Table I.
Clinical, dermoscopic, and histologic details compared with previously published case2
| Case No. | 1 | 2 | 3 | 4 | 5 | Published case |
|---|---|---|---|---|---|---|
| Clinical details | ||||||
| Age (y) | 18 | 32 | 43 | 50 | 28 | 25 |
| Sex | M | F | F | M | M | M |
| Duration (y) | 3 | 5 | 20 | 20 | 2 | 3 |
| Diffused hair loss | Yes | Yes | Yes | Yes | Yes | Yes |
| Symmetric hair loss | Yes | Yes | Yes | Yes | Yes | Yes |
| Hair-pulling test | Negative | Negative | Negative | Negative | Negative | Negative |
| Eyebrow and beard | Sparse | Normal | Sparse | Sparse | Normal | Sparse |
| Axillary and pubic hair | Sparse | Normal | Sparse | Sparse | Normal | Sparse |
| Vellus hair of the body | Disappear | Normal | Disappear | Disappear | Normal | Disappear |
| Lichen planus lesion | - | - | - | - | - | - |
| Dermoscopic and TrichoScan details | ||||||
| Hair density | Decrease | Decrease | Decrease | Decrease | Decrease | Decrease |
| Focal atrichia | + | + | + | + | + | + |
| Exclamation mark hairs | - | - | - | - | - | - |
| Broken hairs | - | - | - | - | - | - |
| Wickham striae | - | - | - | - | - | - |
| Lonely hair sign | + | - | + | + | - | + |
| White spots | + | + | + | + | + | + |
| Loss of follicular ostia | + | + | + | + | + | + |
| Perifollicular keratosis | + | - | + | + | - | + |
| Perifollicular erythema | + | - | Inconspicuous | + | - | - |
| Hair miniaturization | - | + | - | + | - | - |
| Ratio of vellus hairs (%) | 8.7 (crown) | 14.9 (crown) | 2.2 (crown) | 18.1 (crown) | 8.8 (crown) | 5.1 (crown) |
| Histologic details | ||||||
| Lichenoid folliculitis | + | + | + | N/A | N/A | + |
| Concentric fibrosis | + | + | + | N/A | N/A | + |
| Cicatricial | + | + | + | N/A | N/A | + |
| Portion involved | Ist, Inf | Ist, Inf | Ist, Inf | N/A | N/A | Ist, Inf |
Inf, Infundibulum; Ist, isthmus; N/A, not applicable.