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Colegio de Medicina Interna de México.

2023, Number 3

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Med Int Mex 2023; 39 (3)

Friction macular cutaneous amyloidosis

García-Hernández A, Serrano-Guadalupe G, Arenas-Guzmán R

Language: Spanish
References: 8
Page: 582-585
PDF size: 211.95 Kb.


ABSTRACT

Background: Cutaneous friction amyloidosis, also called friction melanoderma, can be confused with other dermatological conditions. It is caused by abnormal keratin-type amyloid deposit in the papillary dermis, secondary to friction of the skin.
Clinical case: A 44-year-old female patient with a disseminated and symmetrical dermatosis affecting chest in cleavage area and upper limbs, characterized by diffuse brown and reticular hyperpigmentation, in whom cutaneous friction amyloidosis was diagnosed.
Conclusions: Primary cutaneous amyloidosis is a rare disease that is difficult to detect by the clinician, which requires a directed and structured clinical history, as well as an intentional questioning about the use of sponges and skin friction when bathing.


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