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Calcification in invasive tracheal aspergillosis demonstrated on ultrasound: a new finding

Departments of ¹Radiology and ²Paediatrics, St George's Hospital NHS Trust, Blackshaw Road, London SW17 0QT, UK

View larger version (135K): [in a new window]   Figure 1. Contrast enhanced CT demonstrating a circumferential homogeneous soft tissue mass (arrowheads) with tracheal narrowing and lateral displacement of the lobes of the thyroid.

View larger version (74K): [in a new window]   Figure 2. (a) Longitudinal and (b) axial ultrasound examinations of the neck demonstrating the circumferential tracheal soft tissue mass (large arrows). Several echogenic foci are seen within the mass, some of which appear to be in an air-containing fistula arising from the tracheal lumen (small arrows).

View larger version (57K): [in a new window]   Figure 3. (a) Longitudinal and (b) axial ultrasound examinations of the neck at 4 weeks. Calcification has developed around the trachea (curved arrows).

View larger version (141K): [in a new window]   Figure 4. Contrast enhanced CT confirming an outer cuff of calcification, with multiple air pockets within the residual soft tissue mass. The tracheal lumen (T) remains narrowed.