Intestinal Nematodes - TRICHURIS TRICHIURA

Question 1

Whipworm

soil transmitted helminth

Answer 1

Trichuris trichiura

• LARGE intestine
• ingestion of embryonated eggs

Question 2

Diagnostic test for Trichuris trichiura

Answer 2

Direct Fecal Smear
Kato-Katz Technique
*LEMON SHAPED or BARREL SHAPED eggs w/ bipolar plugs/football shaped eggs

Question 3

Pathogenesis of Whipworm

Answer 3

burrow their hairlike anterior ends into the intestinal mucosa

does NOT cause significant anemia

Question 4

Spectrum of Disease (Whipworm)

Answer 4

Diarrhea

RECTAL PROLAPSE - d.t. increased peristalsis to expel worms

ulcerative colitis

Question 5

Treatment for Whipworm

Answer 5

Mebendazole