良性肿瘤

良性肿瘤(英語:benign tumor)是肿瘤的一种,通常区别于恶性肿瘤。良性肿瘤的生长速度缓慢,呈膨胀性生长,表面较光滑。[1][2][3]

存在于皮肤之间的良性肿瘤

病理

由于良性瘤体在局部会不断增大(一般无全身症状),压迫周围的正常组织,但并不侵入邻近的正常组织内,瘤体多呈球形、结节状。瘤体周围常形成包膜,因此与正常组织分界明显,[4]用手触摸,推之可移动。除非长在要害部位,良性肿瘤一般不会致命,大多数可被完全切除,很少有复发。虽说良性肿瘤不会致命,但是他们可能会基因突变成为恶性肿瘤[5]这就是有时需要用手术移除肿瘤的原因。[6]

參見

  • 脂溢性角化病(seborrheic keratosis/老人性角化腫/脂漏性角化腫/老年疣)

参考资料

  1. Wilson, Kathleen Atkins; Waugh, Anne; Chambers, Graeme; Grant, Allison; Ross, Janet. . Edinburgh: Churchill Livingstone. 2006: 53–54. ISBN 0-443-10101-9.
  2. Nunn, Laura Silverstein; Silverstein, Alvin; Silverstein, Virginia B. . Brookfield, Conn: Twenty-First Century Books. 2006: 11–12. ISBN 0-7613-2833-5.
  3. David Lowell Strayer; Raphael Rubin; Rubin, Emanuel. . Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins. 2008: 138–139. ISBN 0-7817-9516-8.
  4. Ober, William B.; Martini, Frederic. . San Francisco: Pearson Benjamin Cummings. 2006. ISBN 0-321-31198-1.
  5. Clark WH. . Br. J. Cancer. October 1991, 64 (4): 631–44. PMC 1977704. PMID 1911211. doi:10.1038/bjc.1991.375.
  6. Reece, Jane; Campbell, Neil; Urry, Lisa. . San Francisco: Pearson Benjamin Cummings. 2005: 232. ISBN 0-321-27045-2.
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