Case ID: 405

Publication date: 17 Sep, 2019

Consensus grade: Thyroid-like follicular RCC

User Diagnosis Difficulty Comment
Pathologist 1 Thyroid-like follicular RCC Typical
Pathologist 2 Thyroid-like follicular RCC Typical
Pathologist 3 oncocytoma Not typical

Could be thyroid-like follicular, but nuclei too uniform

Pathologist 4 Thyroid-like follicular RCC Not typical
Pathologist 5 Thyroid-like follicular RCC Not typical
Pathologist 6 Thyroid-like follicular RCC Typical
Pathologist 7 Renal cell carcinoma, unclassified Not typical

favor clear cell

Pathologist 8 Thyroid-like follicular RCC Typical
Pathologist 9 Thyroid-like follicular RCC Typical
Pathologist 10 Thyroid-like follicular RCC Typical
Pathologist 11 Thyroid-like follicular RCC Typical
Pathologist 12 Other Not typical
Pathologist 13 Thyroid-like follicular RCC Typical
Pathologist 14 Thyroid-like follicular RCC Not typical
Pathologist 15 oncocytoma Typical
Pathologist 16 Thyroid-like follicular RCC Not typical
Pathologist 17 Clear cell RCC Not typical
Pathologist 18 Other Not typical

Could be "thyroid-like" if other possibilities excluded

Pathologist 19 Thyroid-like follicular RCC Typical
Pathologist 20 Thyroid-like follicular RCC Typical
Pathologist 21 Thyroid-like follicular RCC Typical
Pathologist 22 Thyroid-like follicular RCC Typical


Case description (by case creator):

27 y.o. female with a 2.7 cm mass in her left kidney. She underwent a partial nephrectomy.