Acute extrinsic allergic alveolitis

Case contributed by Dr Fabio Macori

Presentation

Sudden onset of cough and fever.

Patient Data

Age: 30 years
Gender: Female

CT demonstrates diffuse bilateral ground-glass opacities, poorly defined small centrilobular nodules in miliar distribution, and lobular areas of decreased attenuation with some subpleural nodular areas with a halo sign.

Case Discussion

This patient told she slept near her pet parrot. 

Learning point: In this historical period characterized by the worldwide spread of Sar-CoV-2 infection, it is important to collect the patient's clinical history to differentiate the different forms of pneumonia when the clinical symptoms may be similar (not CT findings).

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Case information

rID: 85293
Published: 21st Dec 2020
Last edited: 26th Dec 2020
System: Chest
Inclusion in quiz mode: Included

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