Streptococcus sanguinis Endocarditis of Bicuspid Aortic Valve Presenting as Septic Arthritis of Lumbar Facet Joint.

Septic arthritis of the facet joint (SAFJ) is an uncommon etiology of low back pain that usually affects the elderly population and immunocompromised patients but is rare in immunocompetent and young patients. When such a clinical presentation occurs, it is imperative to diagnose the source of the infection. We report a case of septic arthritis of the left third and fourth lumbar vertebrae facet joint due to in a young immunocompetent adult, and the source of infection was found to be subacute infective endocarditis of a bicuspid aortic valve which was undiagnosed till now.

Cutaneous Blastomycosis Mimicking Breast Malignancy.

Blastomycosis is a fungal infection caused by . While blastomycosis can cause systemic infection affecting multiple organs, localized blastomycosis of the breast is uncommon. Here, we report the case of a 50-year-old female with a localized left breast growth which started as a nodule and later ulcerated extensively.