14 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... Emphysema - Lung cysts ... on the basis of HRCT ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... bizarre shaped cysts ... Clinical #Radiology #HRCT ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis on HRCT ... disease comes from HRCT ... On HRCT there are ... When the cysts have ... seen and in many cases
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... multiple thick walled cysts ... (LAM): regular cysts ... Clinical #Radiology #HRCT ... #Comparison #Table
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... before the typical cysts ... Clinical #Radiology #HRCT ... CTChest #Nodular #Pattern ... #Comparison #Table
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
urgent nephrology evaluation ... PROBLEM ~80% of AKI cases ... are caused by prerenal ... for WBCs, RBCs, casts ... KidneyInjury #simplified #workup
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
hematuria (RBC casts ... Nephrotic #Syndrome #Comparison ... #Algorithm #Nephrology
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... proteinuria, RBC casts ... Nephrology if cause ... #Workup #urology
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... in the nodular pattern ... In most cases small ... Radiology #Pulmonary #HRCT ... Perilymphatic #Comparison
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
TTP - Laboratory Evaluation ... decrease in most cases ... hematuria (without casts ... ThromboticThrombocytopenicPurpura #Diagnosis #Workup