small cell carcinoma

small cell carcinoma
small cell lung carcinoma (SCLC) a common, highly malignant form of bronchogenic carcinoma in the wall of a major bronchus, occurring mainly in middle-aged individuals with a history of tobacco smoking; it is radiosensitive and has small oval undifferentiated cells that are intensely hematoxyphilic. Metastasis to the hilum and to mediastinal lymph nodes is common.

Medical dictionary. 2011.

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  • small cell carcinoma — noun highly malignant carcinoma composed of small round or egg shaped cells with little cytoplasm; lung cancers are frequently oat cell carcinomas • Syn: ↑oat cell carcinoma • Hypernyms: ↑carcinoma …   Useful english dictionary

  • small-cell carcinoma — noun see small cell lung cancer …   Useful english dictionary

  • non–small cell carcinoma — non–small cell lung carcinoma (NSCLC) a general term comprising all lung carcinomas except small cell carcinoma, and including adenocarcinoma of the lung, large cell carcinoma, and squamous cell carcinoma …   Medical dictionary

  • small cell carcinoma — Common malignant neoplasm of bronchus. Cells of the tumour have endocrine like characteristics and may secrete one or more of a wide range of hormones, especially regulatory peptides like bombesin …   Dictionary of molecular biology

  • small-cell lung cancer — n cancer of a highly malignant form that affects the lungs, tends to metastasize to other parts of the body, and is characterized by small round or oval cells resembling oat grains and having a high ratio of nuclear protoplasm to cytoplasm called …   Medical dictionary

  • small-cell lung cancer — SCLC a type of bronchial carcinoma characterized by small cells (or oat cells), small round or oval cells with darkly staining nuclei and scanty indistinct cytoplasm. Small cell carcinoma is usually related to smoking and accounts for about one… …   The new mediacal dictionary

  • small-cell lung cancer — noun Date: 1975 cancer of a highly malignant form that affects the lungs, tends to metastasize to other parts of the body, and is characterized by a small round or oval cells which resemble oat grains and have little cytoplasm called small cell… …   New Collegiate Dictionary

  • small-cell lung cancer — ˈ ̷ ̷ ˌ ̷ ̷ noun : cancer of a highly malignant form that affects the lungs, tends to metastasize to other parts of the body and is characterized by small round or oval cells resembling oat grains and having little cytoplasm called also small… …   Useful english dictionary

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