1C4 Cyst, Arachnoid (Case 1) PR 2 | Cyst - Arachnoid | DEVELOPMENTAL MALFORMATIONS

Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Cyst - Arachnoid | 1C4 Cyst, Arachnoid (Case 1) PR 2

Arachnoidal cell clusters are frequently immunoreactive for progesterone receptor (PR IHC)