A 61-year-old female with a 4-year history of disseminated granuloma annulare was successfully treated with the antitumor necrosis factor (TNF)-alpha antibody, adalimumab. The patient had failed high potency topical glucocorticoids, hydroxychloroquine, and narrow-band ultraviolet light (UV)-B phototherapy. Anti-TNF-alpha therapy may be a therapeutic option in patients with disseminated granuloma annulare poorly controlled with conventional medications.
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mBio
January 2025
Department of Microbiology and Immunology, University of Minnesota, Minneapolis, Minnesota, USA.
is a fungal pathogen that can cause lethal disease in immunocompromised patients. Immunocompetent host immune responses, such as formation of pulmonary granulomas, control the infection and prevent disseminated disease. Little is known about the immunological conditions establishing the latent infection granuloma in the lungs.
View Article and Find Full Text PDFcan persist asymptomatically within tissues for extended periods. This remarkable feat is achieved through intricate host-pathogen interactions in immune cell aggregates called granulomas, wherein find favorable cellular niches to exploit while the host limits its expansion and tissue dissemination. Here, using a mouse model of persistent infection, we identify a host-protective role of eosinophils in control of Typhimurium ( Tm) infection within the mesenteric lymph nodes (MLN), the main lymphoid tissue of Tm persistence.
View Article and Find Full Text PDFCase Rep Infect Dis
December 2024
Department of Dermatology, North Bristol NHS Trust, Bristol, UK.
was first described in humans in 1954, known to infect fish species and contaminate water and fish products. Inoculation to humans occurs through injured skin resulting in the formation of a solitary nodule known as "fish tank granuloma." Disseminated infections have been reported in the immunocompromised and can present with extracutaneous manifestations such as arthritis and osteomyelitis.
View Article and Find Full Text PDFClin J Gastroenterol
December 2024
Department of Gastroenterology and Hepatology, Japanese Red Cross Aichi Medical Center Nagoya Daiichi Hospital, 3-35 Michishita-cho, Nakamura-ku, Nagoya, 453-8511, Japan.
Intravesical Bacillus Calmette-Guérin (BCG) immunotherapy for bladder cancer rarely leads to disseminated BCG infections, most of which occur early after BCG instillations or in immunocompromised patients. We report late-onset disseminated BCG infection after intravesical BCG immunotherapy in a non-immunocompromised patient. A 78-year-old non-immunocompromised man was admitted with fever and hepatosplenomegaly.
View Article and Find Full Text PDFAust Vet J
December 2024
Centre for Veterinary Education, The University of Sydney, Sydney, Australia.
In cats, mycobacteriosis tends to present in a syndromic manner, with cases either being due to tuberculosis (TB) (in countries where TB is endemic), one of the "leprosy-like" diseases affecting the skin and subcutis, panniculitis caused by infection of subcutaneous tissues generally with rapidly growing Mycobacteria spp. or widely disseminated granulomatous disease, which is usually caused by members of the Mycobacterium avium-intracellulare complex (MAC). Disseminated MAC disease is rare, but when it occurs, usually develops in immunocompromised hosts with defective cell-mediated immunity.
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