University:
Eastern Kentucky University
Course:
BIO 273 | Clinical Microbiology
Academic year:

2022
Views:

353

Pages:

3
Author:

gewoekerdodx

Cestodes It includes following worms: 1. 2. 3. 4. Taenia Solium Taenia Saginata Diphyllobothrium Latum Echinococcus Granulosis Tae Taenia nia Soli Solium: um: Transmission: 1. Ingesting pork contaminated with encysted cysticerci a. Causes Taeniasis 2. Ingesting food or water contaminated with T. solium eggs a. Causes neurocysticercosis Diseases: 1. Taeniasis a. GI problems b. Malabsorption c. Caused by ingesting cysts or larvae 2. Neurocysticercosis a. Occurs when people ingest eggs in water contaminated with animal feces b. Leads to brain lesions, which is characterized by: 1. Seizures 2. Looks like Swiss cheese on head CT 3. Hydrocephalus Lab Diagnosis: 1. Stool O&P a. Hooks on proglottids Treatment: 1. Praziquantal 2. Albendazole a. For neurocysticercosis Tae Taenia nia Sag Saginata inata inata:: Transmission: Ingesting cattle meat contaminated with encysted cysticerci Diseases: Causes Taeniasis Lab Diagnosis: 1. Stool O&P a. No hooks seen on proglottids Treatment: Praziquantal Di hriu Diph ph phyl yllllo lobo bo bot o otthri th ium um La Lat at atum um um: m: 1. Fish tapeworm 2. Largest tapeworm a. Can grow up to 10m Transmission: Ingesting undercooked or uncooked fish Diseases: 1. Diarrhea 2. B12 (Cobalamin) deficiency a. Leads to megaloblastic anemia Lab Diagnosis: 1. Stool O&P a. Proglottid segments are seen Treatment: 1. Praziquantal 2. Niclosamide Ech Echinoco inoco inococcus ccus Gran Granulo ulo ulosis: sis: 1. Sheep tapeworm Transmission: 1. Intermediate host: Sheep 2. Definitive host: Dog 3. Incidental host: Human a. By ingesting food or water contaminated with dog feces Diseases: It causes Hydatid Cyst which is a Liver abnormality and has following features: 1. Looks like slow-growing tumor on imaging 2. Eggshell calcification in cyst on liver CT 3. Can cause severe anaphylactic reaction and acute abdomen when it ruptures a. Surgeons inject ethanol or hypertonic saline in the cyst to kill the cells before attempting to remove the cyst Lab Diagnosis: Eosinophilia