Trematodes Flashcards Preview

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Flashcards in Trematodes Deck (19):
1

Infective stage: cercariae
Dx stage: eggs in feces

S. Japonicum

2

Circumoval precipitin test
Ovoid egg with small hook

S. Japonicum

3

Swimmer's itch
Katayama fever

S. Japonicum

4

Endemic areas of s. Japonicum

Except misamis oriental all of mindanao
Sorsogon
Samar leyte
Oriental mindoro
Bohol

5

Ttt of trematodes

Praziquantel

6

Resembles TB
Ring shadow opacity on cxr

Paragonimiasis

7

Infective stage: metacercariae
Dx stage: unembryonated egg
Dx: 3% naOh prep

Paragonimus westermani

8

Intermediate host
Snail
Mountain crab

Paragonimus westermani

9

Trematode that can cause chronic biliary dse

Clonorchis sinensis

10

Dx: potassium permanganate stain
Melon like ridges

Clonorchis sinensis

11

Transmission: raw fish
Infective st: metacercariae
Dx stage; embryonated egg

Clonorchis sinensis

12

Cholangiocarcinoma due to clonorchis

Klatskin's tumor

13

Obstructive jaundice and painful pharyngitis

Halzoun
Fasciola hepatica

14

Sheep liver fluke
Transmitted by eating watercress

Fasciola hepatica

15

Intestinal fluke
Mimics peptic ulcer dse

Heterophyes heterophyes

16

Schistosoma with terminal spine

S. Haematobium

17

Schistosoma with lateral spine

S. Mansoni

18

Schistosoma with barely visible spine

S. Japonicum

19

Intermediate host: oncomelania quadrasi

S. Japonicum