This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cells of epidermis, Subject name: Dental
[{'content': 'Characteristic skin lesion in Peutz -Jeghers syndrome is \nSelect and explain. \nA. Freckles, B. Lentigens, C. Adenoma sebaceum, D. Cafe -au- lait macules', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Peutz Jegher syndrome. Peutz-Jeghers syndrome- Autosomal dominant - Lentigens (increased melanocytes leading to hyperpigmented macules) - Site of lentigen - Perioral(lips),Buccal mucosa - Associated with GI polyp. (MC : Jejunal hamaoma)Freckles /ephelides* It is increased localized melanogenesis.* Normally seen in fairer skin colour (Skin type I,II)* Become dark on sun exposure Adenoma Sebaceum is seen in Tuberous sclerosis aka epiloia Cafe au lait macules is seen in Neurofibromatosis (dark color lesion over lighter skin).', 'role': 'assistant'}]