31 results
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... ringenhancing #lesions ... #cns #brain #diagnosis ... differential #algorithm #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... lung nodules, may also ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... encephalitis) • Brain ... lesions (e.g. stroke ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
polyneuropathy (e.g ... injury, Early ALS ... Eclampsia, Late ALS ... #differential #diagnosis ... #table #neurology
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... This is also called ... near-drowning etc ... #Diagnosis #Radiology ... #Pulmonary #CXR
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... disorder (Cardiac, pulmonary ... etc) • CNS -> ... nervous system: Brain ... #neurology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... Causes include: ... ischemic changes CXR ... edema (Traumatic brain ... #cardiology
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... cystic pattern is also ... #Diagnosis #Radiology ... #Pulmonary #CXR
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... visible wall #CXR ... #Differential #Table ... Cavity #Cyst #Lung #Pulmonary ... #Diagnosis #Radiology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... contrast enhancement Brain ... neurological symptoms • Caused ... #Tuberculosis #diagnosis ... differential #TB #neurology