Lichen amyloidosis

Justyna Milewska; Urszula Małachowska; Joanna Czuwara; Lidia Rudnicka; Małgorzata Olszewska

doi:10.5114/dr.2023.127656

eISSN: 2084-9893
ISSN: 0033-2526

Dermatology Review/Przegląd Dermatologiczny

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1/2023
vol. 110

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abstract:

Case report

Lichen amyloidosis

Justyna Milewska

¹

,

Urszula Małachowska

¹

,

Joanna Czuwara

¹

,

Lidia Rudnicka

¹

,

Małgorzata Olszewska

¹

Department of Dermatology, Medical University of Warsaw, Warsaw, Poland

Dermatol Rev/Przegl Dermatol 2023, 110, 37–42

DOI: https://doi.org/10.5114/dr.2023.127656

Online publish date: 2023/05/26

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Introduction:
Lichen amyloidosis is the most common form of primary localized amyloidosis of the skin. Typical lesions are hyperpigmented and hyperkeratotic papules with a predilection for the extensor surfaces of lower extremities. Histopathology reveals amyloid material in papillary dermis.

Case report:
We present the case of a 63-year-old woman with hyperkeratotic papules located on her lower extremities with accompanying pruritus, lasting for about 10 years. She had a history of, inter alia, choledocholithiasis and liver cirrhosis. Based on the clinical, dermoscopic and histopathological presentation, the diagnosis of lichen amyloidosis was established. The patient was treated with 0.05% clobetasol propionate ointment and salicylic acid in combination with urea with improvement.

Conclusions:
Lichen amyloidosis is a rare disease with characteristic clinical, dermoscopic and histopathological findings. It may be associated with internal diseases. Treatment options are based on case reports, with no definitive recommendations of treatment available.

keywords:

Lichen amyloidosis

Justyna Milewska 1 , Urszula Małachowska 1 , Joanna Czuwara 1 , Lidia Rudnicka 1 , Małgorzata Olszewska 1

lichen amyloidosis, amyloidosis, lichen

Justyna Milewska

¹

,

Urszula Małachowska

¹

,

Joanna Czuwara

¹

,

Lidia Rudnicka

¹

,

Małgorzata Olszewska

¹