Surgical Pathology Criteria

Mucinous Tubular and Spindle Cell Carcinoma of the Kidney

Supplemental Studies

Immunohistology

Low MW keratin pos
CK7 pos
AMACR/racemase/P504S pos
Synaptophysin, chromogranin pos*
Ulex, vimentin variable
CD10

0-50%

High MW keratin neg
CK20 neg
CD117/KIT neg
*Limited numbers tested

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