5782 results
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
Mass Differential Diagnosis ... Pyogenic, Entamoeba histolytica ... #Differential #Diagnosis
Liver Abscess - Differential Diagnosis
Pyogenic:
 • Hepatobiliary
 • Colonic
 • Bacteremia
Entamoeba histolytica:
 • Fecal/oral
 • Colitis
- Differential Diagnosis ... Bacteremia Entamoeba histolytica ... #Differential #Diagnosis
Infectious Diarrhea - Laboratory Testing

Clostridium difficile
Salmonella enterica, Shigella spp, Campylobacter spp 
Salmonella enterica serovars Typhi and
botulinum Entamoeba histolytica ... trematodes (flukes) E. histolytica ... Infectious #Diarrhea #diagnosis
Differential diagnosis for pyogenic liver abscess:
Infectious etiologies predominate. Most are pyogenic (bacterial). Amebic (Entamoeba histolytica) and
Differential diagnosis ... Amebic (Entamoeba histolytica ... #Differential #diagnosis
Acute Diarrhea - Differential Diagnostic Algorithm
Watery/Large Volume (Small Bowel)
 • Viral
 • Bacterial (e.g. C peffrjngens,
- Differential Diagnostic ... E. histolytjca) ... #Differential #Diagnosis
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
- Differential Diagnosis ... Framework 1) Diagnostic ... parahaemolyticus, Entamoeba histolytica ... #Differential #Diagnosis
Important causes of diarrhea in people with HIV/AIDS
Severity, chronicity/persistence will depend On CD4 count & sites
Histolytica 5) ... #Differential #Diagnosis
Causes of Acute Infectious Diarrhea
Noninflammatory Diarrhea
Viral - Noroviruses, astrovirus, adenovirus, Rotavirus, sapovirus
Protozoal - Giardia lamblia, Cryptosporidium,
Protozoal - Entamoeba histolytica ... #differential #diagnosis
IBD Mimics
Infectious - Always RULE OUT infection (CMV, C. diff esp.) obtain travel & exposures history:
Amebiasis (E. histolytica ... #differential #diagnosis
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
and Entamoeba histolytica ... Campylobacter, Entamoeba histolytica ... etiology or E. histolytica ... Infectious #Diarrhea #diagnosis