Clinical Case of Lymphomatoid Papulosis
Lymphomatoid papulosis is a rare skin disease. The incidence averages 1.5 cases per 1 million population. It is the most common in adults around the age of 40. It was previously considered as paraneoplastic dermatosis, but recent studies have confirmed that lymphomatoid papulosis is a primary CD30 + T-lymphoma of the skin. Despite the aggressive morphological features, it is benign. The disease is characterized by a tendency to spontaneous regression. Typically, skin lesions last 3-12 weeks, although in some severe cases they may last longer. Skin lesions may disappear or recur over decades. Patients require observation because a second lymphoproliferative disease develops in 10-40% of patients.
A case of lymphomatoid papulosis in a patient with diffuse astrocytoma is presented. The patient was treated with systemic retinoids. The results of differential diagnosis and additional research methods, including dermoscopy, are given. Although the use of dermoscopy was not crucial, the results of the research showed microscopic visual differences between the elements of the rash, depending on the stage of the disease. The picture was mostly typical, however, spots formed by the areas of central erythema on the background of light brown areas, with a predominance of the reticular vessels pattern were also noted in addition to the rash elements on the hairy skull. Clarification of this feature requires further study.
The purpose of our report is to draw the attention of dermatologists and family doctors to cases of rare dermatoses. The rareness of the disease, lack of knowledge on the clinical findings lead to diagnostic errors, “inadequate treatment”.
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Copyright (c) 2022 Vasyl Tkach, Oleksandr Aleksandruk, Marian Voloshynovych, Galyna Girnyk, Ivan Kostyshyn, Nataliia Kozak
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