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.
Also called measuring worms, spanworms, loopers and cankerworms, inch worms are larvae, and are usually considered pests because of the damage they inflict on trees, plants and shrubs. Inch worms measure about 1 cm. in length, and can be pale green, reddish-green, dark brown or black. The head is pale to dark green, and is frequently covered with black spots. Pale lines run down the length of the body, and a dark stripe runs down the back.