Document Detail

Primary schwannoma of the thyroid gland: a case report.
MedLine Citation:
PMID:  21053556     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Primary schwannomas of the thyroid gland are extremely rare. These tumors most often present as asymptomatic solitary neck masses, slow growing and rarely malignant. Only 15 cases of intrathyroidal schwannoma have been reported in the literature, and few have been reported with fine needle aspiration (FNA) cytology.
CASE: A 14-year-old male patient presented with an asymptomatic left intrathyroidal mass. Radiologic studies revealed a circumscribed, marked hypoechoic mass with cystic portions in the left lobe of the thyroid gland on ultrasonography, pushing the trachea toward the right, visible side on computed tomography. FNA cytology of the mass exhibited a paucicellular smear composed of predominantly round to oval-shaped cells and occasional ovoid to spindle-shaped cells in loosely cohesive aggregates. On pathologic examination, the mass measured 60 x 45 x 30 mm and consisted of spindle-shaped cells arranged in fascicles in a whorling pattern in association with alternating hypercellular and hypocellular areas.
CONCLUSION: Awareness of and understanding of the cytopathologic and radiologic characteristics of this entity are helpful in preoperative evaluation and correct treatment of intrathyroidal schwannoma.
Jungsuk An; Young Lyun Oh; Jung Hee Shin; Han-Sin Jeong
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Acta cytologica     Volume:  54     ISSN:  0001-5547     ISO Abbreviation:  Acta Cytol.     Publication Date:    2010 Sep-Oct
Date Detail:
Created Date:  2010-11-08     Completed Date:  2010-12-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370307     Medline TA:  Acta Cytol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  857-62     Citation Subset:  IM    
Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Ilwon-dong, Gangnam-gu, Seoul 135-710, Republic of Korea.
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MeSH Terms
Biopsy, Fine-Needle
Neurilemmoma / pathology*,  radiography,  ultrasonography
Thyroid Gland / pathology*,  radiography,  ultrasonography
Thyroid Neoplasms / pathology*,  radiography,  ultrasonography
Tomography, X-Ray Computed

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