11 results
Echinococcus Life Cycle
1) Adult in small intestine eggs
2) Embryonated egg in feces
3) Oncosphere hatches; penetrates intestinal
2) Embryonated egg ... #Echinococcus #LifeCycle ... infectiousdiseases #cdc
Echinostomiasis - Echinostoma Life Cycle
1) Unembroynated eggs passed in feces
2) Embryonated eggs in water
3) Miracidia hatch
7) Excyst in duodenum ... #Echinostoma #LifeCycle ... infectiousdiseases #cdc
Ascaris lumbricoides - Ascariasis Life Cycle
1) Adults in small intestine
2) Fertilized egg - Unfertilized egg (will
2) Fertilized egg ... - Unfertilized egg ... 3) Embryonated egg ... lumbricoides #Ascariasis #LifeCycle ... infectiousdiseases #cdc
Clonorchiasis - Clonorchis sinensis Life Cycle
1) Embryonated eggs passed in feces.
2) Eggs ingested by the snail
5) Excyst in duodenum ... Clonorchis #sinensis #LifeCycle ... infectiousdiseases #cdc
Aortoenteric Fistula - Diagnosis and Management Summary
Epidemiology:
• Uncommon but life-threatening
• Most common site of bowel connection
connection is the duodenum ... Sensitivity of EGD ... - If negative, EGD ... of the distal duodenum ... - CMC IM Residency
Liver Abscess on POCUS
24yo healthy F to ED w/rigors &DCed. 2/2 blood cx + for fusobacterium,
Liver Abscess on POCUS ... 24yo healthy F to ED ... asymptomatic, CBC ... Abscess #Hepatic #POCUS
Fasciola hepatica - Liver Fluke Life Cycle - Fascioliasis 
Ruminants are the typical definitive hosts.
1) Unembroynated
flukes excyst in duodenum ... hepatica #LiverFluke #LifeCycle ... infectiousdiseases #cdc
Strongyloides Stercoralis
EPIDEMIOLOGY - ASSOCIATED WITH SOUTHEASTERN U.S.:
 • 0-6% US Prevalence of those:
 • ~30% Asymptomatic
larvae in stool or duodenal ... ; intermittent egg ... parasites #Threadworm #lifecycle
Clonorchis sinensis (Chinese or oriental liver fluke) Life Cycle

The trematode Clonorchis sinensis (Chinese or oriental liver
excyst in the duodenum ... sinensis #liverfluke #LifeCycle ... #Parasite #CDC
Adenomatous Polyposis Syndromes:  Familial Adenomatous Polyposis (FAP), Attenuated FAP (AFAP), MUTYH associated polyposis (MAP)
✓ Genetic
+ Duodenal (ampullary ... adenomas → 100% CRC ... proximal or distal end ... have > 100 - CRC ... Slight ↑ CRC) →