13 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Cystic #Pattern ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... On HRCT there are ... low attenuation (table ... based on the x-ray findings ... Diagnosis #Radiology #Pulmonary
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... findings. ... Diagnosis #Radiology #Pulmonary ... #CTChest #LowAttenuation ... Differential #Diagram #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... cysts; smoking history ... Clinical #Radiology #HRCT ... #CTChest #LowAttenuation ... #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... on HRCT and histology ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... edema: incidental finding ... #CTChest #Reticular ... #Pattern #Comparison ... #Table #RadiologyAssistant
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
arteriopathy with • Medial ... not specific • Chest ... mosaic parenchymal pattern ... procedure: • Median ... Thromboendarterectomy #diagnosis #management
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
FINDINGS: • AAV ... blood retum in serial ... of DAH) RENAL FINDINGS ... • IF staining patterns ... differential #diagnosis #management
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 ... in interstitial pulmonary ... #HRCT #CTChest
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Take a thorough history ... murmur 3/6) - Pulmonary ... Medical history ... perioperative medical ... and surgical management