Langerhans cell histiocytosis (LCH) is a rare clonal disorder of the monocyte-macrophage system. There are 3 distinct types of LCH: multisystem type (MS), single-system multi-site (SS-m), and single-system single-site (SS-s). The disease is most common in young children, especially males. In this case, we report the rare case of a young Asian girl who initially complained of dyspnea, diarrhea, rash, and fever. Upon further examination, multiple systems were implicated, including the bone, skin, lung, liver, and spleen. Multisystem LCH with risk organ involvement give poor prognosis to the patients.
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http://dx.doi.org/10.1016/j.radcr.2024.09.021 | DOI Listing |
Vestn Oftalmol
December 2024
Krasnov Research Institute of Eye Diseases, Moscow, Russia.
This lecture-format review presents a summary of methods for assessing the condition of corneal nerve fibers (CNF), their clinical significance, and an overview of their anatomy and physiology. It briefly analyzes the structural and functional characteristics of CNF in various ocular diseases, following eye surgeries, and in patients with systemic diseases accompanied by systemic polyneuropathy. The article describes in detail the management algorithm that involves a comprehensive analysis of CNF and Langerhans inflammatory cells, identifies the at-risk groups for developing structural nerve impairments, and outlines the main criteria for CNF assessment.
View Article and Find Full Text PDFNeuroradiology
December 2024
Department of Neuroradiology, Istituto Giannina Gaslini, Genoa, Italy.
Various space occupying lesions can arise in the orbit, ranging from developmental anomalies to malignancies, and many of the diseases occurring in children are different from the pathologies in the adult population. As the clinical presentation is frequently nonspecific, radiologic evaluation is essential for lesion detection and characterization as well as patient management. While orbital masses may in some cases involve multiple compartments, a simple compartmental approach is the key for the diagnosis on imaging studies, and MRI is the modality of choice.
View Article and Find Full Text PDFTomography
December 2024
Department of Radiology, Nemours Children's Health, 1600 Rockland Rd., Wilmington, DE 19803, USA.
Evaluating altered mental status and suspected meningeal disorders in children often begins with imaging, typically before a lumbar puncture. The challenge is that meningeal enhancement is a common finding across a range of pathologies, making diagnosis complex. This review proposes a categorization of meningeal diseases based on their predominant imaging characteristics.
View Article and Find Full Text PDFCancer Res Treat
December 2024
Department of Pathology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.
Purpose: This study aimed to conduct a comprehensive genetic analysis of patients with Langerhans cell histiocytosis (LCH), focusing on the frequency of MAPK pathway mutations, detailed mutation profiles of MAPK pathway genes, and their correlation with clinical features and prognosis in Korean LCH patients.
Materials And Methods: We performed targeted next-generation sequencing, capable of capturing exons from 382 cancer-related genes, on genomic DNA extracted from formaldehyde-fixed and paraffin-embedded samples of 45 pathologically confirmed LCH patients.
Results: The majority of patients (91.
Exp Parasitol
December 2024
Romero Lascasas Porto Laboratory of Helminthology, Department of Microbiology, Immunology and Parasitology, Medical Sciences College (FCM), Rio de Janeiro State University (UERJ), Rio de Janeiro, Brazil.
It is not well understood how type 1 diabetes (T1D) and concomitant acute schistosomiasis mansoni affect pancreatic architecture. Male Swiss mice were administered streptozotocin (single 100 mg/kg i.p.
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