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Am J Dermatopathol
January 2025
Department of Dermatology, Columbia University Medical Center, New York, NY; and.
Primary effusion lymphoma (PEL) is a rare and aggressive B-cell lymphoma typically associated with human herpesvirus 8 (HHV-8) and Epstein-Barr virus infections. It classically presents as a malignant effusion in body cavities, but rarely presents with an extracavitary variant characterized by solid tumors in lymph nodes or extranodal sites such as the gastrointestinal tract, skin, lungs, and nervous system. This case report describes an unusual presentation of primary cutaneous extracavitary PEL in an HIV-positive patient that has only been reported in 8 cases previously.
View Article and Find Full Text PDFCureus
December 2024
Internal Medicine Department, Unidade Local de Saúde do Nordeste, Bragança, PRT.
The authors describe a rare case of non-Hodgkin lymphoma (NHL) with primary involvement of the external auditory canal (EAC) and subsequent dissemination to the central nervous system, initially manifesting as a benign ear infection. This case highlights the importance of considering differential diagnoses in patients with persistent or worsening symptoms unresponsive to empirical treatment. A 53-year-old man presented with a one-week history of aural fullness, otalgia, and otorrhea in the left ear.
View Article and Find Full Text PDFCureus
December 2024
Infectious Diseases, Hospital Garcia de Orta, Lisbon, PRT.
Extra-cavitary primary effusion lymphoma (PEL), often associated with human herpes virus 8 (HHV8) infection, represents a rare and aggressive form of non-Hodgkin lymphoma, which is predominantly found in individuals with severe immunosuppression. As an acquired immunodeficiency syndrome (AIDS)-associated lymphoma, PEL typically manifests in the context of advanced human immunodeficiency virus (HIV) infection, requiring tailored therapeutic approaches to manage both the lymphoma and underlying immunodeficiency. A 53-year-old male patient from Cape Verde presented with a three-day history of fever, night sweats, right iliac fossa pain, hematochezia, and an unintentional weight loss of five kilograms over the previous two months.
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December 2024
Neurosurgery, Poznan University of Medical Sciences, Poznan, POL.
The present study reports a single-center experience conducted at Józef Struś Multispecialty City Hospital in Poznań, Poland, in diagnosing and treating two patients with primary central nervous system lymphoma (PCNSL), one immunocompetent and one immunodeficient (AIDS). PCNSL is an extremely rare neoplasm with a poor prognosis and non-specific treatment on the basis of immunocompetency. Standard treatment consists of high-dose methotrexate (HD-MTX) being the background of a multimodal therapy, including other chemotherapeutic agents with and without radiation.
View Article and Find Full Text PDFCancer
January 2025
State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center, Guangzhou, China.
Introduction: The prognosis of relapsed or refractory mature T- and natural killer (NK)-cell lymphoma remains dismal. Novel agents are urgently needed to improve the outcomes for this population.
Methods: In this phase 2, multicenter, open-label, single-arm study (NCT03776279), the authors report the efficacy and safety of liposomal mitoxantrone (Lipo-MIT) monotherapy in patients with relapsed or refractory mature T- and NK-cell lymphoma.
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