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
All are true about Keloid EXCEPT: 
Select and explain. 
A. May be familial, B. Appears mostly on sternum, C. Subsides over time, D. Hyperkeratotic
C: Subsides over time
Answer: C: Subsides over time 
Explanation: 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.