sclerosing perineurioma

sclerosing perineurioma

An uncommon benign tumour of the hand which has a firm, fibrous consistency, is well-circumscribed, whitish and averages 2.5 cm in maximum dimension.
References in periodicals archive ?
Sclerosing perineurioma is an extraneural soft tissue perineurioma variant first described by Fetsch and Miettinen, (6) who reported 19 tumors, all arising in the hands, mainly of young male adults.
The differential diagnosis for sclerosing perineurioma mainly includes fibroma of tendon sheath, epithelioid glomus tumor, epithelioid sarcoma (Table), and highly collagenized examples of giant cell tumor of tendon sheath.
According to some authors, perineurioma variants (ESTP, sclerosing perineurioma, reticular perineurioma, and intraneural perineurioma) can be viewed as part of a spectrum of different presentations of the same entity.
Pereira, MD, from the Laboratorio Salomao e Zoppi, Sao Paulo, Brazil, for kindly providing some of the sclerosing perineurioma photomicrographs.
Since their expression has already been detected in perineurial cells of pigs, (18) in meningiomas, (19) in sclerosing perineuriomas, (6) and in reticular perineuriomas, (11) the expression of cytokeratins in at least a subset of ESTP would not be surprising.