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KMID : 0357920130470020158
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Korean Journal of Pathology
2013 Volume.47 No. 2 p.158 ~ p.162
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A Solitary Fibrous Tumor with Giant Cells in the Lacrimal Gland: A Case Study
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Son Da-Hye
Yoo Su-Hyun
Sa Ho-Seok
Cho Kyung-Ja
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Abstract
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Orbital solitary fibrous tumor (SFT) has recently been proposed as the encompassing terminology for hemangiopericytoma, giant cell angiofibroma (GCAF), and fibrous histiocytoma of the orbit. The lacrimal gland is a very rare location for both SFT and GCAF. A 39-year-old man presented with a painless left upper eyelid mass. An orbital computed tomography scan identified a 1.1 cmsized well-defined nodule located in the left lacrimal gland. He underwent a mass excision. Histopathologic examination showed a proliferation of relatively uniform spindle cells with a patternless or focally storiform pattern. Dilated vessels were prominent, but angiectoid spaces lined with giant cells were absent. Floret-type giant cells were mostly scattered in the periphery. The tumor was immunoreactive for CD34 and CD99, but negative for smooth muscle actin and S-100 protein. This is the first Korean case of SFT of the lacrimal gland with overlapping features of GCAF, suggesting a close relationship between the two entities.
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KEYWORD
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Solitary fibrous tumors, Giant cells, Lacrimal apparatus, Orbit
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