What are the requirements for a definitive diagnosis of T solium infection (tapeworm infestation)?

Updated: Apr 15, 2021
  • Author: Lisandro Irizarry, MD, MBA, MPH, FACEP; Chief Editor: Jeter (Jay) Pritchard Taylor, III, MD  more...
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Diagnosis is definitive in patients with either (1) one absolute criterion or (2) a combination of two major criteria, one minor criterion, and one epidemiologic criterion. Diagnosis is probable in patients who meet these criteria (1) one major criterion plus two minor criteria; or (2) one major criterion plus one minor criterion and one epidemiologic criterion; or (3) three minor criteria plus one epidemiologic criterion.

Ocular cysticercosis can be seen on ophthalmologic examination of the eye. Parasites may be seen in the posterior chamber of the eye.

Cysticercosis of the muscle and subcutaneous tissues can be palpated or seen on plain radiographs. Almost all patients with symptomatic muscle cysticercosis are reportedly from Asia.

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