25 results
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Ground-glass opacity (GGO ... resolution of the HRCT ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #GroundGlass #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... #Diagnosis #Radiology
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Fibrosis and parenchymal ... The HRCT shows a ... existing irreversible fibrosis ... #Clinical #Radiology ... #CXR #CTChest #
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
#Diagnosis #Radiology ... #Pulmonary #HRCT ... #ChestCT #Differential
Ground-glass opacity is nonspecific, but highly significant finding since 60-80% of patients with ground-glass opacity on
ground-glass opacity on HRCT ... usually associated HRCT ... two cases with GGO ... #Clinical #Radiology ... #GroundGlass #GGO
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... diagnosis of perilymphatic ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Nodular #Differential
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... #Diagnosis #Radiology ... LowAttenuation #Differential
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... A HRCT is needed ... to confirm the diagnosis ... HRCT demonstrated ... #Clinical #Radiology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
- Polycythemia Differential ... Diagnosis Algorithm ... Hb > 16.5 g/dL/HCT ... : Hb > 16 g/dL/HCT ... , HCC, uterine fibroids