title: Giant cell tumour of talus with osteosarcomatous transformation in a young male: a case report.
abstract: A case of osteosarcomatous transformation in a benign giant cell tumour is described. Spontaneous malignant transformation is rare in a giant cell tumour with only 17 cases reported in the literature till date. In addition, a giant cell tumour arising in the bones of the hands and feet is in itself a rarity. In this instance the lesion presented in the talus of the left ankle in a 13 year old male.
authors.affiliation: Department of Pathology, Lady Hardinge Medical College, New Delhi.
authors.forename: Kiran
authors.initials: K
authors.lastname: Agarwal
authors.forename: P
authors.initials: P
authors.lastname: Bajaj
authors.forename: Hema Malini
authors.initials: HM
authors.lastname: Aiyer
authors.forename: L K
authors.initials: LK
authors.lastname: Sood
mesh_terms: D000293:Adolescent; D001859:Bone Neoplasms / Q000473:pathology*; D002471:Cell Transformation, Neoplastic; D018212:Giant Cell Tumor of Bone / Q000473:pathology*; D006801:Humans; D008297:Male; D012516:Osteosarcoma / Q000473:pathology*; D013628:Talus