Parasitic Infections

Question 1

Cysticercosis- Eti

Answer 1

T. Solium cysts from contaminated food. Mexico, C & S. America, Philappenes & SE Asia

Question 2

Cysticercosis- Sx

Answer 2

Calcified lesions in brain & spinal cord. Seizures, neuro defecits & psych disease

Question 3

Cysticercosis- Dx

Answer 3

CSE ELISA, CT or MRI for cysts

Question 4

Cysticercosis- Tx

Answer 4

Albendazole & corticosteroids

Question 5

Ascariasis- Eti

Answer 5

Ascarias lumbricodes. Consumption of eggs in contaminated food- hatch in sm. intestine, penetrate lungs and travel back GI tract

Question 6

Ascariasis- Sx

Answer 6

Asyomtomatic with light load. Heavy load- abd pain, obstruction of digestive ducts

Question 7

Ascariasis- Dx

Answer 7

Feces or worm emerges from mouth, nose or anus

Question 8

Ascariasis- Tx

Answer 8

Albendazole

Question 9

Hookworm- Eti

Answer 9

Ancylostoma duodenale & Necator americanus. Skin contact with warm soil- travel through vessels to lungs-> GI tract

Question 10

Hookworm- Sx

Answer 10

Rash at site of invasion, Resp issues durning larval migration, Epigastric pain, anorexia, diarrhea & anemia

Question 11

Hookworm- Dx

Answer 11

Ova in feces

Question 12

Hookworm- Tx

Answer 12

Albendazole

Question 13

Enterobiasis- Eti

Answer 13

Enterobius vermicularis AKA Pinworm. Person to person, food & fomites. Eggs deposited in perineum- common in children

Question 14

Enterobiasis- Sx

Answer 14

Perianal pruitis- excoriation and impetigo

Question 15

Enterobiasis- Dx

Answer 15

Tape on anus- microscopic examination for eggs

Question 16

Enterobiasis- Tx

Answer 16

Albendazole

Question 17

Trichanosis- Eti

Answer 17

Trichanella. Ingestion of undercooked pork. Travel through bloodstream and form cysts in muscles

Question 18

Trichanosis- Sx

Answer 18

Asymptomatic -> myalgia, periorbital edema, subconjunctival or retinal hemorrhage

Question 19

Trichanosis- Dx

Answer 19

Elevated serum muscle enzymes or ELISA

Question 20

Trichanosis- Tx

Answer 20

Albendazole, severe= supportive therapy

Question 21

Cutaneous Larvae Migrans- Eti

Answer 21

Dog & cat hookworms- SE USA. Migration of worm through skin- can’t complete lifecycle

Question 22

Cutaneous Larvae Migrans- Sx

Answer 22

Intensely pruitic, erythematous papules on hands & feet followed by serpegionus tracts

Question 23

Cutaneous Larvae Migrans- Dx

Answer 23

Characteristic appearance of lesions

Question 24

Cutaneous Larvae Migrans- Tx

Answer 24

Self clear, albendazole or topical thiabendazole

Question 25

Schistosomiasis- Eti

Answer 25

Fluke infection from water contact with snails- Africa, Arabia, S. America, Caribbean, SE. Asia. Invade skin- infects vessels and liver

Question 26

Schistosomiasis- Sx

Answer 26

Acute : fever, HA, myalgia, cough, urticaria, diarrhea, eosinophilia. Intestinal schistosomiasis: abd pain, diarrhea, and hepatomegaly, anorexia, weight loss, portal hypertension. Urinary schistosomiasis: hematuria and dysuria, hydroureter, hydronephrosis and urinary infections.

Question 27

Schistosomiasis- Dx

Answer 27

Ova in stool or urine, ELISA serology

Question 28

Schistosomiasis- Tx

Answer 28

Praziquantel

Question 29

Tapeworms- Eti

Answer 29

Beef, pork, fish & dwarf tapeworms. Ingestion for undercooked/ raw food. Dwarf is human to human

Question 30

Tapeworm- Sx

Answer 30

GI symptoms, anemia, abd. pain

Question 31

Tapeworm- Dx

Answer 31

Proglottids or eggs in stool

Question 32

Tapeworm- Tx

Answer 32

Praziquantel

Question 33

Scabies- Eti

Answer 33

Sarcoptes scabiei. Infested bedding or individual

Question 34

Scabies- Sx

Answer 34

Severe pruitis, pruetic excoriations, burrows in hand web spaces, elbows and axillae

Question 35

Scabies- Dx

Answer 35

Microscopic evaluation of org

Question 36

Scabies- Tx

Answer 36

Permethrin 5% cream, decontamination of household to prevent reinfection