Liver Flukes: Fasciola gigantica Flashcards

1
Q

Common name of Fasciola gigantica

A

Tropical Liver Fluke

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2
Q

Is the egg of Fasciola gigantica embryonated or unembryonated?

A

Unembryonated

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3
Q

T/F:

Unembryonated egg of Fasciola gigantica is slightly larger than F. hepatica

A

True

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4
Q

T/F:

In terms of its adult, F. gigantica is shorter than F. hepatica

A

False

(F. gigantica adult is longer than F. hepatica

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5
Q

It has less developed shoulders

a. F. gigantica
b. F. hepatica

A

A.

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6
Q

It has shorter cephalic cone

a. F. Hepatica
b. F. gigantica

A

B.

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7
Q

The cephalic cone of F. gigantica is longer or shorter?

A

Shorter

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8
Q

The intestinal ceca of F. gigantica is more branched or branched only?

A

More branched

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9
Q

1st IH of F. gigantica

A

L. auricularia
L. acuminata
L. natalensis

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10
Q

2nd IH of F. gigantica

A

Ipomea obscura (kangkong)
Nasturtium officinale (watercress)

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11
Q

Definitive/Final Host of F. gigantica

A
  • Sheep
  • Cattle
  • Man (Accidental host)
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12
Q

Habitat of F. gigantica

A
  • Biliary passages of liver
  • bile duct
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13
Q

MOT of F. gigantica

A

Ingestion of aquatic plants oor 2nd IH with encysted larva (metacercaria)

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14
Q

Diagnostic stage of F. giagntica

A

Unembryonated immature egg

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15
Q

Infective stage of F. gigantica

A

Metacercaria

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16
Q

Testis of F. giantica is branching in what form?

a. in tandem
b. oblique
c. simple

A

A

17
Q

Other name for F. gigantica

A

Giant Liver Fluke

18
Q

Specimen used to test F. gigantica

A

Stool

19
Q

Treatment for F. gigantica

A

Triclabendazole
Bithionol

20
Q

MOT of F. gigantica

A

Ingestion of undercooked or raw aquatic plants containing metacercaria

21
Q

F. gigantica Adult Morphology
- Longer but narrower
- Shorter Cephalic cone and less developed or prominent shoulders
- Ovary: branches are longer, branching, and more numerous

n/a

A
22
Q

F. hepatica and F. gigantica Life Cycle

A

same as F. hepatica

23
Q

Adult morphology of F. gigantica

A

● Finger-like appearance
● Elongated shape
● Long, large, flat body
● Has larger cephalic cone
● Shoulders are less formed

24
Q

Diagnosis of F. gigantica

A

● Patient history
● Serological and coprological methods
● ELISA and Western blot
● Identification of eggs in stool, duodenal or bile contents
● Radiological examinations (sonography, CT, ERCP)