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: Dental
[{'content': 'A genodermal disease that can cause skin malignancy are – \nSelect and explain. \nA. Xeroderma pigmentosa, B. Neurofibromatosis, C. Actinic keratosis, D. Porphyria cutanea tarda', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Xeroderma pigmentosa is a genodemaatosis which can cause skin malignancy.\nNeurofibromatosis (a genodermatosis) also predisposes to malignancy, but it is extra-cutaneous malignancy (not skin malignancy).', 'role': 'assistant'}]