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[bioontology-support] [BioPortal] Feedback from Michael Baudis

Michael Baudis mbaudis at
Tue Feb 2 05:16:35 PST 2016

(Maybe the message was truncated? It was ..)

Medulloblastomas <- Gliomas <- Neoplasm, benign

… which both are wrong (not glioma, not benign, most gliomas not benign).

Maybe there is a general error in sub-/up-classing ICD-O 3? The last of the codes’ 5 digits is special and designates “malignancy” (well, histologically). So 8500/0 is not a superset of 8500/3, but something different (true adenomas may not be carcinoma precursors etc.).

Anyway, a search leading from medulloblastomas (a set of PNET tumors) to benign gliomas is extremely misleading (biologically & medically).

How was this schema derived?

Glad to help if need be.


Prof. Dr. Michael Baudis
Institute of Molecular Life Sciences
University of Zurich
SIB | Swiss Institute of Bioinformatics
Winterthurerstrasse 190
CH-8057 Zurich

office     +41 44 635 34 86
email     mbaudis at

> On 02 Feb 2016, at 13:55, support at wrote:
> Name: Michael Baudis
> Email: mbaudis at
> Location:
> Feedback:
> Browsing SNMI, I came upon a classing of
> Medulloblastoma, NOS

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