Journal
JOURNAL OF DERMATOLOGY
Volume 33, Issue 1, Pages 64-67Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1346-8138.2006.00013.x
Keywords
diffuse plane normolipemic xanthomatosis; monoclonal gammopathy; myelodysplastic syndrome
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We report a case of diffuse plane normolipemic xanthomatosis (DPNX) which showed poorly demarcated, uncommon, yellow macules symmetrically distributed on the nape, axillae and inguinal folds accompanied by severe, persistent itching. Histopathological and ultrastructural studies of skin biopsy specimens revealed the existence of some foamy cells and the deposition of neutral fat in the upper papillary dermis. Laboratory investigations and bone marrow aspirate smears showed that our patient had myelodysplastic syndrome (MDS) associated with pancytopenia and monoclonal gammopathy of undetermined significance. Because our patient had neither a malignant hematological disorder nor a severe systemic disease, monoclonal gammopathy might explain the pathogenesis of DPNX in the present case.
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