Amenamevir has been approved for the treatment of herpes zoster (HZ); however, its therapeutic efficacy against central nervous system (CNS) infection may be insufficient due to its low spinal fluid permeability. We herein report a case of aseptic meningitis in a 91-year-old Japanese man treated with amenamevir for HZ in the trigeminal nerve region. Several cases of CNS infection have been reported in patients receiving amenamevir treatment for HZ. Patients with CNS complications often have skin rashes near the trigeminal region. Thus, we should be alert for signs of CNS infection when administering amenamevir to patients with such rashes.
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http://dx.doi.org/10.2169/internalmedicine.8581-21 | DOI Listing |
Neuron
January 2025
Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA; Department of Neurology, Mayo Clinic, Rochester, MN, USA; Center for Multiple Sclerosis and Autoimmune Neurology, Mayo Clinic, Rochester, MN, USA. Electronic address:
Autoimmune neurology is a rapidly expanding field driven by the discovery of neuroglial autoantibodies and encompassing a myriad of conditions affecting every level of the nervous system. Traditionally, autoantibodies targeting intracellular antigens are considered markers of T cell-mediated cytotoxicity, while those targeting extracellular antigens are viewed as pathogenic drivers of disease. However, recent advances highlight complex interactions between these immune mechanisms, suggesting a continuum of immunopathogenesis.
View Article and Find Full Text PDFClin Microbiol Rev
January 2025
Centro de Investigación en Salud Pública, Facultad de Medicina Humana, Universidad de San Martín de Porres, Lima, Peru.
SUMMARYSporotrichosis is a subacute-to-chronic infection endemic to tropical and subtropical regions. It usually involves subcutaneous tissue but can occasionally cause extracutaneous infections, especially in hyperendemic areas. Extracutaneous infections are classified based on the anatomic location of the lesion and the route of infection (primary or multifocal).
View Article and Find Full Text PDFEur J Neurol
January 2025
Department of Clinical Laboratory and Internal Medicine, National Center of Neurology and Psychiatry, Tokyo, Japan.
Background And Purpose: Clinical manifestations of Lyme borreliosis (LB), caused by Borrelia burgdorferi sensu lato (Bbsl), include erythema migrans, Lyme neuroborreliosis (LNB), carditis, and arthritis. LB is a notifiable disease in Japan with <30 surveillance-reported LB cases annually, predominately from Hokkaido Prefecture. However, LB, including LNB, may be under-diagnosed in Japan since diagnostic tests are not readily available.
View Article and Find Full Text PDFIDCases
December 2024
Department of Pharmacy, Edward Hines Jr. VA Hospital, Hines, IL, USA.
Dematiaceous molds often cause noninvasive disease but have the potential to cause disseminated infection, particularly in immunosuppressed hosts. is the most neurotropic of dematiaceous molds and is associated with brain abscesses, but disseminated infection is quite rare. Here we present a case of disseminated in a 67-year-old renal transplant recipient with multifocal soft tissue, bone and presumed central nervous system involvement.
View Article and Find Full Text PDFRadiol Case Rep
March 2025
Department of Infectious Diseases and Tropical Medicine, Faculty of Medicine, Al-Azhar University, Cairo, Egypt.
Whipple's disease, caused by the gram-positive actinomycete , is a rare chronic systemic illness with significant diagnostic and therapeutic challenges, particularly when the CNS is involved. This case report details a 46-year-old man presenting with a constellation of symptoms including fatigue, hypersomnia, weight loss, bifrontal headaches, abdominal pain, treatment-unresponsive diarrhea, and skin hyperpigmentation. Neurological examination revealed oculomasticatory myorhythmia, and imaging studies showed nodular enhancement of the hypothalamus and basal ganglia, along with retroperitoneal lymphadenopathy.
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