Tuesday, May 31, 2016

Choroid plexus hemorrhage mimicking an intraventricular neoplasm in a newborn

Imaging yielded a differential diagnosis of embryonal tumor, ependymoma, and hemorrhagic choroid plexus papilloma. Histomorphology shows acute hemorrhage and hemosiderin-stained choroid plexus with a rounded, hobnail-shaped epithelial surface. The rounded surface distinguishes this normal choroid plexus from the epithelium of a choroid plexus papilloma, which has a flat surface.

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