Systemic candidiasis, also referred to as invasive candidiasis, is a life-threatening fungal infection primarily caused by Candida species, most commonly Candida albicans, C. glabrata, C.…
Systemic anaplastic large cell lymphoma (sALCL) is a rare but aggressive subtype of non-Hodgkin lymphoma (NHL), classified under mature peripheral T-cell lymphomas. It is characterized…
Syphilis is a chronic, systemic sexually transmitted infection caused by the spirochete bacterium Treponema pallidum. The disease progresses in distinct clinical stages, each with its…
Synovitis due to osteoarthritis represents a secondary inflammatory process within the synovial membrane triggered by mechanical and biochemical degeneration of articular cartilage. While osteoarthritis (OA)…
Synovitis refers to the inflammation of the synovial membrane, a specialized connective tissue lining the inner surface of joints and tendon sheaths. This condition results…
Synovial sarcoma is a rare and aggressive soft tissue malignancy that arises from mesenchymal cells. Despite its name, it does not originate from synovial tissue…
Streptococcal endocarditis, a subset of infective endocarditis (IE), predominantly affects native heart valves and is most commonly caused by viridans group streptococci (VGS), Streptococcus bovis,…
Staphylococcus aureus pneumonia is a severe respiratory infection that frequently leads to complications such as necrotizing pneumonia, bacteremia, and respiratory failure. The prevalence of both…
Staphylococcus aureus, particularly methicillin-resistant Staphylococcus aureus (MRSA), is a leading cause of skin and skin structure infections (SSSIs), encompassing cellulitis, abscesses, wound infections, and impetigo.…
Staphylococcal septicemia, caused predominantly by Staphylococcus aureus, is a life-threatening bloodstream infection marked by rapid progression to sepsis, organ dysfunction, and high mortality rates. The…