Skip to main content

Table 1 Characteristics of the patients (at diagnosis) and their diseases

From: Clinical presentation, histology, and prognoses of malignant melanoma in ethnic Chinese: A study of 522 consecutive cases

Characteristics No. %
Age at diagnosis (years)   
   ≤ 65 429 82.2
   > 65 93 17.8
Gender   
   Male 276 52.9
   Female 246 47.1
Anatomic location   
   Trunk 53 10.2
   Head and neck 39 7.5
   Palmoplantar/Subungual 218 41.8
   Upper/Lower limb 47 9.0
   Mucosal 118 22.6
   Unknown 47 9.0
Histology*   
   LMM 3 0.6
   SSM 33 6.3
   NM 103 19.7
   ALM 218 41.8
   MCM 118 22.6
   Unclassifiable 47 9.0
Ulceration status   
   With 234 44.8
   Without 123 23.6
   Unknown 165 31.6
Breslow thickness (mm)†   
   ≤ 1 27 15.0
   1-4‡ 80 44.4
   > 4 73 40.6
Stage   
   I 32 6.1
   II 292 55.9
   III 131 25.1
   IV 67 12.8
  1. * Abbreviation: LMM, lentigo maligna melanoma; ALM, acral lentiginous melanoma; MCM, Mucosal melanoma; NM, nodular melanoma; SSM, superficial spreading melanoma.
  2. † Only includes cutaneous melanoma. MCM and unclassifiable type were excluded.
  3. ‡ Includes 4 mm but excludes 1 mm.