PARA LAB - Taenia species Flashcards
CN T. saginata
beef tapeworm
CN T. solium
pork tapeworm
FH of Taenia spp
man
Habitat of Taenia spp
small intestine
IH of T. saginata
cattles (cows)
IH of T. solium [2]
pigs or man
MOT of Taenia spp
Ingestion
pork infected with T. solium larva
measly pork
IS of T. saginata
cysticercus bovis
IS of T. solium
cysticercus cellulosae
embryonated egg
Scolex of T. saginata [shape and describe rostellum]
cuboidal scolex with 4 suckers
unarmed [no rostellum]
does T. saginata have rostellum
no
Scolex of T. solium [shape and describe rostellum]
globular
armed rostellum with 25 - 30 hooklets
length of T. saginata
4-10 m in length, up to 25 m
length of T. solium
2-3 m up to 8 m
longer Taenia
T. saginata
shorter Taenia
T. solium
gravid proglottid describe length/width of T. saginata
longer than wide [slim]
gravid proglottid describe length/width of T. solium
wider than tall [chubby]
describe segments [appearance and number] of T. saginata
tree-like uterine segments or uterine branches [15-20]
describe segments [appearance and number] of T. solium
5 to 3 LATERAL uterine branches
finger-like or dendritic
detachment of T. saginata
apolytic
detachment of T. solium
apolytic
Taenia eggs: w/ or w/o species ID
w/o species ID
Describe Taenia eggs
thick and striated
spherical
with oncosphere or hexacanth embryo
hexacanth embryo contains how many hooklets
6
the thick striated layer in the Taenia egg
embryophore
larva of T. solium
cysticercus cellulosae
larva of T. saginata
cysticercus bovis
disease by T. saginata
Taeniasis saginata
disease by T. solium
Taeniasis solium
S/S of Taeniasis saginata [4]
[CAHA]
asymptomatic, abdominal pain, hunger pangs, chronic indigestion
S/S of Taeniasis solium
nonspecifc S/S: chronic indigestion, abdominal pain
disease by T. solium when the measly pork is ingested
Taeniasis solium
disease by T. solium when the EE is ingested
Cysticercosis
disease wherein larva is in the brain
neurocysticercosis
most common parasitic infection of the CNS
neurocysticercosis
Manifestation of cysticercosis:
blindness and epilepsy
disease unique to T. solium
neurocysticercosis
diagnosis using eggs
stool exam
diagnosis using the proglottid AND eggs
perianal swab, scotch tape swab
technique in dx for proglottids
double slide compression technique
in the double slide compression technique, the india ink or carmine dye is injected where
via the genital pore
in the taenia spp. 1 proglottid has how many genital pore/s
1
in the double slide compression technique, _____ is used to visualize the uterine branches
carmine dye or india ink
for the recovery of eggs and proglottid
perianal swab
diagnosis of cysticercosis [3]
CT Scan, Xray, Western blot
dx: detects Ab against cysticercosis
Western Blot
treatment for T. saginata
PZQ or Niclosamide
treatment for T. solium
PZQ or Niclosamide
Surgery for cysticercosis
criteria for cure of taenia spp [2]
recovery of scolex
negative stool exam 3 months after treatment