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MP LAB > [5] Cestodes > Flashcards

[5] Cestodes Flashcards

1
Q

DIPHYLLOBOTHRIUM LATUM; Commonly known

A

Broadfish Tapeworms

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2
Q

DIPHYLLOBOTHRIUM LATUM; Mode of
Transmission

A

Ingestion of pickled or insufficiently
cooked fish

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3
Q

DIPHYLLOBOTHRIUM LATUM; Infective stage

A

Plerocercoid larva

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4
Q

DIPHYLLOBOTHRIUM LATUM; Diagnostic stage

A

Gravid proglottids, egg packets

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5
Q

DIPHYLLOBOTHRIUM LATUM; Intermediate host

A

Requires 2:

○ 1st = Copepods (Cyclops sp.,
Diaptomus spp.)
○ 2nd = Freshwater fish (Salmon,
trout, carp)

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6
Q

DIPHYLLOBOTHRIUM LATUM; Definitive host

A

Human , Piscivorous mammals (dog, cat,
pig, bears, leopards)

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7
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM; Yellowish brown; 55-76μm by 41-56μm

A

EGG

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8
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM; Immature when oviposited and becomes
embryonated upon contact with water

A

EGG

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9
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;consists of a ciliated larval stage known as a coracidium, surrounded by a smooth yellow to brown shell

A

EGG

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10
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM; operculum, consumes one end of the egg

A

EGG

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11
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM; A small but distinct terminal knob, also known as an abopercular knob, extends from the opposite
end of the egg

A

EGG

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12
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;measures 3-10 meters

A

ADULT

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13
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;3000 (no. of proglottids)

A

ADULT

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14
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;

A

Scolex

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15
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;

A
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16
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;

A

Scolex

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17
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM; Two deep dorsoventral suctorial grooves called

A

bothria

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18
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;Unsegmented

A

Neck

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19
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM;several times the length of the scolex

A

Neck

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20
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM; broader than long, hermaphroditic
○ dark rosette-like coiled uterus located at
the center

A

Mature

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21
Q

MORPHOLOGY: DIPHYLLOBOTHRIUM LATUM; same as mature proglottid

A

gravid

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22
Q

DIPHYLLOBOTHRIUM LATUM; laboratory diagnosis

A

Examining stool specimens
for the presence of the
characteristic eggs (acid
ether concentration
technique ) and/or, less
frequently, the proglottids

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23
Q

Fish Tapeworm Infection, Broad Fish

A

Diphyllobothriasis:

24
Q

digestive discomfort, overall weakness, weight loss, and
abdominal pain

A

Tapeworm Infection

25
attaches itself to the proximal part of the jejunum, the patient is at risk for developing vitamin B12 deficiency
Tapeworm Infection
26
Tapeworm Infection; treatment
Praziquantel, Niclosamide, Paramomycin
27
Tapeworm Infection prevention
Thorough cooking of all freshwater fish, avoid eating raw; Freezing of fish for 48 hours at a temperature of -10C; Proper treatment and disposal of sewage
28
ECHINOCOCCUS GRANULOSUS; commonly known
Dod/Hyatid Tapeworms
29
considered as the smallest tapeworm
ECHINOCOCCUS GRANULOSUS
30
larval form causes infection in the human host
ECHINOCOCCUS GRANULOSUS
31
● man is an accidental intermediate host
ECHINOCOCCUS GRANULOSUS
32
ECHINOCOCCUS GRANULOSUS; Mode of Transmission
Ingestion of embryonated egg
33
ECHINOCOCCUS GRANULOSUS; Infective stage
Embryonated egg
34
ECHINOCOCCUS GRANULOSUS; Diagnostic stage
Hyatid cyst
35
ECHINOCOCCUS GRANULOSUS; Intermediate host
Man, sheep, goats, swine
36
ECHINOCOCCUS GRANULOSUS; Definitive host
Dogs (canines)
37
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS; Has brown radially striated onchosphere or embryo sphere
EGG
38
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;Cannot be differentiated from Taenia spp
EGG
39
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS; Smeasures 20 cm in length - Has 2 layers 1. Outer laminated milky opaque non- nucleated layer 2. Inner nucleated germinal layer ○ will give rise to protoscolex or protoscoleces ○ give rise to brood capsules referred to as hydatid sand
LARVAL- Hyatid Cyst
40
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;entire structure
Hydatid cyst-
41
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;within hydatid
Daughter cysts
42
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;lack a protective cyst wall
Brood capsules
43
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;components found in the fluid
Hydatid sand
44
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;Measures 2.5-9mm in length
ADULT
45
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;prominent rostellum with a double row of 20-40 large and small hooklets and a 4 “cup-like” suckers
Scolex (1)
46
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;- undifferentiated (2)
Immature proglottid
47
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;Consists of genital pore, ootype, ovary, uterus, seminal receptacle, testes, vagina, vas deferens, vitellaria, vitelline duct
Mature proglottid:
48
MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;- broadest and longest
Gravid proglottid
49
ECHINOCOCCUS GRANULOSUS; Laboratory Diagnosis
● Serologic tests: indirect hemagglutination, ELISA, western blot test ● Presence of scolices, brood capsules, hydatid sand, or daughter cysts in the hydatid cyst fluid as detected by biopsy (not recommended because leakage of cyst fluid can cause anaphylaxis) ● X-ray examination, ultrasound scan, or CT detection of cyst mass in organ, especially if calcified
50
Hydatid Cyst, Hydatid Disease, Hydatidosis
Echinococcosis:
51
○ Infected patients may experience discomfort varies
Echinococcosis:
52
Rupture of a cyst
Echinococcosis:
53
Suffer from anaphylactic shock, eosinophilia, and allergic reactions, or even death
Echinococcosis:
54
Suffering from E. granulosus lung infection may develop chest pain, coughing, and shortness of breath
Echinococcosis:
55
Liver involvement may result in obstructive jaundice
Echinococcosis:
56
Echinococcosis: treatment
(1)Surgical removal of hyatid cyst (2)Mebendazole (3)Albendazole (4)Praziquantel
57
Echinococcosis: tprevention
(1)Practice good personal hygiene (2)Prevent dogs from eating carcasses of sheep, cattle and swine

MP LAB (9 decks)

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