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What is Bizarre parosteal osteochondromatous proliferation and explain in detail?
Bizarre parosteal osteochondromatous proliferation (BPOP), also known as Noras lesion, is a type of non-cancerous bone tumor belonging to the group of cartilage tumors. It is generally seen in the tubular bones of the hands and feet, where it presents with a rapidly enlarging painless lump in a finger or toe.It is composed of bone, cartilage and spindle cells. Some people report previous trauma.Diagnosis is by medical imaging. Treatment is by surgical excision. Up to 50% recur after surgery.It is rare, and occurs more often in the 20s and 30s. Combined with subungal exostosis, it accounts for less than 5% of cartilage tumors. Males and females are affected equally