14 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... the most common pattern ... The cystic pattern ... in many cases UIP ... #Differential #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
The fourth pattern ... low attenuation pattern ... can be readily ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... NodularPattern #Nodular #Pattern ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... as a reticular pattern ... with a reticular pattern ... This pattern was ... #Interstitial #Pattern
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... some diseases can ... more than one pattern ... lobar pneumonia caused ... Differential #Table #RadiologyAssistant
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... more diffuse, can ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification ... #differential #algorithm
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
versus Reticular It can ... with a reticular pattern ... or a cystic pattern ... or a reticular pattern ... LangerhansCellHistiocytosis #LCH #RadiologyAssistant
Sarcoidosis
On a CXR sarcoidosis usually first presents with hilar and mediastinal lymphadenopathy (example).
Parenchymal disease can present
Parenchymal disease can ... consolidation or even as masses ... Here a typical case ... #Interstitial #Pattern ... #Sarcoidosis #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... as far as you can ... recognized that this pattern ... was caused by multiple ... Histiocytosis #Cystic #RadiologyAssistant
Vasculitis and Vasculitides - Differential Diagnosis Framework

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