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Chronic active Epstein-Barr virus (CAEBV) can induce complications in various organs, including the brain and gastrointestinal tract. A 3-year-old boy was referred to the hospital with a history of fever and seizures for 15 days. A diagnosis of encephalitis based on computed tomography (CT) and magnetic resonance imaging findings and clinical correlation was made. Laboratory tests showed positive serology for Epstein-Barr virus (EBV) and negative for Rotavirus antigen and IgG and IgM antibodies for cytomegalovirus, herpes simplex virus, and varicella zoster virus, respectively. Abdominal CT showed diffuse wall thickening with fluid distension of small bowel loops, lower abdomen wall thickening, and a small amount of ascites. The biopsy demonstrated positive Epstein-Barr encoding region in situ hybridization in cells within the crypts and lamina propria. The patient was managed with steroids and hematopoietic stem cell transplantation (HSCT). This case showed histopathological characteristics of concurrent EBV-associated encephalitis and colitis in CAEBV infection. The three-step strategy of immunosuppressive therapy, chemotherapy, and allogeneic HSCT should be always be considered for prevention of disease progression.
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http://dx.doi.org/10.4132/jptm.2025.02.21 | DOI Listing |
J Infect Dev Ctries
August 2025
Teaching Office of Luanzhou Health Vocational School, Tangshan 063004, Hebei Province, China.
Introduction: This study aimed to examine the impact of Epstein-Barr virus (EBV) infection on the occurrence and prognosis of Henoch-Schönlein purpura (HSP).
Methodology: A total of 120 children diagnosed with HSP were selected as the experimental group, and 100 healthy children who underwent physical examinations were the control group. We compared renal function markers and quantified 24-hour urine protein in HSP children with different EBV infection statuses, and analyzed the association between EBV infection and Henoch-Schönlein purpura nephritis (HSPN).
J Infect Dev Ctries
August 2025
Gastroenterology Division, Internal Medicine Department, Sultan Qaboos Comprehensive Cancer and Research Center (SQCCCRC), University Medical City (UMC), Muscat, Sultanate of Oman.
Introduction: Cytomegalovirus (CMV) and Epstein-Barr virus (EBV) reactivation are known complications in immunocompromised hosts, particularly transplant recipients. However, their occurrence and clinical implications in patients with solid tumors remain underexplored. The introduction of immune checkpoint inhibitors (ICIs) has transformed cancer therapy, but immune-related adverse events (irAEs), including colitis, are increasingly recognized.
View Article and Find Full Text PDFFront Oncol
August 2025
Department of Hepatobiliary Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong, China.
Epstein-Barr virus-positive inflammatory follicular dendritic cell sarcoma (EBV+ IFDCS) is a rare tumor that typically arises in the liver or spleen and is characterized by spindle-shaped cells within a dense lymphoplasmacytic background. We report a case of a 64-year-old woman with an incidental splenic mass found during routine imaging. MRI showed a 4.
View Article and Find Full Text PDFFront Immunol
September 2025
Department of Rheumatology and Immunology, The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, China.
Background: The coexistence of neuropsychiatric systemic lupus erythematosus (NPSLE) and primary diffuse large B-cell lymphoma (DLBCL) of the central nervous system (CNS) (PCNS DLBCL) is extremely rare in clinical practice. This article retrospectively analyzes the clinical manifestations, imaging examinations, pathological diagnosis, and treatment process of a patient with NPSLE, from the appearance of intracranial abnormal signal shadows to the final diagnosis of PCNS DLBCL.
Case Summary: A 32-year-old Chinese female patient had previously visited our hospital due to vomiting and delirium and was diagnosed with NPSLE.
J Pathol Transl Med
September 2025
Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Background: This study aimed to reclassify a subset of poorly differentiated salivary gland carcinoma that do not conform to any entities of the current World Health Organization (WHO) classification into the category of undifferentiated carcinoma (UDC) because they lack specific histologic differentiation or immunophenotype.
Methods: Cases of salivary gland carcinomas from Asan Medical Center (2002-2020) that did not fit any existing WHO classification criteria and were diagnosed as poorly differentiated carcinoma, high-grade carcinoma, or UDC, were retrospectively reviewed. Immunohistochemical (IHC) staining for p40, neuroendocrine markers, androgen receptor (AR), and gross cystic disease fluid protein 15 (GCDFP-15) and Epstein-Barr virus (EBV) in situ hybridization (ISH) were performed.