Pulmonary Pulmonary aspergillosisaspergillosis

Dr / Hytham NafadyDr / Hytham Nafady

EtiologyEtiology

Aspergilloma

AspergillomaAspergilloma saprophytic aspergillosis

DD of aspergilloma

Causes of air crescent sign:

• Angio-invasive aspergillosis (no pre-existing cavity)

• Lung abscess.

• Bronchogenic carcinoma.

• T.B cavity with Rasmussen aneurysm.

• Hydatid cyst.

ABPA

Allergic bronchopulmonary aspergillosisABPA

2 months after TTT

ABPA

DD of ABPA

Causes of mucoid impaction:

• Endobronchial lesions,

• Bronchial atresia, and

• Bronchiectasis.

Semi-invasive aspergillosis

Semi-invasive aspergillosisSemi-invasive aspergillosischronic necrotizing pulmonary aspergillosis

Air way invasive aspergillosis

Air way invasive aspergillosis

Centrilobular nodules with tree in bud opacities

Focal areas of consolidation with peribronchial distribution

Angio-invasive aspergillosis

Aangio-invasive aspergillosis

Angio-invasive aspergillosis

DD of angio-invasive aspergillosis

DD of Halo sign:

• Hemorrhagic metastases.

• Kaposi sarcoma.

• Wegner granulomatosis.

DD of angio-invasive aspergillosis

DD of angio-invasive aspergillosis

DD of angio-invasive aspergillosis

DD of air crescent sign:

• Aspergilloma (pre-existent lung cavity)

• Lung abscess.

• Bronchogenic carcinoma.

• T.B cavity with Rasmussen aneurysm.

• Hydatid cyst.