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Block 10; Week 5-M > Pictures > Flashcards

Flashcards in Pictures Deck (19)
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1

What is shown here? 

these creamy white plaques in the distal esophagus look like thrush a little & are suggestive of infectious esopaghitis.

2

What is shown here? 

this is a methenamine silver stain of the mucosal tissue of the esophagus

pseudohyphae are seen.

suggestive of candida albicans infectious esophagitis

3

What is shown here? 

peptic ulcer 

possibly due to H. Pylori infection

pt will probably present with epigastric pain

4

A kid eats potato salad & has N/V a little diarrhea. What's the diagnosis?

staph aureus food poisoning

rehydrate the kid!

5

What is this? Poor kid ate fried rice & had vomiting 3 hours later.

Bacillus cereus food poisoning

6

What is this? poor kid presented to ER w/ nausea & diarrhea after eating something funny.

 Clostridium perfringens

gram + rods

7

What is this? 


§Giardia lamblia (also called G. intestinalis) is a flagellated protozoan with a trophozoite  (growing form) and a cyst (enviromental resistant form)
 

8

What is this? 

giardia

9

What is this?

cryptosporidosis

C. parvum infection

10

What is this?

cryptosporidosis

C. parvum infection

11

What is this?

cryptosporidosis

C. parvum infection

on Kinyoun acid fast stain

12

What is this? 


§Clostridium difficile is an anaerobic gram-positive, spore-forming rod
 

13

What is shown here?

pseudomembranous colitis (a type of inflammatory enterocolitis)

caused by C. diff

14

WHat is shown here?

pseudomembranous colitis on sigmoidoscopy

secondary to C diff infection

15

What is shown here?

shallow ulcers from C. diff toxins that depolymerize actin filaments & cause cells to detach & round up in the gut

C. diff inflammatory gastroenteritis

16

WHat is shown here?

campylobacter jejuni, bacterial dysentery

17

What does this show?

microscopy here reveals trophozoites w/ ingested RBCs

this can be used to diagnose E. histolytica amebiasis

18

WHat does this show? 

flask-shaped ulcer

parasite releases cytotoxins that destroy leukocytes

 

characteristic of amebiasis

19

A 45-year-old migrant worker originally from Guatemala is evaluated for right upper quadrant pain, fever, and hepatic tenderness. He has had nausea and vomiting, but no diarrhea. Of note, he has been in the United States for approximately 10 months and was well until approximately 8 days ago. He reports a weight loss of 20 lbs. CBC reveals leukocytosis. He is found to have a large hepatic abscess on CT scan of the abdomen. Workup & diagnosis?

Amebiasis

Stool antigen test for Entamoeba histolytica was negative, but serum antibody was positive. The patient was treated with tinidazole and his symptoms began to resolve in less than a week. 

If liver abscess were >12 cm, surgical aspiration may have been required