|
| | | | | | Highlights of the study | | |
| Study | | Duration and type of study | M | F | M : F | Age | Sites | Subtype |
|
| Obaidullah and Aslam, 2008 [34] | 100 | 4 years, prospective | 45 | 55 | 0.8 : 1 | Mean age = 56.3 years | — | 24 pigmented nodular, 21 nonpigmented nodular, 30 ulcerative, and6 lesions were of morphoeic type. |
|
Asif et al., 2010 [35] | 235 | 3 years, retrospective | 53.2% | 46.8% | 1.2 : 1 | 32–90 years | Nose: 28.9%
Eye: 24.7%
Cheek: 20.4% | — |
| Laishram et al., 2010 [22] | 30 | 5 years, retrospective | — | — | 1 : 2 | Median age = 70 years;
most common age group is 61–70 years. | 83.3% on head and neck, with predilection for face | Nodular subtype was the most frequent. |
Malhotra et al., 2011
[23] | 34 | 3 years | — | — | 1.6 : 1 | 28 to 102 years.
Majority in age group
40–60 years (44%) | 91.2% on head and neck, with commonest site being medial/lateral canthus of eye | Most common histology subtype: nodular (64.7%); pigmented clinically (35.2%) |
| Chow et al., 2011 [36] | 225 | 10 years, retrospective | 94 | 132 | 0.7 | Mean age = 73.1 (22–100) years | Nose: 31.6%
Cheek: 16.5% | Ulcer: 64.8%
Nodule: 19.3% |
|
Deo et al. [3] | 14 | 8 years, retrospective | — | — | — | — | — | — |
| Moore and Bennett, 2012 [37] | 10 | 9 years, retrospective | 5 | 5 | — | 68.9 years | 100% on head region | Nodular: 50%
Infiltrative: 10%
Sclerosing: 10% |
| Janjua and Qureshi, 2012 [38] | 171 | 3 years, retrospective | 100 | 71 | 1.4 : 1 | 22–90 years (mean 61.3 ± 13.07 years) | Most common site: nose (31.5%) followed by cheek (26.9%) | Nodular variety: 46.2% and pigmented type: 18.7% |
| Chang and Gao, 2013 [39] | 243 | 8 years, retrospective | 118 | 125 | 0.94 : 1 | 65.16 ± 12.62 years |
Head and neck region was the most common site (77.4%) | Nodular: 53.9%
Superficial: 18.9%
Infiltrative-morphoeic: 18.5% |
|
