48 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
bronchiectasis: ... 'signet ring sign ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung ... cysts. ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
appearance of lung ... , as in cystic fibrosis ... bronchial obstruction caused ... #Clinical #Radiology ... #CXR #CTChest #
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... cysts (LAM, LIP ... histiocytosis) - Bronchiectasis ... #Diagnosis #Radiology ... #Pulmonary #CTChest
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
The CXR demonstrates ... preference at the lung ... bases. ... #Clinical #Radiology ... #CXR #UIP #CTChest
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
The diagnosis of ... the peripheral lung ... The most common cause ... bronchitis, COPD and cystic ... #Diagnosis #Radiology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... • Most common cause ... Lung abscess ... Lung Abscess - Clinical ... Abscess Diagnosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... seen and in many cases ... UIP can be suspected ... #Diagnosis #Radiology
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
- Differential Diagnosis ... • Bronchitis, Bronchiectasis ... , Mets), COPD, Cystic ... Necrotizing PNA, Abscess ... #pulmonary #causes
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... Cylindrical or traction bronchiectasis ... , CF, ILD, necrotizing ... #diagnosis #radiology ... #clinical