Parasite Hints, Ectoparasites Flashcards
1
Q
what organism is associated with biliary tract disease, cholangiocarcinoma?
A
- Clonorchis sinensis
2
Q
what organism is associated with brain cysts, seizures?
A
- Taenia solium (neurocysticercosis)
3
Q
what organism is associated with hematuria, squamous cell bladder cancer?
A
- Schistosoma haematobium
4
Q
what organism is associated with liver (hydatid) cysts?
A
- Echinococcus granulosus
5
Q
what organism is associated with microcytic anemia?
A
- Ancyclostoma
- Necator
6
Q
what organism is associated with myalgias, periorbital edema?
A
- Trichinella spiralis
7
Q
what organism is associated with perianal pruritis?
A
- Enterobius
8
Q
what organism is associated with portal hypertension?
A
- Schistosoma mansoni
- Schistosoma japonicum
9
Q
what organism is associated with vitamin B 12 deficiency?
A
- Diphyllobothrium latum
10
Q
name the 3 ectoparasites and what they cause
A
- Sarcoptes scabiei–scabies
- Pediculus humanus/Phthirus pubis–lice
11
Q
properties of scabies (Sarcoptes scabiei)
A
- mites that burrow into the stratum corneum and cause pruritis
- causes serpiginous burrows (lines) in webspace of hands and feet
- common in children, crowded populations (jails, nursing homes)
- transmission thru fomites
12
Q
Scabies–treatment
A
- permethrin cream
- washing/drying all clothing/bedding
- treat close contacts
13
Q
properties of lice (Pediculus humanus/Phthirus pubis)
A
- blood sucking insects that prefer to live on clothing
- cause intense pruritis, pink macules and papules common in intertriginous regions
- can transmit Rickettsia prowazekii (typhus), Borrelia recurrentis (relapsing fever), Bartonella quintana (trench fever)
14
Q
Lice–treatment
A
- pyrethroids, malathion, or ivermectin lotion
- nit combing
- children with head lice can be treated at home without interrupting school
