21 results
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
the knee in neutral ... : Posterior drawer ... positive with the knee ... #MSK #Sports #pathophysiology ... classification #diagnosis
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
The "double PCL ... Case description ... Differential diagnosis ... BucketHandle #Tear #knee ... #mri #clinical
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... Diagnosis Framework ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... , Posterior Synechiae
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... Case description ... hallucis longus Differential ... diagnosis for similar ... Trigonum #OsTrigonum #Syndrome
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... Diagnosis and Screening ... CT or MRI scan of ... #Diagnosis #Causes ... Screening #Workup #table
Shock - Differential Diagnosis by Classification
Reflex Syncope 
 - Vasovagal syncope
   • Prolonged standing
Shock - Differential ... Diagnosis by Classification ... stress • Blood draw ... Subclavian steal syndrome ... #Table #Causes
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
patellar tendon sharp posterior ... • MRI is more sensitive ... tibial tuberosity Differential ... Schlatter #Disease #Knee ... patella #clinical #mri
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Diagnosis: • ... perineum, and posterior ... Imaging studies: • MRI ... #differential # ... diagnosis #causes
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Etiology: • Pathophysiology ... Vascular narrowing on MRA ... Reversible course Differential ... the underlying cause ... with AEDs until cause
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... toxo IgG • CNS PCR ... Lesions #Brain #differential ... #diagnosis #causes