Hymenolepiasis is infestation by one of two species of tapeworm : Hymenolepis nana or H. Alternative names are dwarf tapeworm infection and rat tapeworm infection. The disease is a type of helminthiasis which is classified as a neglected tropical disease. Hymenolepiasis does not always have symptoms, but they usually are described as abdominal pain, loss of appetite , itching around the anus, irritability, and diarrhea. However, in one study of 25 patients conducted in Peru, successful treatment of the infection made no significant difference to symptoms. Symptoms in humans are due to allergic responses or systematic toxaemia caused by waste products of the tapeworm.
Hymenolepis nana is the most common tapeworm in humans. It is also known as the dwarf tapeworm due to its particularly small size adults are only 15—40 mm long. The disease, hymenolepiasis is found worldwide. In temperate zones children and institutionalized people are infected more often. The disease is somewhat common in the eastern Europe.
Scientists at the Centers for Disease Control and Prevention have discovered cancer cells originating in a common tapeworm may take root in people with weakened immune systems, causing cancer-like tumors. It is the first known case of a person becoming ill from cancer cells that arose in a parasite — in this case, Hymenolepis nana, the dwarf tapeworm. The report, in the Nov. However, this tapeworm is found worldwide and millions of people globally suffer from conditions like HIV that weaken their immune system. So there may be more cases that are unrecognized.
To browse Academia. Skip to main content. Log In Sign Up.
The support team is beyond polite and professional and their writers seem to follow customer’s guidelines with accuracy! My book review arrived on time and I’ve found nothing wrong with the writing or with the formatting.