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Endocr Pathol. 2009 Summer;20(2):137-40. doi: 10.1007/s12022-009-9071-5.

The cytology of a thyroid granular cell tumor.

Author information

1
Department of Anatomic Pathology, Buddhist Dalin Tzu Chi General Hospital, 2, Min-Sheng Rd Dalin Town, Chiayi, Taiwan.

Abstract

Granular cell tumor (GCT) of the thyroid is rare. Before this report, only four cases of thyroid GCT have been reported, none of which presented a cytopathological examination. In this paper, we report the fine needle aspiration cytology and pathological analysis of a thyroid GCT from a 12-year-old girl who presented with a painless neck mass. The tumor cells were single, in syncytial clusters, or pseudofollicles, contained small round, oval, or spindle nuclei, indistinct nucleoli, and a large amount of grayish, granular fragile cytoplasm. The background contained granular debris and naked nuclei. A differential diagnosis of thyroid GCT with more frequent thyroid lesions containing cytoplasmic granules, including Hurthle cells, macrophages, follicular cells, and cells of black thyroid syndrome, was also performed.

PMID:
19352601
DOI:
10.1007/s12022-009-9071-5
[Indexed for MEDLINE]

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