12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... bronchiectasis: ... central dot. - LIP ... Clinical #Diagnosis #Radiology ... #Cysts #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
The cystic pattern ... When the cysts have ... seen and in many cases ... UIP can be suspected ... #Diagnosis #Radiology
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... a reticular interstitial ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Reticular #Interstitial
The case on the left shows subpleural honeycomb cysts in several contiguous layers.
There is also a
subpleural honeycomb cysts ... typical for Usual Interstitial ... Pneumonia (UIP) ... #Clinical #Radiology ... #CTChest #UIP #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... (LAM, LIP, Langerhans ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... TractionBronchiectasis #Cysts
HRCT findings in UIP
Honeycombing consisting of multilayered thick-walled cysts.
Architectural distortion with traction bronchiectasis due to fibrosis.
Predominance
HRCT findings in UIP ... multilayered thick-walled cysts ... with traction bronchiectasis ... lymphadenopathy #Clinical #Radiology ... UsualInterstitialPneumonitis #Usual #Interstitial
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Lymphangitic Carcinoma, Interstitial ... Antitripsyn Def • Cysts ... Sarcoidosis • Bronchiectasis ... Infection, Aspiration, Cystic ... Diagnosis #pulmonary #radiology
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
The CXR is of a ... On the CXR it is ... In many of such cases ... #Clinical #Radiology ... Cystic #Interstitial
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
In many cases you ... on the CXR. ... #Clinical #Radiology ... #CXR #UIP #Reticular ... #Interstitial #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Hemoptysis • Coughing up ... Common Causes: • Cystic ... no evidence of cystic ... moderate-to-severe cases ... Physical stigmata of cor