9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... : reticular, nodular ... low attenuation (table ... seen and in many cases ... #Diagnosis #Radiology
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... opacities - Fine Nodular ... - Multiple Masses ... Diagnosis #Clinical #Radiology ... Consolidation #Patterns
The distribution of nodules shown on HRCT is the most important factor in making an accurate
distribution of nodules ... pattern. ... In most cases small ... #Diagnosis #Radiology ... #Pattern #Distribution
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
linear branching pattern ... centrilobular nodules ... actually seen in all causes ... pneumonia, congenital causes ... diagnosis #clinical #radiology
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a ... demonstrated a fine nodular ... #Clinical #Radiology ... #Sarcoidosis #Nodular ... #Interstitial #Pattern
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
prognosis • Nodular ... are present • Classic ... - Nodular Sclerosis ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
consolidation or even as masses ... Here a typical case ... When these small nodules ... #Clinical #Radiology ... #Interstitial #Pattern
Subacute hypersensitivity pneumonitis
The key findings in the subacute hypersensitivity pneumonitis are:
ill-defined centrilobular nodules of ground-glass opacity
centrilobular nodules ... opacity (80% of cases ... ) or mosaic pattern ... centrilobular nodules ... #Clinical #Radiology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... : erythematous nodules ... - (C-ANCA) pattern ... - (P-ANCA) pattern ... #rheumatology #classification