Table 1. Differential diagnosis of generalized reticulate pigmentary dermatoses
Disease |
OMIM |
Inheritance |
Characteristic features |
Differentiating features in our case |
Naegeli-Franceschetti-Jadassohn |
161000 |
AD |
Complete absence of dermatoglyphics, reticulate hyperpigmentation, palmoplantar keratoderma, abnormal sweating, subtle developmental anomalies of the teeth and hair. |
· Hypopigmented spots within the hyperpigmentation · Normal dermatoglyphics sweating and teeth. · Absence of palmoplantar keratoderma. |
Dermatopathia pigmentosa reticularis (DPR) |
125595 |
AD |
Triad of reticulate hyperpigmentation, noncicatricial alopecia, and onychodystrophy. Variable features are adermatoglyphia, hypohidrosis or hyperhidrosis, and palmoplantar hyperkeratosis. |
· Hypopigmented spots within the hyperpigmentation · Involvement of the oral mucosa · Normal dermatoglyphics |
Dyskeratosis congenita [1] |
305005 127550 224230 |
XLR AD AR |
Reticulate pigmentation of poikiloderma, nail dystrophy with failure of the nails to form a nail plate and leucokeratosis of the oral mucosa. |
· Absence of poikiloderma · Absence of oral leukokeratosis |