title: [Juvenile aponeurotic (calcifying) fibroma].
abstract: A 10-year old boy suffered from a chondroid tumour in plantar part of the 3rd metatarsophalangeal joint. Alternating fibrous and chondroid structures were found by microscopy as well as collagen dystrophy with calcification. Giant cell reaction around connective tissue necrosis reminded of rheumatoid structure. Combined lesions described as characteristic for juvenile aponeurotic fibroma.
mesh_terms: D002114:Calcinosis / Q000473:pathology*; D002648:Child; D005350:Fibroma / Q000473:pathology*; D005534:Foot Diseases / Q000473:pathology*; D006801:Humans; D008297:Male; D008683:Metatarsophalangeal Joint
vernacular_title: Juvenilní aponeurotický (kalcifikující) fibrom.