10 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... reticular, nodular ... On a Chest X-Ray ... #Diagnosis #Radiology ... #Pulmonary #CXR
The distribution of nodules shown on HRCT is the most important factor in making an accurate
pattern. ... peribronchovascular interstitium ... structures of the lung ... #Diagnosis #Radiology ... #Pulmonary #HRCT
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
on Chest CT • ... centrilobular nodules ... linear branching pattern ... #Lung #Pulmonary ... #diagnosis #radiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
have specific patterns ... morphologic findings on HRCT ... vascular diseases (e.g ... #Diagnosis #Radiology ... #Pulmonary #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
of pulmonary fibrosis ... On a chest X-ray ... heart failure, but ... #Clinical #Radiology ... UIP #Reticular #Interstitial
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... Nodular or irregular ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #Reticular
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... Calcification (seen in CT ... typical eggshell pattern ... #CXR #Chest #XRay ... #labeled #pulmonary
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... nodules and masses ... • Reticular + Nodular ... confirmatory findings on HRCT ... #diagnosis #management
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
nodules, asthma ... sparing of the lung ... CT ... • IF staining patterns ... differential #diagnosis #management
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... X-ray: • Not ... unless prior heart/lung ... V trials) • BUT ... medical and surgical management