Chondroblastoma of the apex portion of petrousal bone

Abstract

Proton therapy can be particularly useful for skull base tumors frequently radioresistant and near very important structures. This case is the first one of a successful treatment by proton therapy for chondroblastoma recurrence.

Chondroblastoma of the Clivus: Case Report and Review

“…5,7,8 To date, only 20 extratemporal chondroblastoma of the craniofacial skeleton have been reported, typically presenting in the third decade of life with…”

Clival lesion incidentally discovered on cone-beam computed tomography: A case report and review of the literature

“…Petroclival synchondrosis is known to be involved most commonly. Chondroblastomas are epiphyseal tumors of long bones but can occur in the skull base, although cases have been reported involving the temporal bone and rarely, the sphenoid bone 13,14,15. These osteolytic lesions with sclerotic margins tend to expand and show internal calcifications.…”

Temporal bone chondroblastoma with secondary aneurysmal bone cyst presenting as an intracranial mass with clinical seizure activity

“…2 Although the true underlying etiology of intracranial chondroblastomas is unknown, these tumors are purported to arise from scattered foci of endochondral cartilage found within the temporal bone, consistent with the observation that most originate from the squamous por- tion. 3,4 The majority of the temporal bone develops through intramembranous ossification, and residual or persistent mesenchymal tissue within the temporal bone may, therefore, provide a protected environment for the continued growth of cartilaginous tissue from immature chondroblasts. 5 Temporal bone chondroblastomas have characteristic radiologic findings.…”

“…Our literature review found reports of seven male patients only. [1][2][3][4][5][6] We present a young woman with a primary intrinsic optic chiasm germinoma. To our knowledge, this is the first report of a woman with this disease.…”