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On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
bronchopulmonary aspergillosis ... #Clinical #Radiology ... ABPA #Allergic #Aspergillosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
invasive pulm aspergillosis ... Pulmonary #diagnosis #radiology
Air Crescent Sign on Chest CT
 • Crescentic or circumferential rim of radiolucent airspace within a
DDx: Invasive aspergillosis ... Pulmonary #diagnosis #radiology
Tree-in-bud almost always indicates the presence of:
Endobronchial spread of infection (TB, MAC, any bacterial bronchopneumonia)
Airway disease
bronchopulmonary aspergillosis ... #Diagnosis #Radiology
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
bronchopulmonary aspergillosis ... #Clinical #Radiology
Reverse Halo Sign
Defined as a central ground class opacity surrounded by a ring of dense consolidation
Differential
Mucormycosis, Aspergillosis ... diagnosis #pulmonary #radiology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
angioinvasive aspergillosis ... Diagnosis #Pulmonary #Radiology
Upper Lobe Lung Diseases - STAR CHASERS Mnemonic

S - Silicosis
T - Tuberculosis
A - Ankylosing Spondylitis
R -
bronchopulmonary aspergillosis ... #STARCHASERS #radiology
IDSA Aspergillosis Treatment
 • Invasive pulmonary aspergillosis (IPA)
 • CNS aspergillosis
 • Cardiac Aspergillus infection
 •
IDSA Aspergillosis ... Invasive pulmonary aspergillosis ... (IPA) • CNS aspergillosis ... ID_fellows #Invasive #Aspergillosis
Pulmonary Aspergillosis
Main Culprits: Aspergillus fumigatus, Less commonly: Aspergillus flavus, Aspergillus terreus
Diagnosis: Characteristic imaging + symptoms +
Pulmonary Aspergillosis ... Acute - Invasive Aspergillosis ... Chronic Necrotizing Aspergillosis ... cavitary pulmonary aspergillosis ... fibrosing pulmonary aspergillosis