Persistent lymphocytosis as a presenting sign in sarcoidosis is described in a 61-year-old man. Lymphocytosis is an unusual finding in sarcoidosis. The case presented seems to suggest that sarcoidosis should be considered in the differential diagnosis of lymphocytosis.
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http://dx.doi.org/10.1159/000206207 | DOI Listing |
J Clin Invest
January 2025
Program in Infectious Diseases and Global Health, The Research Institute of the McGill University Health Centre, Montréal, Canada.
Natural resistance to Mycobacterium tuberculosis (Mtb) infection in some people with HIV (PWH) is unexplained. We performed single cell RNA-sequencing of bronchoalveolar lavage cells, unstimulated or ex vivo stimulated with Mtb, for 7 PWH who were TST & IGRA positive (called LTBI) and 6 who were persistently TST & IGRA negative (called resisters). Alveolar macrophages (AM) from resisters displayed a baseline M1 macrophage phenotype while AM from LTBI did not.
View Article and Find Full Text PDFMediterr J Hematol Infect Dis
January 2025
Hematology, Department of Translational and Precision Medicine, Sapienza University of Rome, Italy.
Background: Clonal mature B-cell lymphoproliferative disorders (B-LPDs) are a heterogeneous group of neoplasia characterized by the proliferation of mature B lymphocytes in the peripheral blood, bone marrow and/or lymphoid tissues. B-LPDs classification into different subtypes and their diagnosis is based on a multiparametric approach. However, accurate diagnosis may be challenging, especially in cases of ambiguous interpretation.
View Article and Find Full Text PDFEur J Case Rep Intern Med
December 2024
Department of Internal Medicine, Hospital de Santa Maria, ULS de Santa Maria, Lisbon, Portugal.
Unlabelled: Cytomegalovirus (CMV) is a human herpes virus with a worldwide seroprevalence of 60-100%, mainly known to cause severe life-threatening disease in immunocompromised patients. In immunocompetent hosts (IMCh), CMV causes a self-limiting mononucleosis-like infection, and severe pictures are less recognized. We report a case of a previously healthy 62-year-old woman evaluated in the Internal Medicine outpatient clinic for 3 weeks of progressive fatigue, generalised inflammatory arthralgias, hypogastric discomfort and daily persistent fever.
View Article and Find Full Text PDFCureus
December 2024
Neurology and Neuroscience, Medical University of Varna, Varna, BGR.
Neuromyelitis optica spectrum disorder (NMOSD) includes conditions with autoimmune genesis, which are manifested by attacks of optic neuritis (ON) and transverse myelitis (TM), and also express aquaporin 4 (NMO-IgG) or myelin oligo-endocytic glycoprotein (MOGAb) antibodies. In rare cases, the disease may also have a clinical presentation with only TM, without ON or with ON, without TM. These conditions are also included in the spectrum.
View Article and Find Full Text PDFOchsner J
January 2024
The University of Queensland Medical School, Ochsner Clinical School, New Orleans, LA.
Spinal cord sarcoidosis, an uncommon manifestation of neurosarcoidosis, presents diagnostic and therapeutic challenges because the condition is rare and has diverse clinical manifestations that can mimic other conditions such as multiple sclerosis and neuromyelitis optica spectrum disorder. A middle-aged African American female with a history of idiopathic intracranial hypertension and hydrocephalus with ventriculoperitoneal shunt presented with progressive, predominantly left-sided gait instability, weakness, and paresthesia. Cerebrospinal fluid showed lymphocytosis, red blood cells, elevated oligoclonal bands, and elevated kappa free light chains, concerning for multiple sclerosis.
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