36 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... #Brain #differential ... #diagnosis #causes
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... - Differential ... Multiple Lytic Lesions ... #MSK #Differential ... #Orthopedics #Causes
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Audiogram - Perform MRI ... • Metabolic Causes ... hearing #subjective #Differential ... Diagnosis #Algorithm #Causes
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Periphyseal Edema (FOPE lesion ... Case description ... repeated follow-up MRI ... (save $$) Differential ... #clinical #mri
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... • MRI: Posterolateral ... hallucis longus Differential ... torn ligament on MRI ... osteochondral lesion
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... • Intrinsic Causes ... anterior horn gray ... #differential #
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... Toxins, Tamponade, Tension ... acute, massive MI ... #arrest #HsTs #Differential
Cortical Desmoid - MSK Radiology
Imaging Findings:
 • Circumscribed, small cortically based Tl -hypointense and T 2-hyperintense
Case description ... Differential diagnosis ... however sometimes MR ... MR is able to distinguish ... Desmoid #clinical #mri
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... WITHOUT Bankart lesion ... Differential diagnosis ... Reverse HAGL (RHAGL) lesion ... shoulder #clinical #mri
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... contractility) - Acute MI ... exacerbation (any cause ... tamponade - Tension ... DrEricStrong #Shock #Differential