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Table 2 Clinical features of patients with melanoma and Histologic aspects of their tumors

From: Skin pigmentation polymorphisms associated with increased risk of melanoma in a case-control sample from southern Brazil

Mean age at diagnosis (SD) 53.72 (15.5)
Breslow thickness/TNM Staginga n (%)
 in situ/ Tis 26 (22.6)
 ≤ 1.0 mm/ T1 41 (35.6)
 1.01–2 mm/ T2 23 (20)
 2–4 mm/ T3 14 (12.2)
 > 4 mm/ T4 11 (9.6)
Histological subtype
 Acral lentiginous 2 (1.8)
 Superficial spreading 78 (72.2)
 Nodular melanoma 20 (18.5)
 Lentigo maligna 8 (7.4)
Multiple primary melanoma
 Yes 8 (6.7)
 No 112 (93.3)
Family History of melanoma
 Yes 19 (15.8)
 No 101 (84.2)
  1. Abbreviations: SD standard deviation, TNM classification of malignant tumours
  2. aThe Breslow thickness and TNM Staging according to National Comprehensive Cancer Network (NCCN) guidelines version 1.2011
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