title: Soft tissue perineuriomas in children: report of three cases and review of the literature [corrected].
abstract: Perineuriomas (PN) are uncommon, slowly growing, usually benign tumors composed of well-differentiated perineural cells. Two variants are recognized: intraneural perineuriomas and soft tissue perineurioma, which includes a sclerosing subset of tumors. They are usually reported in the adult population. We present three cases of soft tissue perineuriomas in children. One was located in the deep soft tissue of the retroperitoneum in a 14-year-old girl, the second one in the left thumb of a 14-year-old boy, and the third one in the index finger of a 16-year-old boy. This report, which describes the clinicopathologic, immunohistochemical, and ultrastructural features of these tumors, should alert pathologists to the occurrence of perineuriomas in children. A review of the English language literature on perineuriomas in children is also included.
authors.affiliation: Department of Pathology, Hartford Hospital, 80 Seymour Street, Hartford, CT 06102, USA. fbalare@harthosp.org
authors.forename: Fabiola S
authors.initials: FS
authors.lastname: Balarezo
authors.forename: Richard C
authors.initials: RC
authors.lastname: Muller
authors.forename: Richard G
authors.initials: RG
authors.lastname: Weiss
authors.forename: Timothy
authors.initials: T
authors.lastname: Brown
authors.forename: David
authors.initials: D
authors.lastname: Knibbs
authors.forename: Vijay V
authors.initials: VV
authors.lastname: Joshi
mesh_terms: D000293:Adolescent; D050701:E2F6 Transcription Factor; D005260:Female; D006801:Humans; D007150:Immunohistochemistry; D008297:Male; D018317:Nerve Sheath Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D010524:Peripheral Nervous System Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D012097:Repressor Proteins / Q000378:metabolism; D009418:S100 Proteins / Q000378:metabolism; D027161:Satellite Cells, Perineuronal / Q000473:pathology* / Q000648:ultrastructure; D012983:Soft Tissue Neoplasms / Q000473:pathology* / Q000648:ultrastructure; D014157:Transcription Factors / Q000378:metabolism
chemical_list: D050701:E2F6 Transcription Factor; C491744:E2F6 protein, human; D012097:Repressor Proteins; D009418:S100 Proteins; D014157:Transcription Factors