K. Ho

Post-radiation dedifferentiation of meningioma into osteosarcoma.

H. Krouwer, V. Shidham, V. Osipov, 2002, BMC Cancer.

Chemodectoma involving the cavernous sinus and semilunar ganglion.

J. Garancis, J. Hanna, G. Meyer, 1982, Human pathology.

Craniopharyngioma and "reactive" subependymoma of the third ventricle--a case report.

J. Caya, T. Tieu, G. Meyer, 1987, Clinical neuropathology.

Post-radiation dedifferentiation of meningioma into osteosarcoma.

H. Krouwer, V. Shidham, V. Osipov, 2002, BMC Cancer.