9 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Lung cysts (LAM, LIP ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... LowAttenuation #Differential
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age - Cystic bronchiectasis ... Centrilobular emphysema ... central dot. - LIP ... Clinical #Diagnosis #Radiology
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
(centrilobular emphysema ... is seen in: - UIP ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... honeycombing and traction bronchiectasis ... #Clinical #Radiology ... #CXR #UIP #CTChest ... Honeycombing #Traction #Bronchiectasis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... appreciate on a cest ... in many cases UIP ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
UIP with honeycombing ... (right) Differential ... centrilobular emphysema ... Clinical #Diagnosis #Radiology ... #CTChest #UIP #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Hemoptysis • Coughing up ... Physical stigmata of cor ... , CCP, ANCA • HIV ... Sweat chloride test ... #pulmonary #differential
Continuous Diaphragm Sign and Pneumomediastinum on Chest XRay

16yo boy referred in by his GP with7/10 chest
referred in by his ... some surgical emphysema ... with a repeat CXR ... Pneumomediastinum #ChestXRay #CXR ... #Radiology #Clinical
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
some traction bronchiectasis ... patients with a UIP ... disease in the differential ... #Clinical #Radiology