Ringworm is a fungal infection of the skin previously thought to be due to a parasite (worm). The medical term for ringworm is tinea. The skin infections are sometimes characterized by round lesions in the upper layers of the skin. Fungi that cause ringworm are known as dermatophytes.
- Ringworm of the nails
People with diabetes; People with disease of the small blood vessels (peripheral vascular disease); and Women of any age who wear artificial nails (acrylic or “wraps”). Artificial nails increase the risk for onychomycosis because, when an artificial nail is applied, the nail surface is usually abraded with an emery board damaging it, emery boards can […]
- Riot control agent poisoning
rhinorrhea, burning, irritation, edema
- RIRS (retrograde intrarenal surgery)
Retrograde intrarenal surgery (RIRS) is a procedure for doing surgery within the kidney using a viewing tube called a fiberoptic endoscope. In RIRS the scope is placed through the urethra (the urinary opening) into the bladder and then through the ureter into the urine-collecting part of the kidney. The scope thus is moved retrograde (up […]
- Risk factor
Something that increases a person’s chances of developing a disease. For example, cigarette smoking is a risk factor for lung cancer, and obesity is a risk factor for heart disease.
- Risk of recurrence
The chance that a disease will strike again. In medical genetics, the chance that an inherited disease that is present in a family will recur in that family, affecting another person or persons.