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TUMORS OF THE LUNG

TUMORS OF THE LUNG. * Classification: 1. Benign tumors: - Papilloma. - Fibroma. - Chondroma. 2. Locally malignant tumors: - Bronchial carcinoid 3. Malignant tumors: A. Primary M. tumors: - Bronchogenic carcinoma. - Lymphoma. - Sarcomas. B. Secondaries.

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TUMORS OF THE LUNG

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  1. TUMORS OF THE LUNG * Classification: 1. Benign tumors: - Papilloma. - Fibroma. - Chondroma. 2. Locally malignant tumors: - Bronchial carcinoid 3. Malignant tumors: A. Primary M. tumors: - Bronchogenic carcinoma. - Lymphoma. - Sarcomas. B. Secondaries.

  2. Small cell (oat cell) carcinoma

  3. LUNG METASTASES (SECONDARIES) More common than the 1ry tumors. *Two forms I. Metastases reach through pulmonary artery: From malignant melanoma, hepatoma, encocrine carcinomas, urogenital carcinoma (renal cell carcinoma and testicular tumors), sarcomas and leukaemias. N/E: multiple nodules, variable in size scattered all over the lung lobes especially at the periphery. Metastases from RCC and seminoma are large in size and spherical in shape called “cannon-ball secondaries”. M/P: like its 1ry. II. Metastases reach through lymphatics: From cancer breast, abdominal carcinomas and lymphoma.

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