Answer to Case 523
Answer:Acanthamoebasp. cysts and trophozoite.Wow, I really enjoyed reading the comments on this case! If you haven ' t already, I encourage you all to ready the holiday tale ofAscaris suum(a.k.a.Ascaris lumbricoides) by Old One. The story confirmed my suspicions of why we see so many cases of human ascariasis in patients from the Midwestern United States who haven ' t traveled internationally. The pigs are loaded with them!The comments also nicely describe the differences between the cysts and trophozoites of the free-living amebae that most commonly cause human disease:Acanthamoebaspecies,Balamuthia mandrillaris,andNaegle...
Source: Creepy Dreadful Wonderful Parasites - December 16, 2018 Category: Parasitology Source Type: blogs
Tropical Travel Trouble 004 Bloody Diarrhoea
LITFL • Life in the Fast Lane Medical Blog LITFL • Life in the Fast Lane Medical Blog - Emergency medicine and critical care medical education blog
aka Tropical Travel Trouble 004
A medical student who has just returned from their elective in Nepal presents with 1 week of bloody diarrhoea. He has been in the lowlands and stayed with a family in the local village he was helping at. It started three days before he left and he decided to get home on the plane in the hope it would settle. He is now opening his bowels 10x a day with associated cramps, fevers and has started feeling dizzy.
Questions:
Q1. What is dysentery ...
Source: Life in the Fast Lane - March 12, 2018 Category: Emergency Medicine Authors: Neil Long Tags: Clinical Cases Tropical Medicine amoebic dysentery bacillary dysentery e.histolytica entamoeba histolytica shigellosis Source Type: blogs
Answer to Case 274
Answer: Ascaris lumbricoidesAlthough I didn't show you a close up of the worms in this surgical container, the size and gross morphology are most consistent with the large nematode Ascaris lumbricoides. Small bowel obstruction is a dreaded complication of Ascaris infection, made possible by the large size of the worms and smaller diameter of the small bowel. Hans found a link to a very interesting (and somewhat disturbing) YouTube video of a surgery for obstruction due to ascariasis:http://www.youtube.com/watch?v=N4BlCBylUU0BHS mentions that Ascaris suum could also be in the differential if the patie...
Source: Creepy Dreadful Wonderful Parasites - September 16, 2013 Category: Pathologists Source Type: blogs
Ascaris Lumbricoides
The answer to yesterday's Image Challenge was #1 - Ascariasis
Ascaris lumbricoides worms were causing intestinal obstruction in this child from Kenya. After the intestine blockage was removed, the child recovered.
Ascariasis is a disease caused by roundworms. The parasite, Ascaris lumbricoides is one of the most common infections in the world and it affects up to one fourth of the worlds (Source: EverythingHealth)
Source: EverythingHealth - March 2, 2013 Category: Consumer Health News Authors: Toni Brayer, MD Source Type: blogs
Image Challenge
In keeping with our GI theme this week, I present to you this image challenge from the New England Journal of Medicine. This is a loop of bowel removed from a child from Kenya. In case you aren't familiar with the appearance of bowel, I can tell you this is not normal. What is the diagnosis?
Make your best guess in the comment section and I will post the answer tomorrow.
1. Ascariasis
2 (Source: EverythingHealth)
Source: EverythingHealth - February 27, 2013 Category: Consumer Health News Authors: Toni Brayer, MD Source Type: blogs
