12 results
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
consider better imaging—from ... Point Of Care UltraSound ... (POCUS) to CT or ... MRI. ... #Diagnosis #Radiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
(MRI) - T2, T1 ... Contrast Enhanced Ultrasound ... #Contrast #CT #MRI ... #POCUS #radiology ... #differential #diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... Syphilis • Pyogenic Abscess ... #causes #radiology ... #neurology
Imaging Modalities for Renal Calculus

AXR. KUB
 - Good far calcium-containing stones useful when limited radiation dose
radiation dose Ultrasound ... Combination of above MRI ... scan) when an ultrasound ... with surgical access ... stones #calculus #Radiology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Infectious: Brain abscess ... toxins: Steroids, Statins ... EMG) studies • MRI ... #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... Spinal infection/abscess ... studies: • MRI ... axial T1 and T2 Treatment ... #causes #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Vascular narrowing on MRA ... epilepticus Treatment ... underlying cause • Treatment ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Antimicrobial treatment ... : - MRI - ring ... tuberculomas, or abscesses
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... [MRI] T2 lesions ... Multiple Sclerosis Treatment ... #management #neurology ... #treatment #MS
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
similar to PML, but MRI ... Diagnosis: MRI ... The clinical syndrome ... Treatment: • HAART ... dementia #AIDS #Neurology