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Ectopic Intrathyroidal Thymic Tissue in an Adult Patient: A Case Report and Review of The Literature Publisher Pubmed



Moradian S1 ; Delazar S1 ; Yazdani F2 ; Mohammadzadeh M3
Authors
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Authors Affiliations
  1. 1. Department of Radiology, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of pathology, Amiralam Hospital, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Division of Neuroradiology and Head & Neck Imaging, Department of Radiology, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Medical Case Reports Published:2022


Abstract

Background: Ectopic intrathyroidal thymic tissue is a rare diagnosis, specifically in adults. Such ectopic tissue is usually misdiagnosed as benign or malignant thyroid lesions and is mainly investigated by ultrasonography and pathologic examination. Case presentation: We present the case of an adult 31-year-old Persian female patient with a cervical mass and no other significant medical history. The lesion had hypo- to isoechoic features on sonographic imaging, and needle aspiration examination revealed lymphoid cells suspicious of lymphoid malignancies. However, pathologic examination after resection of the lesion showed normal thymic tissue. Conclusions: The rare entity of ectopic thymic tissue within the thyroid gland in adult patients requires meticulous examination by clinicians, radiologists, and pathologists to diagnose the condition with high accuracy and plan appropriate management. © 2022, The Author(s).