11 results
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... A HRCT is needed ... to confirm the diagnosis ... attributed to chronic ... HRCT demonstrated
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
Fibrosis and parenchymal ... The HRCT shows a ... existing irreversible fibrosis ... Clinical #Radiology #CXR ... #Fibrosis #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... disease comes from HRCT ... On HRCT there are ... histiocytosis or honeycombing
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... idiopathic pulmonary fibrosis ... bronchiectasis, and honeycombing ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... ) Differential diagnosis ... show very similar HRCT ... In chronic HP fibrotic ... #Clinical #Diagnosis
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
two cases with chronic ... The final diagnosis ... pneumonia the HRCT ... In fibrosis there ... like honeycombing
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Polycythemia Differential Diagnosis ... Hb > 16.5 g/dL/HCT ... : Hb > 16 g/dL/HCT ... , HCC, uterine fibroids ... #Algorithm #hematology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Causes: • Cystic fibrosis ... evidence of cystic fibrosis ... parenchyma Diagnosis ... : • HRCT (high-resolution ... #differential #diagnosis
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
= (Retic %) x (Hct ... • Anemia of chronic ... deficiencies: Chronic ... Production #Index #hematology ... #differential #diagnosis
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Hb>16.5 g/dL, Hct ... Hb>16.0 g/dL, Hct ... Better call hematology ... normal/high - Chronic ... Algorithm #workup #hematology