7 results
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... peribronchovascular interstitium ... Random distribution ... Radiology #Pulmonary #HRCT ... Perilymphatic #Comparison
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... perilymphatic, random ... bronchovascular interstitium ... Radiology #Pulmonary #HRCT
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... . - Metastases: ... random distribution ... cysts, evenly distribution ... #Differential #Comparison
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Miliary TB: random ... perilymphatic distribution ... Clinical #Radiology #HRCT ... Nodular #Pattern #Comparison
Metastases
Metastases are the most common cause of multiple pulmonary masses.
Usually they vary in size and are
Metastases Metastases ... HRCT will demonstrate ... the random distribution ... centrilobular distribution ... LungMets #Lung #Metastases
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
miliary TB and metastases ... nodules have a random ... distribution. ... CTChest #MiliaryTB #Comparison ... #Metastases #Mimic
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
incidental finding in HRCT ... and perihilar distribution ... peribronchovascular interstitium ... Clinical #Radiology #HRCT ... Reticular #Pattern #Comparison