
This is a transverse section of the brainstem and cerebellum at the level of the upper pons. Section shows area of hemorrhage in the posterior tectal portion of the pons. The hemorrhage is irregular and is in continuity with the upper portion of the fourth ventricle and the lower portion of the aqueduct. The area of hemorrhage is also in the midline of the pons. Cerebellar folia are swollen and the sulci are effaced by swelling. Diagnosis: Secondary pontine (herniation) hemorrhage (Duret hemorrhage).