This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Skin
[{'content': 'All are true about Keloid EXCEPT: \nSelect and explain. \nA. May be familial, B. Appears mostly on sternum, C. Subsides over time, D. Hyperkeratotic', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans: (c) Subsides over timeRef: Manipal Manual of Surgery 4th ed. / 9* Keloids can be remembered as uscars that dont know when to stop"* A keloid, sometimes referred to as a keloid scar, is a tough heaped-up scar that rises quite abruptly above the rest of the skin.* It can appear few day to few weeks after surgery.* It usually has a smooth top and a pink or purple color. Keloids are irregularly shaped and tend to enlarge progressively.* Unlike scars, keloids do not subside over time. Instead it spreads and includes normal skin also.* Keloid scars are made of dense collagen fibres.* Recurrence is possible after local excision.* It can be familial.* Most common site of keloid: sternum.* It can be treated by intrakeloid injection of Triamcinolone.* Best cure of keloid is achieved by excision and radiotherapy.', 'role': 'assistant'}]