Introduction
Telangiectatic osteosarcoma (TOS) is an extremely rare subtype of
osteosarcoma (OS) with similar radiographic and histological features to
aneurysmal bone cyst (ABC).1 This may lead to a delay
or an error in diagnosis. We report a case of the TOS to illustrate the
diagnostic pitfalls and challenges in the management of this rare but
aggressive sarcoma.