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. 2024 Jan 20;484(5):789–798. doi: 10.1007/s00428-023-03730-3

Table 3.

Interpretation of Menin and p27 immunohistochemistry

Menin p27
Bern 1/4 (25.0%) evaluable Loss 2/4 (50.0) reduced
1/4 (25.0%) partially evaluable Loss 2/4 (50.0) absence of expression
2/4 (50.0%) non-evaluable
Vienna 1/21 (4.8%) evaluable Loss 8/21 retained (38.1%)
6/21 (28.6%) partially evaluable 6/6 loss (100.0%) 9/21 reduced (42.9%)
14/21 (66.7%) non-evaluable 4/21 absence of expression (19.0%)