Segmental Darier's disease is a rare clinical variant of autosomal dominant Darier's disease (keratosis follicularis) exhibiting eruptions in a unilateral arrangement following the lines of Blaschko. It occurs in approximately 10% of patients with Darier's disease. We report two cases of type 1 segmental Darier's disease that appeared a few months after childbirth; in one case, recurrence of th...

A 50-year-old man and 71-year-old woman presented to our clinic with unilateral, linear, erythematous, pruritic lesions along the lines of Blaschko. On the basis of clinical and histopathological findings, the lesions were diagnosed as lichen planus with a Blaschkoian distribution, which is a rare form of lichen planus. The patients were treated with topical corticosteroids and antihistamines.

Incontinentia Pigmenti, also known as Bloch-Sulzberger syndrome, is a rare X-linked dominant disorder considered to be lethal in males. The syndrome usually presents at birth or shortly thereafter and the skin rash evolves in the classic four stages of vesicular, verrucous, hyperpigmented, and hypopigmented lesions following a blaschko linear distribution. Here we present an unusual case of Inc...

Inflammatory linear verrucous epidermal nevus (ILVEN) is a benign cutaneous hamartoma characterized by intensely erythematous, pruritic, and inflammatory papules that occur as linear bands along the lines of Blaschko. There is a considerable clinical and histological resemblance between ILVEN and linear psoriasis, lichen striatus, linear lichen planus, and invasion of epidermal nevus by psorias...

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