alveolar rhabdomyosarcoma

alveolar rhabdomyosarcoma
a rhabdomyosarcoma containing dense proliferations of small round cells among fibrous septa that form alveoli; it occurs mainly in adolescents and young adults and affects muscles of the extremities, trunk, orbit, and elsewhere.

Alveolar rhabdomyosarcoma in the forearm of a six-year-old child, showing characteristic round, spindled, and plumper rhabdoid cells (Papanicolaou stain).


Medical dictionary. 2011.

Look at other dictionaries:

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  • rhabdomyosarcoma — noun a highly malignant neoplasm derived from striated muscle • Syn: ↑rhabdosarcoma • Hypernyms: ↑sarcoma • Hyponyms: ↑embryonal rhabdomyosarcoma, ↑embryonal rhabdosarcoma, ↑alveolar rhabdomyosarcoma, ↑ …   Useful english dictionary

  • alveolar rhabdosarcoma — noun form of rhabdomyosarcoma occurring mainly in adolescents and young adults • Syn: ↑alveolar rhabdomyosarcoma • Hypernyms: ↑rhabdomyosarcoma, ↑rhabdosarcoma …   Useful english dictionary

  • Rhabdomyosarcoma — A malignant tumor that starts in muscle. Rhabdomyosarcoma is primarily a childhood tumor and occurs most often in children under 5 years of age. Over 60% of cases show up before age 10. On rare occasions, rhabdomyosarcoma affects adults.… …   Medical dictionary

  • rhabdomyosarcoma — n. a rare malignant tumour, usually of childhood, originating in, or showing the characteristics of, striated muscle. Pleomorphic rhabdomyosarcoma occurs in late middle age, in the muscles of the limbs. Embryonal rhabdomyosarcomas, affecting… …   The new mediacal dictionary

  • rhabdomyosarcoma — noun A cancerous tumor of skeletal muscle. Rhabdomyosarcoma, the most common primary malignant orbital tumor of childhood, has been classified histologically as embryonal, differentiated, or alveolar. Syn: rabdomyo sarcoma …   Wiktionary

  • orbital rhabdomyosarcoma — rhabdomyosarcoma in the orbit and surrounding structures, usually superior to the globe; the most common types are embryonal and alveolar. It may affect patients of any age and is the most common primary malignant orbital tumor in children …   Medical dictionary

  • Рабдомиосаркома (Rhabdomyosarcoma) — злокачественная опухоль, развивающаяся из поперечно полосатых мышц. Плеоморфная рабдомиосаркома (pleomorphic rhabdomyosarcoma) может развиться у человека в позднем зрелом возрасте; обычно эта опухоль поражает мышцы конечностей. Эмбриональные… …   Медицинские термины

  • FOXO1A — Forkhead box O1A (rhabdomyosarcoma), also known as FOXO1A, is a human gene. PBB Summary section title = summary text = This gene belongs to the forkhead family of transcription factors which are characterized by a distinct forkhead domain. The… …   Wikipedia

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