Journal
LANGENBECKS ARCHIVES OF SURGERY
Volume 385, Issue 8, Pages 521-525Publisher
SPRINGER-VERLAG
DOI: 10.1007/s004230000167
Keywords
solitary fibrous tumour; thigh; immunohistochemistry; comparative genomic hybridisation
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Solitary fibrous tumours (SFTs) are rare and usually benign neoplasms of mesenchymal origin that are often found in the visceral pleura (fibrous pleural tumour, FPT) or other serosal surfaces. They have also been found in soft tissues. We report the case of an SFT localised in the thigh of an 86-year-old woman. The tumour specimen was examined morphologically, immunohistochemically and molecular genetically, using comparative genomic hybridisation (CGH). The latter detects unbalanced chromosomal alterations in human neoplasms by competitive nucleic acid hybridisation and consecutive computer image analysis. The tumour consists of fibroblast-like cells, arranged in a typical patternless pattern. Immunohistochemically, the tumour stained positively for vimentin, CD34, CD99, and focally for actin and desmin. No reaction occurred with keratin or S100 protein antibodies. CGH detected a single loss on chromosome 13q.
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