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Produced: 10/06/2025 5:12 PM
Question 20120034
Inquiry Details
References:
WHO Class CNS Tumors, 176. 2007
Question:
Primary site--Brain and CNS: How is the primary site to be coded if a clinician used an MRI to diagnose a left cerebellar venous angioma? See Discussion.
Discussion:
According to the WHO Classification of Brain/CNS Tumors, code 9122/0 (venous angioma) does not appear under tumors of the cerebellum (C716).
Answer:
Venous angiomas (9122/0) are not reportable wherever they arise. The primary site for venous angioma arising in the cerebellum is C490. The combination of 9122/0 and C490 is not reportable. Venous angioma is a venous abnormality, currently referred to as a developmental venous anomaly (DVA).
Cancer Site Category:
Brain and CNS
Data Item Category:
Primary site
Other Category:
N/A
Year:
2012
