Fibroblastic type osteosarcoma of the ulna: a case report of a tumor in a rare location with atypical imaging findings.
The ulna is a rare site of origin for osteosarcoma, and purely osteolytic osteosarcomas are uncommonly noted on conventional radiographs. We present a patient with a lytic lesion of the distal ulna for which imaging findings suggested an aneurysmal bone cyst. The lesion was histologically confirmed to be a fibroblastic osteosarcoma.
Joo
Ijin
I
Department of Radiology and Institute of Radiation Medicine, Seoul National University College of Medicine, Seoul, Korea.
Choi
Jung Ah
JA
Chung
Jin Haeng
JH
Oh
Joo Han
JH
Hong
Sung Hwan
SH
Kang
Heung Sik
HS
D000328:Adult; D001859:Bone Neoplasms / Q000175:diagnosis* / Q000473:pathology; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D012516:Osteosarcoma / Q000175:diagnosis* / Q000473:pathology; D014057:Tomography, X-Ray Computed; D014457:Ulna