16 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... bronchiolitis: ill ... #Pattern #NodularPattern ... Comparison #Table #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... in number, the distribution ... HRCT #CTChest #NodularPattern ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
The distribution ... In most cases small ... Pulmonary #HRCT #NodularPattern ... #Distribution # ... Comparison #Diagram #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... centrilobular nodules ... perilymphatic distribution ... Comparison #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
consolidation - Multifocal ill-defined ... opacities - Fine Nodular ... Solitary Pulmonary Nodule ... - Multiple Masses ... Consolidation #Patterns #RadiologyAssistant
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Differential Diagnosis Algorithm ... Comedones +/- nodules ... periorbital & nasolabial distribution ... Differential #Diagnosis #Algorithm ... #causes
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
larger ones are ill-defined ... masses. ... is a peripheral distribution ... CXR #Peripheral #Distribution ... OrganizingPneumonia #BOOP #RadiologyAssistant
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis Algorithm ... Metastases to lung as nodules ... Lung #Diseases #ILD ... #Diagnosis #Algorithm
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
the pattern of distribution ... usually multiple ill-defined ... lobar pneumonia caused ... The old name is ... Differential #Table #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... CXR: Peripheral distribution ... irregular lines, nodular ... Treatment: • Mild ... BOOP #pulmonary #ILD