類癌(Carcinoid)為一種成長緩慢的神經內分泌腫瘤[1],源自於神經內分泌細胞。某些案例則會發生遠端轉移的狀況。中腸(空腸、迴腸、闌尾,以及盲腸)發生的類癌與類癌症候群相關。
類癌 | |
---|---|
Picture of a carcinoid tumor (center of image) that encroaches into the lumen of the small bowel (pathology specimen). The prominent folds are plicae circulares, a characteristic of the small bowel. | |
類型 | 神經內分泌腫瘤、腺癌 |
分類和外部資源 | |
醫學專科 | 腫瘤學 |
ICD-10 | C75, E34.0 |
ICD-9-CM | 209.60 |
ICD-O | M8240/3 |
OMIM | 114900 |
DiseasesDB | 2040 |
MedlinePlus | 000347 |
eMedicine | med/271 |
MeSH | D002276 |
症狀
大多數類癌並不會產生症狀,通常都是因為其他手術才發現。類癌屬於惡性腫瘤。
大約10%的類癌會釋放過量的激素,其中最常見的為血清素(5-HT),過量的血清素會造成下列症狀:
參見
- 類癌症候群
參考文獻
外部連結
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