25 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
cysts (LAM, LIP ... on the basis of HRCT ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Lymphangiomyomatosis (LAM ... cysts; smoking history ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Annotated on Chest ... Lobe: Lateral, Medial ... Lobe: Superior, Medial ... #CT #CTChest #pulmonary ... #clinical #radiology
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
cysts; smoking history ... Lymphangiomyomatosis (LAM ... #Clinical #Radiology ... #HRCT #CTChest ... Cystic #Pattern #Comparison
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison ... #LAM #LIP #Histiocytosis
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
attached to the chest ... There is a lung ... LAM is a rare lung ... airways leading to pulmonary ... #Clinical #Radiology
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the upper lung ... supplying the lung ... In daily clinical ... In these cases comparison ... #Clinical #Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... decades of life • History ... , cavities • HRCT ... - No specific lab ... Pneumonia #COP #BOOP #pulmonary
Corona Radiata (Sunburst sign) on Chest CT
 • SPN or mass, with spiculated and inegular margins
Corona Radiata ( ... .2016.12.033 #Corona #Radiata ... Sunburst #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
Diffusely dense pulmonary ... arrow) • DDx: PAM ... SandStorm #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical