Punctate foci are 'lesions' on the brain, typically caused by unknown trauma to the brain or conditions where demyelination of brain tissue occurs. Punctate foci are identified by brain MRI, with and...
Adults who have hemorrhoids, anal fissure, or persistent diarrhea may notice itching around the anus (called "pruritus ani"). In children, itching in this area is most likely due to worms.