Schistosomiasis Flashcards
Bilharziasis is a chronic infective granulomatous disease caused by ?
Schistosoma infection
Schistosoma hematobium: affects ?
genitourinary system.
Schistosoma mansoni: affect ?
digestive system (LI).
Schistosoma japonicum: affects the ?
digestive system (SI)
ova mainly deposited in the ?
submucosa
Recurrent bleeding due to injury by the ?
spines of ova
injury by the spines of ova leads to ?
anemia
Ova of S. hematobium (oval with terminal spine) pass in urine lead to ?
Terminal hematuria
Ova of S. mansoni (oval with lateral spine) pass in stools ?
bleeding per rectum
Ova of S. japonicum (round with small lateral spine) pass in stools ?
bleeding per rectum
Some ova may be trapped in the wall of ?
bladder or intestine
Some ova may be carried in blood and become trapped in ?
lungs, liver
The granuloma is formed of ?
1- Bilharzial Ova
2- Macrophages, lymphocytes, plasma cells, and large number of
Eosinophils
3- Fibroblasts
Bilharziasis Of The Urinary Bladder (Bilharzial Cystitis) Infection with ?
Schistosoma hematobium
Bilharzial lesions in the urinary bladder are ?
1- Mucosal Hyperemia
2- Sandy Patches
3- Bilharzial Ulcers
4- Bilharzial Polyps