67 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... • 80% with lung ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... Clindamycin in case ... stable residual lesion ... #treatment #diagnosis
Underlying causes of PEA arrest: H’s and T’s 

Hypovolemia, Hypoxia, Hydrogen Ion (acidosis), Hypo/Hyper-kalemia, Hypothermia
Toxins, Tamponade,
Underlying causes ... Thrombosis (heart: acute ... (lungs: massive ... #arrest #HsTs #Differential ... #Diagnosis #Table
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
Case description ... (save $$) Differential ... diagnosis: • Salter ... #clinical #mri ... #diagnosis #msk
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... hallucis longus Differential ... diagnosis for similar ... osteochondral lesion ... #diagnosis #msk
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Generally affects long ... common sites: hip ... • XR, MRI to ... #diagnosis #causes
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... seen and in many cases ... #Diagnosis #Radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Less common since cART ... Polymorphic skin lesions ... Multiple skin lesions
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
between acute consolidation ... diagnosis. ... - Lung neoplasms ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... syphilis, and HIV ... patients with a long ... #differential # ... diagnosis #neurology