16 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
- Differential ... Papules & Mucosal Lesions ... Septic Bursitis • Abscess ... #Infectious #JointPain ... #MSK #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential ... Diagnosis Algorithm ... blood vessels • Abscess ... #Vascular #JointPain ... #MSK #Differential
Liver Abscess - Differential Diagnosis
Pyogenic:
 • Hepatobiliary
 • Colonic
 • Bacteremia
Entamoeba histolytica:
 • Fecal/oral
 • Colitis
Liver Abscess - ... Differential Diagnosis ... • Stool O+P, PCR ... if rupture • MRI ... US, serology • PAIR
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Trigonum) Syndrome - MSK ... hallucis longus Differential ... diagnosis for similar ... osteochondral lesion ... #msk
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... adolescent knee pain ... (save $$) Differential ... #clinical #mri ... #msk
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Pleuritic chest pain ... stable residual lesion ... Differential Diagnosis ... #pulmonary #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
constipation Differential ... Diagnosis: • ... Spinal infection/abscess ... Imaging studies: • MRI ... #diagnosis #causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... tuberculomas, or abscesses ... CNS #Infections #differential
Mucoid Degeneration of the ACL
Imaging Findings:
 • T2-hyperintense fluid-signal within the enlarged ACL on both the
mucinous signal on MRI ... present with chronic pain ... Differential Diagnosis ... knee #clinical #mri ... #msk