15 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 ... #lesions #adult
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 ... #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions ... #diagnosis #AIDS
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
cord neurological lesion ... the site of a lesion ... Corticospinal Tract Lesions ... 5 levels below lesion ... #neurology #differential
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
bilateral white matter lesions ... lesions, which ... Diagnosis: MRI ... disorder #dementia #AIDS ... #Neurology
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 ... #Diagnosis #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Clindamycin in case of PCN ... stable residual lesion ... Differential Diagnosis ... #pulmonary #differential
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
presents in young adults ... demyelinating lesions ... resonance imaging [MRI ... ] T2 lesions) McDonald ... • Acute: - IV
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
osteitis, cutaneous lesions ... pneumonia, skin lesions ... Leprae - Cutaneous lesions ... flare, ocular lesions ... Worsening of cutaneous lesions
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... less swollen - Lesion ... or optic nerve lesions ... simplex virus, HIV ... #differential