5 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... child-bearing age - Cystic bronchiectasis ... : 'signet ring sign ... '. - Centrilobular ... #Differential #Comparison
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... The Tree-in-Bud sign ... linear branching pattern ... Bud #TreeInBud #Sign ... #diagnosis #clinical
Tree-in-Bud Sign on Chest CT
 • Multiple centrilobular nodules arranged in a linear branching pattern.
 •
Tree-in-Bud Sign ... Multiple centrilobular ... nodules arranged ... .2016.12.033 #TreeInBud #Sign ... #CT #Lung #Pulmonary
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Low Attenuation Nodular ... Pneumoconiosis • Centrilobular ... Sarcoidosis • Bronchiectasis ... #Diagnosis #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Nasal polyps and signs ... air-fluid levels, centrilobular ... nodules, or consolidation ... high-resolution chest CT ... #diagnosis