13. Taenia teniaeformis - Strobilocercus fasciolaris

Question 1

IH of Tenia taeniaeformis

Answer 1

rodent

Taenia taeniaeformis is a feline tapeworm

Question 2

FH of Tenia taeniaeformis

Answer 2

cats

Question 3

Location of Tenia taeniaeformis

Answer 3

IH: liver
FH: SI

Question 4

morphology Tenia taeniaeformis

Answer 4

Up to 60 cm, scolex with 4 suckers, rostellum with 2 rows of 30-40 hooks

Question 5

LC of Tenia taeniaeformis

Answer 5

1. Adult taenia are attached to SI of FH. Mature egg-containing proglottids are released and shed in feces.
2. Eggs are released from proglottids and ingested by IH
3. oncosphere hatch from the egg & migrate through the liver tissue to encyst in the peritoneal membranes
4. Ocosphere develop into Strobilocercus fasciolaris
5. FH ingest infected IH with Strobilocercus fasciolaris
6. Attach to SI mucosa and mature to adults

Question 6

Pathogenesis / CS of Tenia taeniaeformis

Answer 6

IH: migrating larvae cause liver damge, formation of strobilocercus, hepatic fibrosis, necrosis or inflammation around cysts

FH: usually asymptomatic. mild irritation of intestinal mucosa, mild enteritis, soft stool or intermittent diarrhea, poor coat condition or slightly weight loss, proglottids visible in feces/around anus.

Question 7

Dx of Tenia taeniaeformis

Answer 7

IH: necropsy
FH: flotation

Question 8

TX of Tenia taeniaeformis

Answer 8

IH: none
FH: praziquantel

Question 9

Control of Tenia taeniaeformis

Answer 9

limit cats access to rodents, rodent control, regular deworming of cats

Question 10

Metacestode of taeniataeniaeformis is called:

Answer 10

Strobilocercus fasciolaris