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Lymphoepithelial cyst of the thyroid mimicking malignancy on sonography
Author(s) -
Kwak Jin Young,
Kim EunKyung,
Jung HaeKyoung,
Park HaiLin,
Kim Gwang Il
Publication year - 2006
Publication title -
journal of clinical ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.272
H-Index - 61
eISSN - 1097-0096
pISSN - 0091-2751
DOI - 10.1002/jcu.20221
Subject(s) - medicine , malignancy , thyroid , radiology , pathology , cyst , ultrasonography
A 52‐year‐old man presented with a palpable left neck mass that had been present for several months. A sonogram showed a 2‐cm hypoechoic mass with internal coarse macrocalcifications in the left lobe of the thyroid gland. CT revealed a well‐demarcated hypodense mass within the left thyroid lobe. A left thyroidectomy was performed at the patient's request because of the possibility of malignancy based on sonographic findings. Pathologically, the mass was composed of pseudostratified ciliated columnar epithelial cells simulating respiratory epithelium surrounded by florid lymphoid hyperplasia with germinal centers, consistent with an intrathyroidal lymphoepithelial cyst. © 2006 Wiley Periodicals, Inc. J Clin Ultrasound 34:298–300, 2006