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1.
Am J Dermatopathol ; 45(6): 391-396, 2023 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-36939126

RESUMO

ABSTRACT: Lymphomatoid papulosis (LyP) with DUSP22-IRF4 rearrangement on chromosome 6p25.3 is a newly identified subtype of LyP. It is characterized by an older age of onset, localized skin lesions, with good prognosis, and it resembles a hybrid of LyP types B and C in histopathology. A limited number of cases have been reported so far. In this article, we reported a case of a 72-year-old man with recurrent episodes of widespread multiple discrete papular or vesicular eruptions on a region of the head, trunk, and 4 extremities for about 3 years. Histopathological examination of a vesicle revealed a subepidermal blister with abundant atypical lymphocytes in the vesicular space, band-like infiltrates in the papillary dermis, along with epidermotropism and pilosebaceous structure involvement. Fluorescence in situ hybridization analysis further demonstrated DUSP22-IRF4 rearrangement on chromosome 6p25.3. A diagnosis of vesicular LyP with this rare subtype was made according to the clinical and pathological findings.


Assuntos
Papulose Linfomatoide , Neoplasias Cutâneas , Masculino , Humanos , Idoso , Papulose Linfomatoide/genética , Papulose Linfomatoide/patologia , Hibridização in Situ Fluorescente , Neoplasias Cutâneas/genética , Neoplasias Cutâneas/patologia , Vesícula , Cromossomos , Fosfatases de Especificidade Dupla/genética , Fosfatases da Proteína Quinase Ativada por Mitógeno/genética
2.
J Cosmet Dermatol ; 21(5): 1986-1988, 2022 May.
Artigo em Inglês | MEDLINE | ID: mdl-35176192

RESUMO

A novel fractional laser system with differential-wavelength modified optically pumped semiconductor technology can produce a pure 585 nm wavelength as pulsed dye laser, which has been used to treat vascular, pigmented skin lesions. Besides, this new laser modality also showed promising results for verruca plana in our experience. In this brief report, we present three cases of facial flat warts treated by this novel 585 nm diode laser.


Assuntos
Lasers de Corante , Lasers de Estado Sólido , Verrugas , Face , Humanos , Lasers de Corante/uso terapêutico , Lasers Semicondutores/uso terapêutico , Lasers de Estado Sólido/uso terapêutico , Resultado do Tratamento , Verrugas/cirurgia
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