Dual Thyroid Ectopy, Sublingual and Pretracheal
نویسندگان
چکیده
Ectopic thyroid tissue is a rare congenital anomaly with extremely rare occurrence of dual ectopy. Authors present a case of a 13 year-old girl with anterior neck swelling since one year. Contrast enhanced CT demonstrated absence of normally located, bilobed thyroid gland, Instead two foci of ectopic thyroid tissue were seen in the lingual and pretracheal region. Imaging workup is of great value in diagnosing this rare entity.
منابع مشابه
Sublingual thyroid ectopy: similarities and differences with Kallmann syndrome
Permanent primary congenital hypothyroidism (CH), the commonest cause of preventable intellectual disability, is due to defects in the embryonic development of the thyroid in the vast majority of cases. These defects are collectively called thyroid dysgenesis. The thyroid may be absent (athyreosis) but, more commonly, a sublingual thyroid ectopy without lateral lobes, is the only thyroid tissue...
متن کاملIncidental Finding of Dual Ectopic Thyroid on Computed Tomography Angiography
The presence of simultaneous two ectopic foci of thyroid tissue (dual ectopic thyroid) is rare, and few cases have been reported in the literature. The ectopic thyroid tissue is an extremely uncommon embryological aberration due to the alterations occurring during the embryological development with incomplete migration of thyroid precursors. Commonly ectopic thyroid tissue is a midline structur...
متن کاملRadionuclide Imaging of Dual Ectopic Thyroid in a Preadolescent Girl
Ectopic thyroid is a congenital defect in which the thyroid gland is located away from the usual pretracheal location. Dual ectopic thyroid, which consists of two foci of thyroid tissue, is very rare. In this case dual ectopic thyroid with subclinical hypothyroidism in a 10-year-old-girl was reported. The absence of the thyroid gland in the pretracheal location was revealed by ultrasonography (...
متن کاملSubmental thyroid ectopy might cause subclinical hypothyroidism in early childhood
OBJECTIVE Thyroid ectopy is a rare condition resulting from abnormal embryologic development and migration of the gland. Sublingual is the most common thyroid ectopy; all other ectopic thyroid locations occur very rare. There are no reports in the literature that describe the clinical course of patients with congenital hypothyroidism due to thyroid ectopy. METHODS AND RESULTS We present a chi...
متن کاملDual ectopic thyroid presenting with an anterior neck mass
A 34-year-old woman presented with a 2-year history of anterior midline neck swelling. The physical examination revealed a soft, mobile, nontender, 2 × 1 cm, anterior midline neck mass. Ultrasonography showed a heterogeneously isoechoic mass (2.23 × 1.18 cm) in the subhyoid region, while a thyroid gland was not seen in the normal position (Fig. 1A). A 99mTc-pertechnetate scan demonstrated two d...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2015