subcarinale Bronchialdivertikel
![](https://pacs.de/sites/default/files/pictures/thumbs/upload.wikimedia.org/4/6/5/6/2/Bronchialdivertikel_an_Carina_72W_-_CT_KM_axial_LF_und_Volumen_Rendering_Virtuelle_Broncho_-_001_thumb.jpg)
Kleines
Bronchialdivertikel knapp unter der Carina am rechten Hauptbronchus. Linke Bildseite: axiale Computertomographie (Blick von unten:linke Körperseite rechts im Bild) Rechte Bildseite: Virtuelle Bronchoskopie mit CT-Daten (Blick von oben:rechte Körperseite rechts im Bild)
![](https://pacs.de/sites/default/files/pictures/thumbs/upload.wikimedia.org/9/0/3/6/6/Kleines_Trachealdivertikel_an_der_Carina_73W_-_CT_axial_und_parakoronar_-_001_thumb.jpg)
Kleines
Bronchial- / Trachealdivertikel an der Carina. Computertomografie im Lungenfenster axial und parakoronar.
Subcarinal air cysts refer to small air cysts that can be detected on a CT scan. They are thought to represent small main bronchial diverticula although the former term is preferred . They may be associated with chronic airflow limitation.
Clinical presentation
Patients are asymptomatic and they are often seen on imaging for some other reason.
Radiographic features
HRCT - CT chest
They typically have a lobulated margin and can demonstrate ductlike communications between the air cyst and bronchi. Ductlike communications can arise from the posterointerior aspect of the proximal side of the main bronchi; they can be either solitary or multiple. The larger subcarinal air cysts tend to be multiloculated.
Differential diagnosis
If there are relevant clinical factors, consider
- a small pneumomediastinum
See also
Siehe auch:
und weiter:
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