keloid MONDO:0005348 An irregularly shaped, elevated mark on the skin caused by deposits of excessive amounts of collagen during wound healing. It extends beyond the original boundaries of the wound and may enlarge progressively. icd11.foundation:2057714006 EFO:0004212 NCIT:C3145 SCTID:33659008 UMLS:C0022548 ICD9:701.4 MESH:D007627 MEDGEN:7197 reactive cutaneous fibrous lesion