SEER Inquiry System - Question 20170073 Details

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Produced: 12/14/2025 6:37 PM

Question 20170073

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Inquiry Details

References:

#1: WHO Class CNS Tumors, 177. 4th edition

#2: ICD-O-3

Question:

Histology/Behavior--Brain and CNS: How are histology and behavior coded for a diagnosis of pineal anlage tumor in an infant? See Discussion.

Discussion:

Patient is an 11 month old with brain biopsy showing final diagnosis of pineal anlage tumor. How are behavior and histology coded for this rare tumor?

Answer:

Assign 9362/3 for pineal anlage tumors. According to the WHO Classification of Tumors of the Central Nervous System, 4th edition, pineal anlage tumors, while extremely rare, share features with pineoblastoma. Although they have a distinct morphology, there is no other ICD-O-3 code for pineal anlage tumors.

Cancer Site Category:

Brain and CNS

Data Item Category:

Behavior, Histology

Other Category:

N/A

Year:

2017