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Primary diffuse large B-cell lymphoma of the orbit is a rare diagnosis that accounts for less than 1% of all non-Hodgkin's lymphoma (NHL) cases. We present here the case of a middle-aged woman with a past medical history of intellectual delay and hypothyroidism who presented with a large diffusely infiltrating mass of the left orbit. A biopsy of the lesion during the patient's hospitalization confirmed a diagnosis of diffuse, large B-cell lymphoma. Due to extensive local invasion, she was deemed a poor surgical candidate. While inpatient, she was started on systemic chemotherapy and discharged with close follow-up planned with the oncologic and surgical teams.
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http://dx.doi.org/10.7759/cureus.47130 | DOI Listing |
Eur J Case Rep Intern Med
August 2025
Division of Hematology and Oncology, UNM Comprehensive Cancer Center, Albuquerque, USA.
Background: Blinatumomab and inotuzumab ozogamicin (InO) are B-cell targeted agents used in the frontline and relapsed/refractory treatment of B-cell acute lymphoblastic leukaemia (B-ALL). Blinatumomab, a bispecific T-cell engager that targets CD19 and CD3, and InO, an antibody-drug conjugate targeting CD22, have both shown efficacy. However, recent reports have noted lineage conversion as a complication when these agents are used individually or sequentially.
View Article and Find Full Text PDFBlood Cell Ther
August 2025
Department of Medicine and Biosystemic Science, Kyushu University Graduate School of Medical Science, Fukuoka, Japan.
Background: Chimeric antigen receptor T-cell (CAR-T) therapy has transformed the treatment landscape for relapsed or refractory non-Hodgkin lymphoma, achieving a 5-year overall survival rate of 40-50%. However, relapse remains a major challenge, especially due to CD19-negative clones. Epcoritamab, a bispecific antibody targeting CD20 and CD3, offers a potential solution for post-CAR-T relapse; however, clinical data in this setting remain limited, particularly in Japan.
View Article and Find Full Text PDFFront Vet Sci
August 2025
Pathobiology and Population Science, Royal Veterinary College, Hatfield, United Kingdom.
Diffuse large B-cell lymphoma is the most common type of non-Hodgkin lymphoma (NHL) in humans, accounting for about 30-40% of NHL cases worldwide. Canine diffuse large B-cell lymphoma (cDLBCL) is the most common lymphoma subtype in dogs and demonstrates an aggressive biologic behaviour. For tissue biopsies, current confirmatory diagnostic approaches for enlarged lymph nodes rely on expert histopathological assessment, which is time-consuming and requires specialist expertise.
View Article and Find Full Text PDFIndian J Nucl Med
August 2025
Department of Nuclear Medicine, Jawaharlal Institute of Postgraduate Medical Education and Research, Puducherry, India.
Diffuse large B-cell lymphoma (DLBCL) is a highly aggressive type of non-Hodgkin lymphoma. Accurate evaluation of treatment response is essential for effective management. This case report discusses the potential role of ⁶⁸Ga-Pentixafor positron emission tomography (PET)/computed tomography (CT) in comparison to F-fluorodeoxyglucose PET/CT for assessing treatment response in a patient with DLBCL.
View Article and Find Full Text PDFHum Pathol
September 2025
Department of Hematopathology, The University of Texas MD Anderson Cancer Center, Houston, Texas.
We report 35 patients who had a leukemic phase of diffuse large B-cell lymphoma/high-grade B-cell lymphoma with MYC and BCL2 rearrangements, also known as double-hit lymphoma (DHL). There were 23 men and 12 women with a median age of 57 years (range, 29-82). Eight patients had an established DHL diagnosis and later developed a leukemic phase of disease and 27 presented with DHL and a leukemic phase of disease at initial diagnosis.
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