18 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... low attenuation (table ... based on the x-ray findings ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... basis of HRCT findings ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Emphysema #SignetRing #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... Differential #Comparison #Table ... #RadiologyAssistant
An Approach to Acute Dyspnea - Diagnostic Framework

From the HPI, PMH, vitals, focused physical exam (e.g.
physical exam (e.g. cardiac ... , pulmonary, and ... exams), and the chest ... one of 8 basic patterns ... of findings will
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
• Effusion • Cardiac ... Artery Disease • Stable ... Thickening/Masses Chest ... Interstitium • ILD • CHF ... Vessels • Pulmonary
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... edema: incidental finding ... Radiology #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
nose deformity • Cardiac ... (UPC) ratio • Cardiac ... FINDINGS: • AAV ... of DAH) RENAL FINDINGS ... • IF staining patterns
Congestive heart failure (CHF) is the result of insufficient output because of cardiac failure, high resistance
output because of cardiac ... results in decreased cardiac ... can be seen on a chest-film ... CXR #Features #Findings ... #Diagram #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... a predominant finding ... differential diagnosis (Table ... #HRCT #CTChest ... #Differential #RadiologyAssistant