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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
Q

attaches itself to the proximal part of the jejunum, the patient
is at risk for developing vitamin B12 deficiency

A

Tapeworm Infection

26
Q

Tapeworm Infection; treatment

A

Praziquantel, Niclosamide, Paramomycin

27
Q

Tapeworm Infection prevention

A

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
Q

ECHINOCOCCUS GRANULOSUS; commonly known

A

Dod/Hyatid Tapeworms

29
Q

considered as the smallest tapeworm

A

ECHINOCOCCUS GRANULOSUS

30
Q

larval form causes infection in the
human host

A

ECHINOCOCCUS GRANULOSUS

31
Q

● man is an accidental intermediate host

A

ECHINOCOCCUS GRANULOSUS

32
Q

ECHINOCOCCUS GRANULOSUS; Mode of
Transmission

A

Ingestion of embryonated egg

33
Q

ECHINOCOCCUS GRANULOSUS; Infective stage

A

Embryonated egg

34
Q

ECHINOCOCCUS GRANULOSUS; Diagnostic stage

A

Hyatid cyst

35
Q

ECHINOCOCCUS GRANULOSUS; Intermediate host

A

Man, sheep, goats, swine

36
Q

ECHINOCOCCUS GRANULOSUS; Definitive host

A

Dogs (canines)

37
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS; Has brown radially striated onchosphere or embryo sphere

A

EGG

38
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;Cannot be differentiated from Taenia spp

A

EGG

39
Q

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
A

LARVAL-
Hyatid Cyst

40
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;entire structure

A

Hydatid cyst-

41
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;within hydatid

A

Daughter cysts

42
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;lack a protective cyst wall

A

Brood capsules

43
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;components found in the fluid

A

Hydatid sand

44
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;Measures 2.5-9mm in length

A

ADULT

45
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;prominent rostellum with a double row of
20-40 large and small hooklets and a 4
“cup-like” suckers

A

Scolex (1)

46
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;- undifferentiated (2)

A

Immature proglottid

47
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;Consists of genital pore, ootype, ovary,
uterus, seminal receptacle, testes, vagina,
vas deferens, vitellaria, vitelline duct

A

Mature proglottid:

48
Q

MORPHOLOGY: ECHINOCOCCUS GRANULOSUS;- broadest and longest

A

Gravid proglottid

49
Q

ECHINOCOCCUS GRANULOSUS; Laboratory Diagnosis

A

● 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
Q

Hydatid Cyst, Hydatid Disease, Hydatidosis

A

Echinococcosis:

51
Q

○ Infected patients may experience discomfort varies

A

Echinococcosis:

52
Q

Rupture of a cyst

A

Echinococcosis:

53
Q

Suffer from anaphylactic shock, eosinophilia, and allergic
reactions, or even death

A

Echinococcosis:

54
Q

Suffering from E. granulosus lung infection may develop chest
pain, coughing, and shortness of breath

A

Echinococcosis:

55
Q

Liver involvement may result in obstructive jaundice

A

Echinococcosis:

56
Q

Echinococcosis: treatment

A

(1)Surgical removal of hyatid cyst (2)Mebendazole
(3)Albendazole (4)Praziquantel

57
Q

Echinococcosis: tprevention

A

(1)Practice good personal hygiene (2)Prevent dogs from
eating carcasses of sheep, cattle and swine

MP LAB (9 decks)

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