Necrobiotic xanthogranuloma This presents as multiple sharply demarcated, indurated, non-tender dermal or subcutaneous nodules and plaques. Periorbital involvement is common. Lesions vary from violaceous to red orange, and enlarge to form infiltrative plaques that may show central atrophy. Though most of the lesions are asymptomatic, some may be pruritic or painful. Ulceration and scarring are ...

Common skin conditions during pregnancy generally can be separated into three categories: hormone-related, preexisting, and pregnancy-specific. Normal hormone changes during pregnancy may cause benign skin conditions including striae gravidarum (stretch marks); hyperpigmentation (e.g., melasma); and hair, nail, and vascular changes. Preexisting skin conditions (e.g., atopic dermatitis, psoriasi...

We report the case of a 63-year-old woman who presented a 3-month history of hyperpigmented and pruritic skin lesions in the lumbar region. Physical examination revealed violaceous-brown macules in a linear distribution with an italic S morphology (Fig. 1). The nails and mucosas were not affected. The patient did not report using systemic or topical treatments, exposure to the sun, or trauma pr...

Sir, Pregnancy is frequently complicated by skin abnormalities, which is a cause of concern for the obstetrician and dermatologist because some pregnancy dermatoses can cause severe illness and even be life-threatening. Most common dermatoses are eczema, polymorphic eruption of pregnancy, pruritic folliculitis, prurigo and pemphigoid gestationis, but no cases of contact dermatitis were noted in...