27 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... with lung nodules ... Syphilis • Pyogenic Abscess ... #Brain #differential
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Lesions - Differential ... DiagnosisInfections ... usually multiple lesions ... usually solitary lesion ... Ring #Enhancing #Lesions
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Diagnosis and Workup ... : Lung abscess, ... #Algorithm #lesion ... #pulmonary #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... parietal - Size lesions ... Enhancement: multifocal lesions ... punched-out" cystic lesions ... #Infections #differential
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
embolus I = infection ... - pulmonary abscess ... Mnemonic #Cavitary #Lesions ... #Differential # ... Lung #Pulmonary
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
etc) • CNS -> ... Space occupying lesions ... Brain tumor • Lesions ... : Brain abscess ... Lesions Of The Peripheral
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Fistulas • Dieulafoy lesion ... Parenchyma: • Infection ... westermani, PNA, Lung ... abscess, Aspergillosis ... #Diagnosis #pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Abscess Diagnosis ... stable residual lesion ... Abscess Differential ... #Abscess #pulmonary
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 ... #Causes #Pulmonary
Causes of Hypotonic Infant (Floppy Newborn) - Differential Diagnosis Algorithm
Central Nervous System - Decreased LOC, Axial
Diagnosis Algorithm ... Hemorrhage • CNS ... Infection ... Intracranial Mass/lesion ... Hematoma • Abscess