LYCOS RETRIEVER 
Cysticercosis: Taenia Solium
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Cysticercosis is the infestation by Cysticercus cellulosae, the larval form of the pork tapeworm Taenia solium. It is contracted by ingestion of uncooked pork, vegetables or water contaminated with the eggs of Taenia solium. Common sites of involvement are the central nervous system, subcutaneous tissue, skeletal muscle, heart muscle and eye. Extraocular muscle cysticercosis is rare. It can involve mainly pediatric and young adult population.[2] Based on the muscle involved, it can have presentations like Duane retraction syndrome, double depressor palsy ophthalmoplegias and Brown syndrome.[3] A high index of suspicion should be entertained for extraocular muscle cysticercosis in every case of recently acquired extraocular motility disorder. Imaging studies like orbital ultrasound, CT scan or Magnetic Resonance Imaging (MRI)[4] reveal the presence of a well defined hyperdense or hyperintense cystic lesion with a scolex within the extraocular muscle.
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Cysticercosis occurs when Taenia solium eggs enter the stomach. This can be from food or water contaminated with infected human fecal material. Also, people with adult tapeworms in their small intestine (taeniasis) can autoinfect themselves with cysticercosis by vomiting, which pushes eggs into the stomach. When the eggs return to the intestines, the worms hatch and migrate into the skeletal muscles, heart, eyes and even the brain and spinal cord. Once there, they form small encapsulated cysts containing the worm.
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Cysticercosis is caused by the cestode parasite, Taenia solium (pig tapeworm). Cysticercosis is contracted by ingesting eggs from the feces of a person infected with an adult Taenia solium. The eggs can survive for several weeks in soil but are ... infectious as soon as passed. The larvae migrate through the intestinal wall and are disseminated via the blood stream and can encyst in the brain, heart, skeletal muscle, or skin.
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INTRODUCTION — Cysticercosis is caused by the larval stage of Taenia solium, the pork tapeworm. Clinical syndromes related to this parasite are divided into neurocysticercosis (NCC) and extraneural cysticercosis. The most common presenting symptom of NCC is seizures.
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Human cysticercosis occurs when man becomes the intermediate host by being infested with eggs of Taenia solium. Diagnosis is based on combination of direct visualization, histology, serology and imaging techniques. Use of single diagnostic modality has low sensitivity.[1] Diagnosis of cysticercosis is important due to a probable involvement of the central nervous system.[2]
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Taenia Solium