Rheumatoid arthritis (RA) is a common condition affecting around 1% of the population. Around 90% of patients with RA have cervical spine involvement with between 11% and 58% of these patients having neurological involvement.3,4 Many of these patients have cervical myelopathy.
Pinworms are a type of parasite that lives in the digestive system of humans. They are common throughout the world. Adult pinworms are about 0.5 in. (12.7 mm) long and look like little white threads. Pinworm eggs are so tiny, you'd need a microscope to see them.
Pinworms. Pinworms are the most common type of parasitic worm infection in the United States. These are small, white roundworms, roughly half an inch long; they are sometimes called threadworms. Pinworms live in the rectum and colon.t also lives in the intestines of other animals, including dogs, cats, cattle and deer. Giardiasis is the second-most common parasitic infection in the United States. Symptoms of Giardia infection include diarrhea, flatulence or passing gas, greasy bowel movements, abdominal cramps and stomach upset.