10 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... adenopathy and pleural effusion ... low attenuation areas ... #Clinical #Radiology ... #HRCT #CTChest
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Pericardial • Effusion ... • Asthma • COPD ... Neoplasm Pulmonary Interstitium ... • ILD • CHF
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... consolidation and GG pattern ... Rare: pleural effusions ... , cavities • HRCT ... BOOP #pulmonary #ILD
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... morphologic findings on HRCT ... of NSIP, UIP, OP ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
HRCT findings in OP
- Bilateral peripheral consolidations, sharply demarcated.
- Consolidations may be migratory.
- Lesions may show
HRCT findings in ... restricted to areas ... small pleural effusions ... #CTChest #COP # ... Organizing #Pneumonia #ILD
Acute interstitial pneumonia (AIP, earlier named Hamman Rich Pneumonitis) is a rare idiopathic lung disease characterized
Acute interstitial ... The histologic pattern ... There are areas ... and extensive areas ... #CTChest #AIP #
On the left a patient with DIP.
The HRCT shows diffuse areas of ground-glass density in the
The HRCT shows diffuse ... areas of ground-glass ... and some mosaic pattern ... #CTChest #DIP # ... DesquamativeInterstitialPneumonia #ILD
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... and spaces can cause ... travels from these areas ... and perivascular interstitium ... in subcutaneous areas
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
exudative pleural effusions ... Exclude other causes ... Exclusion of other ILDs ... confirmatory findings on HRCT ... LDH • ↑ ESR, CRP
On the left a typical case of panlobular emphysema.
There is uniform destruction of the underlying architecture
left a typical case ... to widespread areas ... the other hand, mild ... difficult to detect on HRCT ... #CTChest #Panlobular