16 results
Diagram of different types of bone tumors that can occur around the knee on XRay -
- punched out lesions ... • Aggressive lesion ... blastic metastatic lesion ... #Bony #Differential ... #msk #lesions #
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... with lung nodules ... Syphilis • Pyogenic Abscess ... #Brain #differential
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
other aggressive lesion ... - punched out lesions ... #Tumors #Lesions ... #Bony #Differential ... #XRay #MSK #pediatrics
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
geographic, lucent lesion ... cortically based lesion ... • Do Not Touch lesions ... Diagnose with X-RAY ... Differential diagnosis
Osteochondral Lesion of the Talus - MSK Radiology
Imaging Findings:
 • Typical location of the osteochondral defect
Osteochondral Lesion ... fragment and parent bone ... Osteochondral lesion ... Differential diagnosis ... Insufficiency Fracture
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Imaging: - MRI ... parietal - Size lesions ... tuberculomas, or abscesses ... Enhancement: multifocal lesions ... punched-out" cystic lesions
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... Abscess Diagnosis ... stable residual lesion ... Abscess Differential
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
and Perthes lesion ... This is a Perthes lesion ... stripping → Perthes lesion ... lesion: Anteroinferior ... #Perthes #lesion
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Space occupying lesions ... Brain tumor • Lesions ... Infectious: Brain abscess ... Lesions Of The Peripheral ... EMG) studies • MRI
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Lesions of the Spinal ... Spinal cord lesions ... of spinal cord lesions ... Spinal stenosis - Abscess ... #differential #