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The infestation in humans by cysticerci of the genus Taenia.



a cestodiasis of man and animals.

In man, cysticercosis is caused by infestation with pork tapeworm larvae. The mature helminth is parasitic only in the small intestine, but its larvae, called cysticerci, are found in the muscles and subcutaneous and other tissues of swine and, less commonly, in other animals and in man (seeTAPEWORM INFECTIONS). The cysticerci usually lodge in the eye, brain, and spinal cord, beneath the skin, and in muscles. Accordingly, cysticercosis is manifested by headaches and, sometimes, by convulsions, mental disorders, and eye lesions. Treatment is surgical; that is, the cysticerci are removed. Anthelmintics are prescribed when the cysticerci are in the intestines.

Preventive measures include the regular sanitary inspection of meat, the detection and treatment of infested individuals, the provision of instruction in health education, the consumption only of thoroughly cooked pork, the observance of good personal hygiene, and the sanitary maintenance of cattle.

Cysticercosis in animals is caused by tapeworms of the genera Taenia and Taeniarhynchus of the family Taeniidae. Occurring everywhere, they infest goats, sheep, cattle, horses, swine, dogs, camels, and some rodent species. Mature helminths parasitize the intestines of carnivorous animals (seeTAPEWORM INFESTATION OF ANIMALS). Animals become infested by consuming feed or water contaminated by the eggs of the parasites. The cysticerci develop in the skeletal and masticatory muscles, heart, tongue, brain, and other organs and tissues. Signs of the disease are usually absent. Some cysticercal species kill sheep and rabbits. No treatment has yet been developed.

Preventive measures include the extermination of stray dogs, the worming of work dogs and the provision of heated living quarters, and the veterinary supervision of the slaughter of livestock, the disposal of measly organs, and the burial of carcasses.


Leikina, E. S. Vazhneishie gel’mintozy cheloveka. Moscow, 1967.
References in periodicals archive ?
Neurocysticercosis (NCC) is a parasitic infection of the central nervous system caused by the larval stage of the tapeworm Taenia solium, it is the most common parasitic disease worldwide especially in developing countries.1
Neurocysticercosis is typically first seen with seizures (70%-90% of acutely symptomatic patients) or headache.
Evaluation of the MTT lymphocyte proliferation assay for the diagnosis of neurocysticercosis. J.
Epilepsy and neurocysticercosis in an Andean community.
Neurocysticercosis: A review; Surg Neurol 2005;63:123-32
Patients with neurocysticercosis may be initially asymptomatic for many years and then present with varied nonspecific neurologic manifestations including headaches, confusion, ataxia, seizures, and meningismus.
Neurocysticercosis: association between seizures, serology, and brain CT in rural Peru.
Specific Taenia crassiceps and Taenia solium antigenic peptides for neurocysticercosis immunodiagnosis using serum samples.
Vosta-Vruz; ELISA and Western Blotting tests in the detection of IgG antibodies to Taenia solium metacestodes in serum samples in human neurocysticercosis, Tropical Medicine and International Healt: 5 (6), 443-449 (2000).
Immigrants, imaging, immunoblot: the emergence of neurocysticercosis as a significan public health problem.
CHICAGO -- Untreated central nervous system infection with the parasite neurocysticercosis may present as cognitive impairment ranging from mild deficit to full-blown dementia.