Table 1.
Characteristics of 100 patients with lichen planus pigmentosus
| Parameter | Number of patients (percent) Total=100 | |
|---|---|---|
| Total patients (100) | Males | 44% |
| Females | 56% | |
| Mean age (years) Range : 18 to 54 years | Males | 28±1.6 |
| Females | 31±1.4 | |
| Mean duration of disease (months) Range -2-60 months | 19.31 | |
| Initial site of presentation | Neck | 28% |
| Face | 24% | |
| ARms | 18% | |
| Back | 11% | |
| Flexures (Neck/inframammary areas) | 10% | |
| Most commonly involved sites | Face | 54% |
| Neck | 48% | |
| Upper back | 36% | |
| Upper limbs | 32% | |
| Flexures (axilla/infra mammary areas) | 13% | |
| Symptoms | Cosmetic disfigurement | 68% |
| Itching | 41% | |
| Burning | 15% | |
| Asymptomatic | 30% | |
| Etiological agents | Mustard oil/Almond oil | 62% |
| Hair dye | 48% | |
| Perfumes/deodorants | 24% | |
| Aftershave lotions | 36% | |
| Cosmetic creams (fair and lovely) | 20% | |
| Pattern of pigmentation | Diffuse | 56% |
| Reticular | 16% | |
| Inversus | 13% | |
| Blotchy | 12% | |
| Follicular | 5% | |
| Zosteriform/segmental | 3% | |
| Oral mucosal involvement | 8% | |
| Nail involvement | 14% | |
| Associated diseases | Vitiligo | 1% |
| Hypothyroidism | 22% | |
| Hepatitis C | 4% | |
| Chronic urticaria | 12% | |
| Tuberculosis | 5% | |
| Canities | 24% | |
| Concomitant Lichen planus | 0% | |