11 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
TB: Tree-in-bud ... #Radiology #Pulmonary ... #CTChest #Nodular ... #Differential # ... Comparison #Table
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
#Diagnosis #Radiology ... #Pulmonary #HRCT ... #CTChest #NodularPattern ... #Nodular #Pattern ... #Differential #
The distribution of nodules shown on HRCT is the most important factor in making an accurate
Centrilobular distribution ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Pattern #Distribution ... Perilymphatic #Comparison
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... nodules and the ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Nodular #Differential
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... '. - Centrilobular ... #Radiology #CTChest
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... sign represents ... nodules. ... nodules. ... #TreeInBud #Sign
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 ... #diagnosis #radiology
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
with ground glass pattern ... in a mosaic distribution ... The differential ... nodules of ground ... density (acinar nodules
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... nodules and tree-in-bud ... RHS and small nodules ... #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 ... : • HRCT (high-resolution ... #differential #