Brainstem hemorrhage in descending transtentorial herniation (Duret hemorrhage).

Objectives: To review clinical and radiological findings in patients with Duret hemorrhages and to discuss the pathophysiology and differential diagnosis of these lesions.

Patients And Methods: We reviewed the case records of four patients with Duret hemorrhages who had been admitted to the neurological intensive care unit with supratentorial mass lesions.

Results: Descending transtentorial and subfalcine herniations were present in all cases.