12 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... #Differential # ... Diagram #Comparison
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 #Pulmonary
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
, like cyst, cavity ... since in many cases ... we describe a chest ... #CXR #Lucency #Differential ... #Cyst #Lung #Pulmonary
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
- Aspergillus/ABPA ... Therefore, conditions caused ... apices caused by ... a rigid chest cage ... #diseases #differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the surrounding lung ... without associated pulmonary ... Diagnosis #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... Hypersensitivity: ABPA ... in the adjacent lung ... of the affected lung ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • 3 syndromes: ABPA ... fever, cough and cavitary ... Infections #HIV #AIDS #pulmonary ... #differential #
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... Goodpasture's cause ... sparing of the lung ... • IF staining patterns ... Renal #Syndromes #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... • Nodular or cavitary ... Mimics TB with: Cavitary ... • Dyspnea, • Chest ... NTM #Infections #differential
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... The most common causes ... or astmathics (ABPA ... Lobar #Collapse #Patterns ... #Comparison #RadiologyAssistant