Segmental Lichen Aureus: A Case Report
Lichen Aureus is a rare asymptomatic dermatosis of unknown etiology which is classified
under the group of Pigmented Purpuric Dermatosis.
It is characterized by solitary or scant grouped macules or lichenoid papules,
more common on the lower part of the legs, and typically very persistent.
Histologically, the epidermis is normal, with a lymphohistiocytic.
band like infiltrate with extravasated blood red cells and hemosiderin deposits observed in the
dermis.1-4 A segmental or zosteriform pattern has been rarely described The aim of our study
was to evaluate the clinicopathologic features of LA with segmental presentation.
physical examination showed purpuric macules with zosteriform distribution on the
backside of the right thigh and the right popliteal cavity.
The laboratory data were all normal. The biopsy revealed capillaritis and endothelial
hypertrophy in the dermis along with a per vascular lymphoid infiltrate, and a marked
deposition of hemosiderin as result of the extravasations of red blood cells.
The epidermis was normal.
LA is usually unilateral and asymptomatic. Typical clinical presentation consists
of a circumscribed area of pigmented macules or groups of coalescent
papules whose colour varies from dark brown to bronze or gold.
Dermatol Open J. 2016; 1(2): 35-37. doi: 10.17140/DRMTOJ-1-110