良性肿瘤

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存在于皮肤之间的良性肿瘤

良性肿瘤肿瘤的一种,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]

病理[编辑]

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]这就是为什么有时要用手术移除肿瘤[6]

参考资料[编辑]

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