18 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... #Pulmonary #CTChest ... #Differential #Diagram ... #Comparison #Honeycombing ... Emphysema #SignetRing #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
the differential diagnosis ... #Diagnosis #Pathophys ... #Radiology #Pulmonary ... CTChest #TreeInBud #Diagram ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodular pattern. 1. ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Imaging options for exclusion of PE in pregnant women
The radiation dose required for either V/Q scanning
outlined in Table 1 ... #Diagnosis #Obstetrics ... #OBGyn #Radiology ... PE #Pregnancy #Workup ... #Imaging #Comparison
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
hilar adenopathy ('1- ... #Diagnosis #Radiology ... #Pulmonary #Mediastinal ... #Differential #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
making an accurate diagnosis ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... septal thickening: 1. ... #Clinical #Radiology ... #Differential #Comparison ... #Table #RadiologyAssistant
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
Echocardiography Pulmonary ... • ElA ratio << 1 ... • ElA ratio > 1 ... Echocardiogram #comparison ... #diagnosis #cardiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
measure less than 1 ... without associated pulmonary ... #Radiology #CTChest ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Pleural fluid
It takes about 200-300 ml of fluid before it comes visible on an CXR (figure).
About
#Diagnosis #Radiology ... #Pulmonary #CXR ... Hidden #Volume #Diagram ... #RadiologyAssistant