Case ID: 550

Publication date: 11 Jan, 2016

Consensus grade: I would not grade this tumor

User Diagnosis Difficulty Comment
Pathologist 1 I would not grade this tumor Typical
Pathologist 2 I would not grade this tumor Typical
Pathologist 3 I would not grade this tumor Typical
Pathologist 4 I would not grade this tumor Typical
Pathologist 5 I would not grade this tumor Typical
Pathologist 6 I would not grade this tumor Typical
Pathologist 7 I would not grade this tumor Typical

AMLEC

Pathologist 8 I would not grade this tumor Typical
Pathologist 9 I would not grade this tumor Typical
Pathologist 10 I would not grade this tumor Typical
Pathologist 11 I would not grade this tumor Typical
Pathologist 12 I would not grade this tumor Typical
Pathologist 13 I would not grade this tumor Typical
Pathologist 14 I would not grade this tumor Typical
Pathologist 15 I would not grade this tumor Typical

AML with epith cyst

Pathologist 16 I would not grade this tumor Typical

AML



Case description (by case creator):

Renal angiomyolipoma with epithelial cyst (AMLEC). The spindle cells surrounding the central cyst are positive for HMB45 and Melan A. The lesion also contains scattered, thick-walled blood vessels and microscopic areas of admixed fat. The central cyst is lined by a single layer of bland cuboidal/hobnail epithelial cells.