This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disease of Infancy & Childhood, Subject name: Pathology
Wilms tumor has the following markers positive except? 
Select and explain. 
A. Desmin, B. Vimentin, C. TTF-1, D. Cytokeratin
C: TTF-1
Answer: C: TTF-1 
Explanation: Ans. (c) TTF-1Wilm's tumor being mixed tumor has Desmin, Vimentin and Cytokeratin positive. Thyroid transcription factor-1 (TTF-1) is a sensitive marker for pulmonary and thyroid adenocarcinomas