Tree in bud pattern

Case contributed by Dr Azza Elgendy


Increasing cough. History of lymphoma 10 years ago and asthma.

Patient Data

Age: 75 years

Areas of consolidation along with ground glass opacity involving the lingual, contiguous with the inferior lateral portion of the left upper lobe abutting the left major fissure. A similar pattern but smaller areas are identified involving the lateral segment middle lobe. Multiple centrilobular nodules, many with a tree in bud type configuration, with minor ground glass opacity are identified involving primarily the lateral aspect of the left lower lobe.

Annotated image

Multiple centrilobular nodules, some with tree in bud configuration (green arrow).

Case Discussion

The case shows left greater than right, predominantly basilar mixed consolidative airspace and patchy ground glass opacity intermixed with tree in bud type nodularity. 

Differential diagnosis:

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Case information

rID: 39022
Published: 16th Aug 2015
Last edited: 14th Aug 2019
System: Chest
Inclusion in quiz mode: Included

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