17 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... four patterns: ... common pattern ... seen and in many cases ... Diagnosis #Radiology #Pulmonary
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
x-ray shows subtle findings ... HRCT is needed to ... The HRCT - not shown ... Clinical #Radiology #CXR ... #Interstitial #Pattern
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... consolidation - Diffuse ... mass - Solitary Pulmonary ... Clinical #Radiology #CXR ... Consolidation #Patterns
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... more than one pattern ... lobar pneumonia caused ... called cryptogenic (COP ... #CXR #Consolidation
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... are visible, the pattern ... the nodules are diffuse ... #HRCT #CTChest ... NodularPattern #Nodular #Pattern
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... of pulmonary fibrosis ... as a reticular pattern ... a reticular pattern ... This pattern was
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... consolidation and GG pattern ... , cavities • HRCT ... lymphoma, Diffuse
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... have specific patterns ... on HRCT and histology ... realise, that these patterns ... Diagnosis #Radiology #Pulmonary
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... fragmented pleura line (red ... artifact); (G) UIP pattern ... Clinical #Diagnosis #HRCT ... Correlation #Table #ILD #Findings
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis Algorithm ... Polycythemia - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking/CO ... Matthew Ho, MD PhD