9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... (table). ... common pattern ... a reticular pattern ... Diagnosis #Radiology #Pulmonary
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 ... a reticular pattern ... a reticular pattern ... This pattern was
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
PMNs and monocytes ... #Pneumonia #Patterns ... #Diagnosis #Comparison ... #Table #Presentation ... #Pulmonary
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... gravitational and ... #Pattern #Comparison ... #Table #RadiologyAssistant
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
in normal lung, pulmonary ... disease, idiopathic pulmonary ... artifact); (G) UIP pattern ... subpleural, basal reticular ... #Correlation #Table
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
/or pulmonary capillaritis ... purpura, livedo reticularis ... Presentation - Systemic ... - (C-ANCA) pattern ... - (P-ANCA) pattern
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... of reticular opacities ... differential diagnosis (Table ... in interstitial pulmonary ... HRCT #CTChest #Reticular
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
patient’s clinical presentation ... a chest x-ray (CXR ... chest radiograph pattern ... not seen on a CXR ... Pulmonary Contusion