10 Questions
What is the size range of the male Trichuris trichiura whipworm?
40 - 45 mm
Which region of the body does the female Trichuris trichiura whipworm predominantly inhabit?
Colon
What is the characteristic shape of the female Trichuris trichiura whipworm's posterior end?
Straight
Which medication is commonly used for the treatment of Trichuris trichiura infection?
Albendazole
How is the diagnosis of Trichuris trichiura infection typically confirmed?
Stool examination
What is the characteristic structure of the male Trichuris trichiura whipworm's tail?
Coiled
How is the female Trichuris trichiura whipworm's body shaped?
Barrel-shaped
Which part of the Trichuris trichiura egg is described as having a plug-like thickening?
Lateral side
What is a common symptom associated with Trichuris trichiura infection?
Diarrhea
Which technique is typically used for the concentration of stool samples in diagnosing Trichuris trichiura infection?
Kato Katz method
Study Notes
Characteristics of Trichuris trichiura (Whipworm)
- Found in the large intestine (ileo-cecal region)
- Male worms: 30-45 mm in length, with a coiled tail that curves strongly at the posterior end (360º)
- Female worms: 35-50 mm in length, with a straight posterior end
- Whip-like body: thin anterior 2/3 and thick posterior 1/3
- Body shape: barrel or football-shaped, with refractile “bi-polar plugs” prominences
- Egg shape: lemon-shaped or Chinese lantern-shaped, 50-54 µm in size
- Eggs are single-celled and unembryonated, with lateral plug-like thickening
Symptoms and Diagnosis
- Symptoms: rectal prolapse, bloody diarrhea, anemia
- Treatment: Albendazole, Mebendazole
- Infection route: ingestion of embryonated ova/eggs
- Diagnosis: detection of ova in stool through stool examination (DFS) using 2 mg of stool, with concentration techniques such as Kato-Katz and Kato thick FECT
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