Taenia solium (pork tapeworm, cysticercus)
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Introduction
The cysticercus (bladder worm) is the adult form of Taenia solium (C cellulosae).
Pathology
- infection with the adult worm leads to infection limited to the gastrointestinal tract
- infection with the eggs from the adult form leads to disseminated disease (cysticercosis)
- appears on biopsy as a translucent fluid-filled oval sac containing a single inverted scolex measuring 5 mm or more in diameter
* image[5]
Clinical manifestations
- symptoms are often produced when the organism dies, which evokes an inflammatory response
Laboratory
- biopsy
- Taenia solium serology
- Taenia solium antigen in stool
- Taenia solium larva DNA in CSF
- see ARUP consult[3]
More general terms
Additional terms
References
- ↑ Clinical Diagnosis & Management by Laboratory Methods, 19th edition, J.B. Henry (ed), W.B. Saunders Co., Philadelphia, PA. 1996, pg 1287
- ↑ Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 1224-25
- ↑ 3.0 3.1 ARUP Consult: Taenia Solium - Cysticercosis The Physician's Guide to Laboratory Test Selection & Interpretation https://arupconsult.com/content/cysticercosis
- ↑ Grimm L What's Eating You: 12 Common Intestinal Parasites. Medscape. November 25, 2019 https://reference.medscape.com/slideshow/intestinal-parasites-6010996
- ↑ 5.0 5.1 5.2 Lu VM, Saad AG, Shah AH Images in Neurology Histologic Anatomy of Neurocysticercosis. JAMA Neurol. Published online October 23, 2023. PMID: https://www.ncbi.nlm.nih.gov/pubmed/37870830 https://jamanetwork.com/journals/jamaneurology/fullarticle/2810536