Metastatic Subdural Hematoma with Dural Metastasis Secondary to Poorly Differentiated Adenocarcinoma of Unknown Origin.

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Metastatic Subdural Hematoma with Dural Metastasis Secondary to Poorly Differentiated Adenocarcinoma of Unknown Origin.

World Neurosurg. 2019 Feb 16;:

Authors: Abunimer AM, Abou-Al-Shaar H, White TG, Li JY, Chalif DJ

Abstract
BACKGROUND: Metastatic subdural hematoma with dural metastasis in the setting of an underlying malignancy is a rare condition that is difficult to diagnose and associated with a poor prognosis. Knowledge of this rare entity is of a paramount importance to neurosurgeons as its diagnosis may affect the management plan and overall survival. Here, we report a rare case of atraumatic subdural hematoma with dural metastasis in a patient with poorly differentiated adenocarcinoma of unknown origin.
CASE REPORT: A 34-year-old male presented with an insidious onset of headaches, severe light headedness, progressive low back pain, and generalized weakness for 2 weeks. On imaging, he was found to have left-sided acute on chronic subdural hematoma with midline shift. The patient underwent surgical evacuation of the hematoma and the subdural membrane was biopsied. Histopathologic examination revealed metastatic poorly differentiated adenocarcinoma of unclear origin. A full metastatic workup was unremarkable.
CONCLUSION: Metastatic subdural hematoma with dural metastasis should be included in differential diagnosis of subdural hematoma, especially in patients with atypical presentation and in the presence of an underlying malignancy, as it may affect the management plan and overall survival.

PMID: 30780034 [PubMed - as supplied by publisher]

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