Diffuse large B-cell lymphoma is considered the most found non-Hodgkin lymphoma in adults. Diffuse large B-cell lymphoma, which also occurs in sporadic forms, is associated with some pathological conditions, including human immunodeficiency virus infection, especially if it progresses to AIDS. The authors report the case of a 45-year-old man with AIDS in whom a postmortem diagnosis of diffuse large B-cell lymphoma was performed. The proposed images document extensive pluri-visceral involvement, already visible macroscopically, and subsequently confirmed through histological examination.
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http://dx.doi.org/10.3390/diagnostics14171901 | DOI Listing |
Sci Rep
December 2024
Department of Neurosurgery, The Second Affiliated Hospital, Zhejiang University School of Medicine, Jiefang Road 88th, Hangzhou, 310009, China.
Chronic ischemia in moyamoya disease (MMD) impaired white matter microstructure and neural functional network. However, the coupling between cerebral blood flow (CBF) and functional connectivity and the association between structural and functional network are largely unknown. 38 MMD patients and 20 sex/age-matched healthy controls (HC) were included for T1-weighted imaging, arterial spin labeling imaging, resting-state functional MRI and diffusion tensor imaging.
View Article and Find Full Text PDFSci Rep
December 2024
Department of Biomedical Engineering, Tufts University, 4 Colby Street, Medford, MA, 02155, USA.
We propose an overview of the Rytov approximation in diffuse optics of biological tissues, for the inverse and forward problems. First, we show a physical interpretation of the Rytov approximation as a type of partial pathlength (named fluence rate partial pathlength) which is distinct from the usual partial pathlength for reflectance measurements. Second, we study the accuracy of the Rytov approximation for the calculation of Jacobians considering absorption perturbations and reflectance measurements.
View Article and Find Full Text PDFBiol Psychiatry Cogn Neurosci Neuroimaging
December 2024
Department of Psychiatry, University of Cambridge, Cambridge, UK; Department of Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, Germany; Department of Addictive Behaviour and Addiction Medicine, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany. Electronic address:
Background: A preference for sooner-smaller over later-larger rewards, known as delay discounting, is a candidate transdiagnostic marker of waiting impulsivity and a research domain criterion. While abnormal discounting rates have been associated with many psychiatric diagnoses and abnormal brain structure, the underlying neuropsychological processes remain largely unknown. Here, we deconstruct delay discounting into choice and rate processes by testing different computational models and investigate their associations with white matter tracts.
View Article and Find Full Text PDFLeuk Res
December 2024
Ankara Yıldırım Beyazıt University, Hematology Clinic, Ankara, Turkey.
CD47 interacts with signal regulatory protein alpha (SIRPα) on macrophages to deliver an anti-phagocytic signal, enabling tumor cells to evade immune destruction. This study explores the relationship between CD47 and SIRPα expression and key clinical prognostic factors, microvascular density (MVD), and tumor-infiltrating lymphocytes (TIL) in Diffuse Large B Cell Lymphoma (DLBCL) cases. We analyzed tissue samples from 122 DLBCL cases using tissue microarray (TMA) blocks and immunohistochemical staining for CD47, SIRPα, CD31, and CD3.
View Article and Find Full Text PDFMalays J Pathol
December 2024
Universiti Kebangsaan Malaysia, Faculty of Medicine, Department of Pathology, Kuala Lumpur, Malaysia.
No abstract available.
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