Submandibular ectopic thyroid with normally located thyroid gland

Yılmaz, Mahmut Sinan

doi:10.5606/kbbihtisas.2014.41713

Cited by 10 publications

(7 citation statements)

References 12 publications

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“…The rate of malignant transformation in ectopic thyroid is no greater than in normally placed thyroid. [ 10 ] In our case, FNAC both from the lesion and orthotopic gland as well as postsurgical excision of the ectopic gland excluded metastatic thyroid cancer or malignant change.…”

Section: Discussionmentioning

confidence: 67%

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Ectopic goitrous submandibular thyroid with goitrous orthotopic thyroid gland

Bhardwaj

Mani

Dixit

et al. 2016

Indian Journal of Radiology and Imaging

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Ectopic thyroid is a rare developmental anomaly with lingual thyroid accounting for majority of the cases. The presence of ectopic thyroid tissue lateral to the midline is very rare, and very few cases located in the submandibular region have been reported. The simultaneous finding of submandibular ectopic thyroid tissue and a functional orthotopic thyroid gland is even rarer. In the differential diagnosis of an ectopic submandibular thyroid, it is fundamental to exclude a metastasis from well-differentiated thyroid cancer, even when primary thyroid carcinoma is not demonstrable.

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Section: Discussionmentioning

confidence: 67%

“…To the best of our knowledge, only eight cases of simultaneous submandibular ectopic thyroid tissue and a functional orthotopic thyroid gland have been reported in the literature. [ 10 11 12 13 14 15 16 17 ]…”

Section: Discussionmentioning

confidence: 99%

Ectopic goitrous submandibular thyroid with goitrous orthotopic thyroid gland

Bhardwaj

Mani

Dixit

et al. 2016

Indian Journal of Radiology and Imaging

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“…Lateral ektopik tiroid oluşumunda diğer olası nedenler ise normal yerleşimli tiroid dokusunun cerrahi sırasında implantasyonu ve tiroid karsinomunun metastazı yoluyla olduğu düşünülmektedir. [8,9] Olgumuzda submandibüler bölgedeki tiroid dokusunun, normal yerleşimli tiroid dokusu ile bağlantılı olmaması nedeniyle ektopik olduğunu düşünmekteyiz. Olgumuzda daha önce boyun ile ilgili herhangi bir cerrahi öykünün bulunmaması ve histopatolojik olarak alınan örneğin malign metastaz olmaması nedeniyle embriyolojik olarak ektopik gelişim olduğu düşünüldü.…”

Section: Discussionunclassified

“…Literatür taramasında submandibüler bölge yerleşimli ektopik tiroid dokusunun ağrısız kitle şeklinde semptom oluşturduğu, çoğunlukla sağ submandibüler bölge yerleşimli olduğu ve ameliyat öncesi ince iğne aspirasyon biyopsisi sonucunun histopatolojik olarak çoğunlukla benign lezyon şeklinde raporlandığı bildirilmiştir. [6,8,[10][11][12][13][14] Olgumuzun ağrısız şişlik şikayeti ile başvurması, kitlenin sağ submandibüler bölge yerleşimli olması ve ameliyat öncesi histopatolojik değerlendirmenin malignite açısından negatif olarak raporlanması literatürle uyumlu bulundu.…”

Section: Discussionunclassified

Ectopic thyroid tissue localized in submandibular region

Düzer

Akyiğit²,

Sakallıoğlu³

et al. 2016

Kulak Burun Bogaz Ihtis Derg

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An ectopic thyroid tissue is often localized in the midline between the foramen caecum and mediastinum, while it is rarely laterally localized. Submandibular location of thyroid tissue is extremely rare. In this article, we report a 56-year-old female case admitted with a painless, non-tender, and firm mass in the right submandibular region. The patient was operated. The mass was detected to be separate from the right lobe of the thyroid. The histopathological examination result was reported as an ectopic thyroid tissue. Ectopic thyroid tissues should be considered in the differential diagnosis of submandibular masses.

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“…Ectopic thyroid gland can be seen in any localization from the base of the tongue to the mediastinum in the midline on the neck [ 4 , 5 ]. Normally, migration of the thyroid gland is from the foramen cecum to the pretracheal position [ 6 ]. In addition to normal migration pathway of the thyroid gland, ectopic thyroid tissue can be seen even in mediastinal, intracardiac, gastrointestinal, and intraperitoneal localizations [ 2 , 4 , 5 ].…”

Section: Discussionmentioning

confidence: 99%

Submandibular Lateral Ectopic Thyroid Tissue: Ultrasonography, Computed Tomography, and Scintigraphic Findings

Çeliker

Turan³

et al. 2015

Case Reports in Otolaryngology

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Ectopic thyroid can be encountered anywhere between the base of tongue and pretracheal region. The most common form is euthyroid neck mass. Herein, we aimed to present the findings of a female case with ectopic thyroid tissue localized in the left submandibular region. A 44-year-old female patient, who underwent bilateral subtotal thyroidectomy four years ago with the diagnosis of multinodular goiter, was admitted to our hospital due to a mass localized in the left submandibular area that gradually increased in the last six months. Neck ultrasonography, contrast-enhanced computed tomography, and scintigraphic examination were performed on the patient. On thyroid scintigraphy with Tc-99m pertechnetate, thyroid tissue activity uptake showing massive radioactivity was observed in the normal localization of the thyroid gland and in the submandibular localization. The focus in the submandibular region was excised. Pathological examination of the specimen showed normal thyroid follicle cells with no signs of malignancy. The submandibular mass is a rarely encountered lateral ectopic thyroid tissue. Accordingly, ectopic thyroid tissue should also be considered in the differential diagnosis of masses in the submandibular region.

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Submandibular ectopic thyroid with normally located thyroid gland

Cited by 10 publications

References 12 publications

Ectopic goitrous submandibular thyroid with goitrous orthotopic thyroid gland

Ectopic goitrous submandibular thyroid with goitrous orthotopic thyroid gland

Ectopic thyroid tissue localized in submandibular region

Submandibular Lateral Ectopic Thyroid Tissue: Ultrasonography, Computed Tomography, and Scintigraphic Findings

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