Osteochondroma

Osteochondroma
An abnormal, solitary, benign growth of bone and cartilage, typically at the end of a long bone. Osteochondromas are usually discovered in persons 15 to 25 years of age. They are typically detected when the area is injured, or when they become large. It can be a hereditary condition, in which case it may be called hereditary multiple exostoses (HMS).
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A benign cartilaginous neoplasm that consists of a pedicle of normal bone (protruding from the cortex) covered with a rim of proliferating cartilage cells; may originate from any bone that is preformed in cartilage, but is most frequent near the ends of long bones, usually in patients 10–25 years of age; the lesion is frequently not noticed, unless it is traumatized or of large size; multiple osteochondromas are inherited and referred to as hereditary multiple exostoses. SYN: solitary osteocartilaginous exostosis. [osteo- + G. chondros, cartilage, + -oma, tumor]

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os·teo·chon·dro·ma -.kän-'drō-mə n, pl -mas also -ma·ta -mət-ə a benign tumor containing both bone and cartilage and usu. occurring near the end of a long bone

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n. (pl. osteochondromata)
a bone tumour composed of cartilage-forming cells. It appears as a painless mass, usually at the end of a long bone, and is most common between the ages of 10 and 25. As a small proportion of these tumours become malignant if untreated, they are excised.

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os·teo·chon·dro·ma (os″te-o-kon-droґmə) [osteo- + chondroma] a benign tumor consisting of projecting adult bone capped by cartilage projecting from the lateral contours of endochondral bones. Called also chondrosteoma, osteocartilaginous exostosis, and osteoenchondroma.

Medical dictionary. 2011.

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  • Osteochondroma — Classification and external resources Lateral radiograph of the knee demonstrating ossification in the peritendinous tissues in a patient with osteochondroma. ICD 10 C40 C41 …   Wikipedia

  • osteochondroma — ▪ medicine also called  exostosis        solitary benign tumour that consists partly of cartilage and partly of bone. Osteochondromas are common and may develop spontaneously following trauma or may have a hereditary basis. No treatment is… …   Universalium

  • osteochondroma — noun A benign tumor consisting of bone or cartilage …   Wiktionary

  • osteochondroma — n. benign tumor of the bone or cartilage (Medicine) …   English contemporary dictionary

  • osteochondroma — a bony protuberance covered by a cap of cartilage arising usually from the end of a long bone, most commonly around the knee or shoulder. It is due to overgrowth of cartilage at the edge of the physis (growth plate) of growing bones. The… …   The new mediacal dictionary

  • osteochondroma — noun benign tumor containing both bone and cartilage; usually occurs near the end of a long bone • Hypernyms: ↑benign tumor, ↑benign tumour, ↑nonmalignant tumor, ↑nonmalignant tumour, ↑nonmalignant neoplasm …   Useful english dictionary

  • Остеохондрома (Osteochondroma, Множ. Osteochondromatd) — опухоль кости, образующаяся из хрящевых клеток. Она представляет собой бесцветную массу, которая чаще всего образуется в возрасте от 10 до 25 лет на эпифизе длинной трубчатой кости. Так как часть этих опухолей при отсутствии их лечения может… …   Медицинские термины

  • fibrosing osteochondroma — a tumor containing the elements of osteoma, chondroma, and fibroma …   Medical dictionary

  • osteocartilaginous exostosis — osteochondroma …   Medical dictionary

  • остеохондрома — (osteochondroma; остео + греч. chondros хрящ + ома) см. Экзостоз костно хрящевой …   Большой медицинский словарь

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