Intracranial malignant melanomas are commonly secondarily metastatic from the other primary lesion but intracranial primary malignant melanomas are very rare in its incidence, and its clinical course and prognosis are very often different from the met...
Intracranial malignant melanomas are commonly secondarily metastatic from the other primary lesion but intracranial primary malignant melanomas are very rare in its incidence, and its clinical course and prognosis are very often different from the metastatic (secondary)lesion.
The 34 years old female was admitted to the our hospital because of headache. vomiting and visual disturbance for about 1 month. Neurological examination revealed only papilledema. Brain CT demonstrated the heterogenous high density lesion with peritumoral low density in the left frontal lobe which was enhanced homogenously by contrast media. The images of their CT was mimicking the meningioma. We performed the craniotomy for total removal of tumor. The pathological findings revealed a malignant melanoma. We could not find the other melanomas in skin. eyes. GI system, lung etc and she was survived for 1 year and 9 months now. Following review of literatures we report the rare intracranial primary malignant melanoma.