1867 as the posterior horn of Zuckerkandl. Recognition of this feature of the thyroid gland at CT imaging can obviate the need for biopsy and avoid potential recurrent laryngeal nerve injury. Jul 15, 2023 · Part of thyroid gland extending posterior to the tracheoesophageal groove on axial image is known as Zuckerkandl tubercle. Methods 103 consecutive patients with thyroid nodules at Zuckerkandl tubercle (ZTTN) were enrolled in this study from November 2017 to August 2021. Search life-sciences literature (41,512,981 articles, preprints and more). It represents an embry - ologic remnant of the lateral cervical migration of thyroid cells, which later fail to involute and disappear. This pictorial review describes the anatomy of the thyroid gland and surrounding structures jÁ ouviu falar em tubÉrculo de zuckerkandl? neste vÍdeo vocÊ vai aprender sobre esta variaÇÃo anatÔmica tireoidiana e como nÃo cair na armadilha de confundi- Sep 17, 2020 · Zuckerkandl tubercles are the projections of normal thyroid tissue from the posterior or posteromedial margin of the thyroid gland that extend posterior to the tracheoesophageal groove. Selvarajan H.