Extensive hyperpigmented plaques in a chinese singaporean woman: a case of cutaneous plasmacytosis.

Cutaneous plasmacytosis is a rare disease entity presenting with multiple extensive red-brown plaques, histopathology showing marked hyperplasia of mature polyclonal plasma cells, and polyclonal hypergammaglobulinemia on serum protein electrophoresis, in the absence of an underlying secondary cause. We report in this article the first case of cutaneous plasmacytosis from Singapore. A 33-year-old Chinese woman presented with mildly pruritic reddish brown papules and plaques over her trunk and arms for 2 years.

Pinpoint papular polymorphous light eruption in Asian skin: a variant in darker-skinned individuals.

Background: Polymorphous light eruption (PMLE) is the most common idiopathic but probably immunologic photodermatosis and has wide morphological variants.

Methods: The photobiological features of all patients diagnosed with the pinpoint papular variant of PMLE at a tertiary dermatology centre in Singapore over a five-year period were retrospectively examined.

Results: Twenty-one patients were reviewed from 2003 to 2007.