We present a new concept on the nosology of parapsoriasis lichenoides (= parakeratosis variegata) and show that this parapsoriasis type is not a separate entity. It represents different diseases: a large number of cases presenting as reticular parapsoriasis are mycosis fungoides, another group represents reticular variants of the parapsoriasis guttata group (pityriasis lichenoides acuta et chronica). Further, cases exist that can be classified as lichen planus reticularis or other diseases (e. g. keratosis lichenoides).
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http://dx.doi.org/10.1111/j.1610-0387.2009.07263.x | DOI Listing |
Arch Dermatol Res
January 2025
Department of Dermatology, Duke University Medical Center, Durham, NC, USA.
Background: Psoriasiform dermatitis can be defined both clinically and histologically, but is not a traditionally recognized clinical or histologic diagnosis.
Objective: Analyze the final clinical diagnosis, demographics and clinical characteristics in patients with histologic psoriasiform dermatitis.
Methods: Retrospective cross-sectional analysis of patients with histologic psoriasiform dermatitis 2004-2017.
Skinmed
January 2025
Department of Skin & VD, Civil Hospital, BJ Medical College, Ahmedabad, Gujarat, India.
Mycosis fungoides (MF) is a neoplasm of the immune system. It is a cutaneous lymphoma originating in the peripheral epidermotropic T-cells, specifically the memory T-cells (CD45RO+). The etiology of MF is indefinite, but various factors, such as genetic and epigenetic abnormalities, environmental and occupational exposure to chemicals, infections, and cytokines (interleukin [IL]-2, IL-4, etc.
View Article and Find Full Text PDFJ Allergy Clin Immunol
December 2024
Department of Dermatology, University of California, San Francisco, Calif. Electronic address:
Asia Pac Allergy
December 2024
Allergy and Clinical Immunology Department, Coimbra University Hospital Centre, Coimbra, Portugal.
Introduction: Lymphocytic esophagitis (LyE) is a rare esophageal disorder of unknown etiology, characterized by dense peripapillary lymphocytes without neutrophils or eosinophils, and spongiosis. Patients typically present with symptoms such as dysphagia or chest pain. Here, we describe a notable case of lymphocytic esophagitis in a patient who presented with food impaction.
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