期刊
JOURNAL OF CANCER
卷 2, 期 -, 页码 538-543出版社
IVYSPRING INT PUBL
DOI: 10.7150/jca.2.538
关键词
Elderly patients; metastases; melanoma
类别
Purpose: Age is a poor prognostic factor in melanoma patients. Elderly melanoma patients have a different presentation and clinical course than younger patients. We evaluated the impact of age >= 70 years (yrs) on the diagnosis and natural history of melanoma. Methods: Retrospective review of 610 patients with malignant melanoma entered into a prospective sentinel lymph node (SLN) database, treated from June 1997 to June 2010. Disease characteristics and clinical outcomes were compared between patients >= 70 yrs vs. <70 yrs of age. Results: 237 patients (39%) were >= 70 yrs. Elderly patients had a higher proportion of head and neck melanomas (34% vs. 20%, p<0.001), and greater mean tumor thickness (2.4mm vs. 1.8mm, p<0.001). A greater proportion of T3 or T4 melanoma was seen in the elderly (p<0.001) as well as a greater mean number of mitotic figures: 3.6/mm(2) vs. 2.7/mm(2) (p=0.005). Despite greater mean thickness, the incidence of SLN metastases was less in the >= 70 yrs group with T3/T4 melanomas (18% vs. 33%, p=0.02). The elderly had a higher rate of local and in-transit recurrences, 14.5% vs. 3.4% at 5 yrs (p<0.001). 5 yr disease-specific mortality and overall mortality were worse for those >= 70 yrs: 16% vs. 8% (p=0.004), and 30% vs. 12% (p<0.001), respectively. Conclusions: Elderly (>= 70 yrs) melanoma patients present with thicker melanomas and a higher mitotic rate but have fewer SLN metastases. Melanoma in the elderly is more common on the head and neck. Higher incidence of local/in-transit metastases is seen among the elderly. Five-year disease-specific mortality and overall mortality are both worse for these patients.
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