19 results
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential ... Diagnosis • Infections ... : Cerebral abscess ... Malignancy: Metastases (lung ... Diagnosis #neurology #radiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
• 80% with lung ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Gastrointestinal Causes of Iron Deficiency Anemia
 • Mass lesions: Carcinoma, Large polyps
 • Inflammatory: Reflux esophagitis,
Gastrointestinal Causes ... Inflammatory: Reflux ... nevus syndrome • Infectious ... enterocolitis, Long-distance ... #differential #
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... pulmonary embolus I = infection ... - pulmonary abscess ... Mnemonic #Cavitary #Lesions ... #Differential #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung abscess ... stable residual lesion ... Abscess Differential
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... (caries, abscess ... Gastroesophageal reflux ... subdural hematoma, lung ... gastroesophageal reflux
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Granuloma • Abscess ... Metastases ("cannonball lesions ... Breast, Testicle) Infection ... Diagnosis #Algorithm #Causes
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Fistulas • Dieulafoy lesion ... Parenchyma: • Infection ... westermani, PNA, Lung ... abscess, Aspergillosis ... Diagnosis #pulmonary #causes
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Spinal stenosis - Abscess ... Infarction - Infection ... patients with a long ... in deep tendon reflexes ... #differential #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... verrucous) • Lung ... Marantic (NTBE) Differential ... Treat underlying cause ... diagnosis #management #cardiology