Locally Aggressive Rib Hemangioma With Glomeruloid and Papillary Features - Expanding the Clinicopathologic spectrum of Bone Hemangiomas.

Intra-osseous hemangiomas are uncommon tumors that can present diagnostic and treatment dilemmas. Bone hemangiomas with papillary and glomeruloid growth patterns are exceptionally rare. We present an example of an intra-osseous hemangioma of the rib displaying aggressive features on both radiology and histology.