62 results
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
low attenuation (emphysema ... bronchiectasis) #Diagnosis #Radiology ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts #Emphysema
Radiographic Features of Pulmonary Diseases
 - Pneumonia
 - Atelectasis
 - Emphysema
 - Pneumothorax
 - Effusion
 -
Atelectasis - Emphysema ... Reticular - Emphysema ... Pulmonary #Diseases #Radiology
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
Empyema Necessitans ... This is Empyema ... Because Empyema ... Empyema necessitans ... Treatment of empyema
Boerhaave Syndrome 
Postemesis 
Iatrogenic (most common)
Left Posterolateral most common

Mackler's Triad:
Lower Chest Pain
Vomiting
Subcutaneous Emphysema

#Boerhaave #Syndrome #Diagnosis #Signs
Triad: Lower Chest ... Subcutaneous Emphysema
Empyema Necessitans (EN) on Chest POCUS

Pulmonary teaching case: you are called to the bedside of a
Empyema Necessitans ... (EN) on Chest POCUS ... This is Empyema ... Because Empyema ... @nickmmark #Empyema
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Centrilobular emphysema ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Centrilobular emphysema ... #Clinical #Radiology ... #HRCT #CTChest
COVID-19 patient with severe ARDS

Giuseppe Curigliano, MD, PhD @curijoey

Editor Note: Pt likely has severe underlying emphysema

#COVID19
severe underlying emphysema ... Clinical #ChestCT #Radiology