top of page

Rosenthal fiber

Etymology:

Named after the German pathologist Werner Rosenthal who described these inclusions in 1898 as a “glossy formation of little bulbs or wavy sausages with one thick and one pointed end."

Definition:

A thick, elongated, worm-like or "corkscrew" eosinophilic (pink) bundle that is found on staining of brain tissue in the presence of long-standing gliosis, occasional tumors (i.e. pilocytic astrocytoma), and some metabolic disorders.

bottom of page