12 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... When the cysts have ... seen and in many cases ... #Pulmonary #CXR
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT Patterns ... - Differential ... Antitripsyn Def • Cysts ... #Differential # ... #radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... before the typical cysts ... #Pulmonary #CTChest ... #Nodular #Pattern ... NodularPattern #Differential
Honeycombing is defined by the presence of small cystic spaces with irregularly thickened walls composed of
Honeycomb cysts ... regardless of their cause ... Subpleural honeycomb cysts ... which subpleural cysts ... #Differential #
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
the lung, like cyst ... since in many cases ... #CXR #Lucency #Differential ... #Lung #Pulmonary ... #Diagnosis #Radiology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... was caused by multiple ... cysts. ... #Clinical #Radiology ... Histiocytosis #Cystic
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... Differential/diagnosis ... (II, III, AVF)(pattern ... seen in 34% of cases ... Electrocardiogram #clinical #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Hypercoagulable (APLAS) Microbiology ... positive in 90% of IE cases ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... diagnosis #management #cardiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... present in 15% of cases ... Demyelinating disease caused ... "punched-out" cystic ... opportunistic #InfectiousDiseases