21 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... bronchiectasis: ... central dot. - LIP ... Clinical #Diagnosis #Radiology ... #Cysts #Differential
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
Bronchiectasis: ... Virus, measles, Cystic ... Sjögren, SLE, Cystic ... deficiency, CVID+++, HIV ... diagnosis #management #Differential
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 ... LowAttenuation #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... When the cysts have ... in many cases UIP ... #Diagnosis #Radiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
Bronchiectasis is ... The diagnosis of bronchiectasis ... bronchitis, COPD and cystic ... #Diagnosis #Radiology ... #Differential #
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
patients with bronchiectasis ... , as in cystic fibrosis ... CT demonstrated bronchiectasis ... #Clinical #Radiology ... #CXR #CTChest #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
CT Patterns - Differential ... Antitripsyn Def • Cysts ... Sarcoidosis • Bronchiectasis ... #CT #Patterns #Differential ... Diagnosis #pulmonary #radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Common Causes: • Cystic ... no evidence of cystic ... Physical stigmata of cor ... , CCP, ANCA • HIV ... #pulmonary #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
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
predispose to other orthopedic ... common sites: hip ... • XR, MRI to ... • Differentiate ... SickleCell #Disease #differential