12 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Miliary TB: random ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... Pulmonary #HRCT #CTChest ... MultipleNodules #Nodules #Differential
Syncope - Findings, Signs and Symptoms by Classification
 - Reflex Syncope 
 - Cardiogenic Syncope
Syncope - Findings ... and Symptoms by Classification ... #Syncope #Differential ... #Table #CriticalCare ... #Comparison
Shock - Findings, Signs and Symptoms by Classification
 - Hypovolemic (Intravascular volume depletion)
 - Distributive (Vasodilation)
Shock - Findings ... and Symptoms by Classification ... DrEricStrong #Shock #Differential ... #Table #CriticalCare ... #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... about imaging findings ... low attenuation (table ... based on the x-ray findings ... #Differential #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... basis of HRCT findings ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... - Metastases: random ... Diagnosis #Radiology #CTChest ... Cystic #Cysts #Differential ... #Comparison #Table
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... perilymphatic or random ... there additional findings ... Pulmonary #HRCT #CTChest ... Interpretation #Algorithm
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... edema: incidental finding ... Radiology #HRCT #CTChest ... #Reticular #Pattern ... #Comparison #Table