10 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... HRCT #CTChest #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... #Clinical #Diagnosis ... CTChest #Nodular #Pattern ... #NodularPattern ... Differential #Comparison #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... pneumonitis: ill defined centrilobular ... #Clinical #Radiology ... CTChest #Nodular #Pattern ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... Centrilobular emphysema ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... Centrilobular emphysema ... #Clinical #Radiology ... LowAttenuation #Cystic #Pattern ... #Comparison #Table
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... presents with centrilobular ... confluent, HRCT shows diffuse ... #Clinical #Radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse ... ILD #diagnosis #management
In ARDS, we know that the lungs are so diffusely injured that the remaining total area
the lungs are so diffusely ... injury may be diffuse ... see heterogenous patterns ... pathophysiology #diagnosis #management ... #respiratory #clinical
Possible approach to empiric anticoagulation in COVID-19

Is D-dimer above '"1,000-2,000 ng/ml?
Contraindication to anticoagulation?
Check fibrinogen level and/or
hyper-coagulable pattern ... Hypo-coagulable pattern ... Internet Book of Critical ... anticoagulation #COVID19 #management ... #criticalcare #algorithm
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... with a benign pattern ... Management of indeterminate ... mm depends on clinical ... #Management #Radiology