Schistosomiasis Flashcards
What causes shcistosomiasis?
Parasitic flatworm invades the urinary or intestinal tract
What are the three main species of flatworm?
.• S. mansoni
• S. japonicum
• S. haematobium.
How is schistosomiasis transmitted?
Fresh water snails
What are the main presentations of Schistosomiasis?
- Urticaria (rash)
- Swimmers itch
- Hepatosplenomegaly
- Eosinophilia
- Fever and arthralgia
- Diarrhoea and abdominal pain
What is the main method of diagnosis for schistosomiasis?
Microscopy
What would you see on microscopy of schistosomiasis?
Ova in urine or stool
What are other methods of investigation for schistosomiasis?
Eosinophilia
Serology
X-ray
What might you see on an x-ray of someone with schistosomiasis?
Calcification of eggs in the bladder
What is the management of schistosomiasis?
Praziquantel
What do Mansoni and Japonicum affect?
The intestine
What can mansoni and japonicum cause in the intestine?
Intestinal polyps
What does Haematobium affect?
The bladder
What can haematobium cause in the bladder?
Urinary obstruction
Polyps
Bladder cancer
What is the most severe complication of schistosomiasis?
Bladder cancer
What syndrome is associated with schistosomiasis?
Katayama syndrome
