Ribka Ayana

All articles by Ribka Ayana

Spirochete infections

Spirochete infections I. Introduction Spirochetes are a group of six genera of spiral-shaped, slender bacteria of varying length. They are either free-living or host-associated. They are found in the human oral cavity, gastrointestinal tracts of humans, mammals, insects, and in marine environments. The most significant spirochetal infections for human disease are Borrelia burgdorferi (Lyme disease),…

Behcet's syndrome

Behcet's syndrome I. What every physician needs to know. Behcet’s syndrome (BS) is a rare, chronic, relapsing multisystem vasculitis affecting arteries and veins of all sizes. Recurrent, painful mucocutaneous ulcers are the hallmark of the disease and often precede other manifestations. Other systems involved include ocular, skin, gastrointestinal tract, pulmonary, vascular, nervous system, and musculoskeletal.…

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