Of the many parasitic infestations involving worms, pinworms are the most prevalent form of worm infestation. They affect approximately 200 million people all over the world, one-third of which can be found in the United States. Genus Enterobius or pinworm, is a parasitic roundworm belonging to the phylum Nematoda.
An enlarged spleen is not normal and occurs as a consequence of another underlying disease. An enlarged spleen is caused by infections (mononucleosis, toxoplasmosis, endocarditis); liver diseases (cirrhosis); cancer; inflammatory diseases (rheumatoid arthritis, sarcoidosis); trauma; and. infiltrated diseases (Gaucher disease, amyloidosis).
Like any other organ in the body, spleen is also susceptible to various diseases and infections. These conditions can cause enlargement of this organ, which is referred as splenomegaly. This disorder can seriously impede the myriad functions of spleen in the body.