Abstract
BackgroundCollision tumor is a very rare case of cerebral lesion. Approximately 50 reports of intracranial collision tumors were described in the literature. We present a case of supratentorial dural-based convexity collision tumor radiologically mimicking cavernous malformation and composed of cavernous malformation and meningioma.Case presentationThe case presents a 63-year-old female having MR findings such as hemorraged supratentorial dural-based mass with “popcorn” signs and hemosiderin deposits. The patient underwent craniotomy and evacuation of the subdural hematoma with resection of the tumor mass. Histologically the lesion had signs of a cavernoma and meningioma. MRI in a year after surgery did not reveale residual tumor mass or recurrence.ConclusionsCollision tumor is a very rare case. Preoperative diagnosis of a dural lesion is difficult and challenging. A neuroradiological differential diagnosis of similar cases needs focused attention.
Highlights
Collision tumor is a very rare case of cerebral lesion
Case presentation A 63-year-old woman admitted in our clinic with complaints of intensive headaches in right frontal region and right orbit lasting for 1 month before
Approximately 50 reports of intracranial collision tumors were described in the literature
Summary
A collision tumor is a very rare case. Preoperative diagnosis of a dural lesion is difficult and challenging. A neuroradiological differential diagnosis of similar cases needs focused attention
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