11 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
These include: - Emphysema ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... #Diagram #Comparison ... TractionBronchiectasis #Cysts #Emphysema
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Centrilobular emphysema ... Diagnosis #Radiology #CTChest ... Cystic #Cysts #Differential ... #Comparison #Table
Palpable Skin Crepitus on Physical Exam

Notice these air bubbles under the skin. An 86-year-old woman with
An 86-year-old woman ... history of severe emphysema ... insertion of a chest ... the head, neck, chest ... cardiovascular collapse
â–º
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... Diagnosis #Radiology #CTChest ... #Cavity #Cyst #Emphysema ... #Comparison #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis: ill ... bronchiolitis: ill ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... centrilobular emphysema ... Diagnosis #Radiology #CTChest ... #UIP #Comparison
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
atelectasis or lobar collaps ... important finding on a chest ... has a limited differential ... produces only mild ... #Patterns #Comparison
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
film of a 19 year old ... most challenging differential ... centrilobular emphysema ... Emphysema however ... helpfull in the differential
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
Oleothorax - A chest ... The differential ... abnormality includes an old ... calcified empyema ... pleural space to collapse
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
smoker with RB-ILD ... are paraseptal emphysema ... there is a broad differential ... first think RB-ILD ... Clinical #Radiology #CTChest