This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Wilms Tumor, Subject name: Pathology
[{'content': "All are markers of Wilms' tumor except: \nSelect and explain. \nA. Desmin, B. Vimentin, C. TTF 1, D. Cytokeratin", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Wilms tumor Marker of Triphasic tumor. 3 components d/t abnormal mesenchymal differentiation : Blastemal Epithelial Stromal Various markers: Desmin - Muscle cell tumor Vimentin - Mesenchymal cell tumor marker Cytokeratin - Epithelial cell tumor marker TTF-1 (thyroid transcription factor): Lung cancer Thyroid cancer. Adenocarcinoma Small cell Ca of lung.', 'role': 'assistant'}]