A case of fatal intracerebral hemorrhage due to rupture of a neoplastic aneurysm in a 68-year-old man with a history of bronchogenic carcinoma is reported. Intracranial neoplastic aneurysms resulting from metastatic tumor embolization of the cerebral vessels are more often associated with cardiac myxoma and choriocarcinoma. Of the 23 reported cases, eight ruptured and caused intracerebral or subarachnoid hemorrhage. Like mycotic aneurysm, they are small and located in the peripheral branches of cerebral artery, and may easily be obscured by hemorrhage when ruptured.

Surgical grand rounds. Stroke in a 19 year-old man.

Neoplastic aneurysm and intracranial hemorrhage

✓ A 56-year-old man with lung cancer developed a massive intracerebral hematoma resulting from rupture of a small neoplastic aneurysm in a cortical branch of the left posterior temporal artery. Histologically, undifferentiated squamous cells formed an embolus in the aneurysm and destroyed the aneurysm wall. No tumor mass was evident around the aneurysm.

Neoplastic cerebral aneurysm from lung cancer: Case report

Cardiac myxoma is a slowly growing benign intracavitary neoplasm most frequently occurring in the left atrium. Embolization from this friable, supposedly benign tumor may cause a variety of neurologic symptoms and signs. A case of left atrial myxoma with cerebral infarction and a monstrous aneurysm of the left middle cerebral artery is reported. A 54-year-old woman was admitted because of fever, right hemiparesis, and dysphasia. M-mode and cross-sectional echocardiograms revealed a large mass in the left atrial cavity. Successful surgical removal of the tumor was accomplished by open heart surgery. This patient was transferred to the department of neurology and left carotid angiography was done, and a monstrous aneurysm of the left middle cerebral artery was found. She was therefore transferred to the department of neurosurgery. The neck of this monstrous aneurysm was partially clipped and the residual parts were encased with many small gauzes, and the aneurysm was partially cut for pathological examination, but no infiltration of the myxomatous tissue was seen. Sequential computed tomography showed the growing process of this aneurysm.

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Surgical grand rounds. Stroke in a 19 year-old man.

Citations

Neoplastic aneurysm and intracranial hemorrhage

Neoplastic cerebral aneurysm from lung cancer: Case report

Left A trial Myxoma with Cerebral Aneurysm

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