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内分泌腺、胎盘以及消化道等处的嗜银细胞所发生的肿瘤可产生过量的激素或代谢活性物质,引起激素亢进或代谢紊乱的相应征候。这类肿瘤称为“功能性肿瘤”。从内分泌腺等发源的肿瘤亦可无活跃的分泌功能,生理宁静,则称“非功能性肿瘤”。 近年来观察到功能性肿瘤有时可产生一种以上的激素,亦可产生异源性激素,如胰岛细胞瘤可产生ACTH。 近年来还不断报道,不少非内分泌源性肿瘤(如肺燕麦细胞癌、头颈部、肺、宫颈等处的鳞癌、肾透明细胞癌、肝癌、肝母细胞瘤、平滑肌肉瘤、纤维肉瘤、恶性淋巴瘤、间皮
Tumors that occur in ectocytic cells in the endocrine glands, the placenta, and the digestive tract, etc., can produce excessive amounts of hormones or metabolically active substances, causing signs of hyperthyroidism or metabolic disturbances. This type of tumor is called a “functional tumor.” Tumors that originate from the endocrine glands, etc., may also have no active secretory function. Physiological quietness is called “non-functional tumors.” In recent years, it has been observed that functional tumors can sometimes produce more than one hormone and can also produce heterologous hormones, such as ACTH produced by islet cell tumors. In recent years, many non-endocrine tumors (such as squamous cell carcinoma of lung oat cell carcinoma, head and neck, lungs, and cervix, renal clear cell carcinoma, liver cancer, hepatoblastoma, leiomyosarcoma, fibrosarcoma) have been continuously reported. , malignant lymphoma, mesothelium