Michael D. Chan Archives

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Approach to a patient with brain metastasis

Introduction Brain metastases are a frequent occurrence in patients with solid malignancies. Up to 40% of patients with solid tumors will develop brain metastases at some point in their disease course, and 170,000 patients are diagnosed with brain metastases each…

Benign Brain Tumors: Meningiomas and Vestibular Schwannomas

Meningiomas Incidence Meningiomas comprise approximately 35% of all primary intracranial neoplasms, rendering them the single most frequently reported primary intracranial tumor. Because of the significant longevity associated with this diagnosis, the estimated prevalence of 97.5 per 100,000 is significantly higher…