This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Skin
[{'content': 'Lisch nodule is seen in : \nSelect and explain. \nA. Von Reclinghausens disease, B. Lupus vulgaris, C. Leprosy, D. LGV', 'role': 'user'}, {'content': "Answer: A \nExplanation: A i.e. Von Recklinghausens disease Features of Von Recklinghausens ds. (neurofibromatosis) Cafe' au laitQ (brown macules) Axillary frecklesQ (diagnostic feature) Lisch nodule (iris hamaoma)Q Skin coloured to pink mauve compressible soft tissue tumor.", 'role': 'assistant'}]