Osteochondroma Wheeless

Description: Osteochondroma / Osteocartilaginous Exostosis Discussion: - a developmental dysplasia of peripheral growth plate which forms a cartilage capped projection of bone found near metaphyses of long bones; - peripheral chondroblast grows outward from the metaphysis, acting as an ectopic growth plate, which ceases growth at skeletal maturation; - hence, there is an excrescene of trabecular bone capped by a thin zone of proliferating cartilage; - it is the most common benign bone tumor; - usually occurs in long bones, but may occur any bone that is preformed in cartilage