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Epstein-Barr virus-related lymphoproliferative disorders of the skin.
Dermatol Reports
May 2024
Anatomic Pathology and Cytopathology Unit, G. Pascale Foundation National Cancer Institute IRCCS, Naples, Italy.
Article Synopsis
- - Epstein Barr Virus (EBV) is linked to various cancers, including nasopharyngeal and gastric carcinomas, as well as different types of lymphomas that can range from mild to severe illnesses.
- - The review highlights skin-related disorders associated with EBV, such as EBV-positive mucocutaneous ulcer, lymphomatoid granulomatosis, and several lymphomas including diffuse large B cell lymphoma and plasmablastic lymphoma.
- - Due to the rarity of these skin conditions, a multidisciplinary approach and referrals to specialized care centers are recommended for proper management and treatment.
Lymphomatoid Papulosis Type D in a Mestizo-Ancestry Man.
Am J Dermatopathol
November 2024
Service of Dermatology, Hospital General de México "Dr. Eduardo Liceaga, " S.S./School of Medicine, Universidad Nacional Autónoma de México, Mexico City, Mexico; and.
Article Synopsis
- * Type D LyP is characterized by the presence of abnormal CD8+ and CD30+ lymphocytes, which presents diagnostic challenges due to similarities with more aggressive forms of skin lymphomas.
- * A clinical case of a 22-year-old man with type D LyP demonstrated a favorable prognosis, highlighting the need to share findings related to this condition, especially among mestizo or Latin-American patients, as there are few published cases in this demographic.*
Clinical and Histologic Variants of CD8+ Cutaneous T-Cell Lymphomas.
Cancers (Basel)
September 2024
Department of Dermatology, Yale School of Medicine, New Haven, CT 06510, USA.
Article Synopsis
- The text discusses the classification of Cutaneous T-cell Lymphomas (CTCL), highlighting the prevalence of CD4+ T-helper cell variants and a spectrum of CD8+ variants with various clinical and histological features.
- CD8 and cytotoxic molecules can be identified through immunohistochemical staining, but their presence alone is not enough for diagnosis or determining prognosis.
- The review covers specific CTCL subtypes that express CD8 positivity, including mycosis fungoides, lymphomatoid papulosis, and aggressive forms, underscoring the importance of combining clinical, histologic, and immunohistochemical data for accurate diagnosis and treatment.
[Polymorphic lymphoproliferative disorder, lymphomatoid granulomatosis-type, in a patient with iatrogenic immunosuppression, an unusual entity].
Rev Med Chil
November 2023
Sección Hematología, Unidad de Hematología Clínica, Hospital del Salvador, Chile.
Article Synopsis
- Patients with immunodeficiency are at a higher risk of developing certain cancers, particularly mature lymphoid neoplasms and lymphoproliferative disorders.
- A 50-year-old woman on immunosuppressive therapy for dermatomyositis presented with swollen lacrimal glands, weight loss, and night sweats, leading to an elective biopsy.
- Post-surgery, she experienced acute abdominal issues that revealed multiple organ lesions and ultimately led to a diagnosis of polymorphic B-lymphoproliferative disorder resembling lymphomatoid granulomatosis, a rare condition linked to immunosuppression.
Systemic ALK-negative anaplastic large cell lymphoma with NPM1::TYK2 rearrangement.
J Hematop
December 2024
Department of Pathology, University of Colorado Hospital, University of Colorado School of Medicine, 12605 East 16 Avenue, Aurora, CO, 80045, USA.
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- Anaplastic large cell lymphoma (ALCL) is a rare type of non-Hodgkin lymphoma, primarily characterized by ALK gene rearrangements, though about 20-50% are ALK negative (ALK- ALCL) and display different genetic changes.
- A unique case of systemic ALK- ALCL involved a genetic fusion (NPM1::TYK2) that complicated diagnosis until next-generation sequencing (NGS) was applied.
- The NGS results revealed clonal rearrangement and a previously unreported NPM1::TYK2 fusion in systemic ALK- ALCL, highlighting its significance and rarity in comparison to other lymphoid conditions.
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