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.
Many people have pinworms and don't have any symptoms at all. 1  The most common symptom of pinworms is itching around the anus. 2  Pinworms can rarely migrate into the vagina or urinary tract causing irritation in these regions.  Pinworms do not cause abdominal pain, bloody bowel movements,fevers, or poor appetite.