Catalog
Atypical choroid plexus papilloma
No MMS code
Link to WHO Definition
Atypical choroid plexus papilloma – http://id.who.int/icd/entity/1640044333
Atypical papilloma of the choroid plexus is a very rare type of choroid plexus tumor that, contrary to papilloma of the choroid plexus, has an increased likelihood of progression to carcinoma and of recurrence. It displays brisk mitoses, nuclear pleomorphism, raised cellular density, obscurity of the papillary growth pattern, and cell necrosis.