CT scan in May 2004 identified a lesion in the cerebral meninges. Biopsy of the lesion diagnosed cholesteatoma.
Primary site: C70.0 cerebral meninges
Histology: Not applicable
There is no histology code for cholesteatoma in ICD-O-3. Non-malignant intracranial and CNS reporting requirements include any primary tumor histology with a code defined in ICD-O-3.