IDIOPATHIC ERUPTIVE MACULAR PIGMENTATION WITH PAPILLOMATOSIS
By Gary M. White, MD
Idiopathic Eruptive Macular Pigmentation With Papillomatosis IEMP is a rare condition in which widespread asymptomatic pigmented macules and patches appear in a child or adolescent.
- Histology shows papillomatosis with increased basal epidermal pigmentation.
- IEMP resolves spontaneously over months to years.
- Some have said the individual lesions resemble acanthosis nigricans and given the papillomatosis, IEMP could be a variant of acanthosis nigricans. Others not the similarity histologically to confluent and reticulated papillomatosis.
Multiple round or oval-shaped, brownish macules scattered on the trunk is typical. There is no previous erythema or other symptoms. Involvement of the face has been reported occasionally.
No treatment is reliably effective. Lesions may resolve spontaneously or last years.
Indian J Online 2011;2;101-103
Indian Dermatol Online J 2015;6:274-6
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