1C3 Cyst, Arachnoid (Case 1) PR 4 | Cyst - Arachnoid | DEVELOPMENTAL MALFORMATIONS

Washington University Experience | DEVELOPMENTAL MALFORMATIONS | Cyst - Arachnoid | 1C3 Cyst, Arachnoid (Case 1) PR 4

1C3,4 Arachnoidal cell clusters are frequently immunoreactive for the progesterone receptor (PR IHC)