11 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... four patterns: ... is interstitial lung ... Diagnosis #Radiology #Pulmonary
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... on the basis of HRCT ... Diagnosis #Radiology #Pulmonary ... LowAttenuation #Differential
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Radiographic Features of Pulmonary ... Pneumothorax - Effusion ... Diseases #Radiology #Patterns ... #Lung #CXR #XRay ... #ChestCT #Differential
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... NodularPattern #Nodular #Pattern
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
according to CT-scan patterns ... Aspergillosis PLEURAL EFFUSION ... %3D%3D #CT #Patterns ... #Pulmonary #Lung ... ComputedTomography #Differential
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
resolution of the HRCT ... or interstitial lung ... in ground glass pattern ... Diagnosis #Radiology #Pulmonary ... #GroundGlass #Differential
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
consolidation and GG pattern ... Rare: pleural effusions ... , cavities • HRCT ... eosinophilia pneumonia, Pulmonary ... Pneumonia #COP #BOOP #pulmonary
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) and Pulmonary Thromboendarterectomy
Chronic Thromboembolic Pulmonary Hypertension
Definition: mean pulmonary-artery pressure > 25mmHg
Thromboembolic Pulmonary ... mosaic parenchymal pattern ... • Ventilation-perfusion ... lung scanning showing ... recurrent VTE • RCT
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
coagulopathy) • CBC w differential ... LVEF, pericardial effusion ... sparing of the lung ... • IF staining patterns ... Renal #Syndromes #differential
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... cells results in a pattern ... with interstitial lung ... in interstitial pulmonary ... #HRCT #CTChest