Exercise #9
MRI identified a pinealoma on February 20, 2004. The patient had gamma knife radiosurgery on March 15, 2004.
Reportability
Show Answer
Reportable: Yes
Primary site: C75.3 pineal gland
Histology: 9360/19 pinealoma
Pinealoma is a non-malignant tumor. The site is coded to the pineal gland. The reference is ICD-O-3, page 32, Rule H - "Use the topography code provided when a topographic site is not stated in the diagnosis. This topography code should be disregarded if the tumor is known to arise at another site."