Case Report : A Case of Spontaneous Subdural Hematoma in a Patient with Autosomal Dominant Polycystic Kidney Disease

Purpose: Intracranial manifestations associated with autosomal dominant polycystic kidney disease (ADPKD) include arachnoid cysts, dolichoectasias, and subdural hematoma (SDH), although there are only a few reports of SDH in patients with ADPKD. We report a case of spontaneous SDH in a patient with ADPKD. A 33-year-old woman complained of severe nausea and vomiting for 10 days. She had suffered from a headache for several months. She was diagnosed with ADPKD and hypertension 6 years earlier, and the hypertension was well controlled. Her mental state was drowsy in the emergency room. Her blood pressure was 180/105 mmHg. There was no evidence of head trauma. Results of a peripheral blood CBC and blood chemistry analysis were within normal limits, as were the results of a blood coagulation test and urinalysis. She was pregnant and in the eighth week of gestation. Brain magnetic resonance imaging revealed SDH in the left lateral convexity and focally in the right lateral convexity, and brain herniation. Surgical drainage was performed through a burr hole, under general anesthesia. Intra-operatively, 62 mL of liquefied subdural hematoma were removed. She recovered completely without sequelae.