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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.
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BMC Cancer

ISSN: 1471-2407

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