• Eur. J. Nucl. Med. Mol. Imaging · Jul 2021

    Signs of tracheobronchitis may constitute the principal finding on the lung SPECT/CT images of COVID-19 patients.

    • Achraf Bahloul, Antoine Verger, Damien Mandry, Hélène Jeulin, François Goehringer, Gilles Karcher, Laetitia Imbert, and Pierre-Yves Marie.
    • Department of Nuclear Medicine, Nancyclotep, CHRU-Nancy, Université de Lorraine, Nancy, France.
    • Eur. J. Nucl. Med. Mol. Imaging. 2021 Jul 1; 48 (8): 2525-2530.

    BackgroundThis study aimed to analyze the rates of tracheobronchitis signs observed on the ventilation scans of COVID-19 patients with shortness of breath, with comparisons to a non-COVID population.MethodsLung scintigraphy was collected in 10 such COVID patients, as well as from a non-COVID population investigated outside the epidemic wave period, on a CZT-SPECT/CT system, with ventilation images recorded with 99mTc-labeled Technegas® and perfusion images with 99mTc-labeled albumin macroaggregates.ResultsA diffuse tracheobronchial uptake was observed on the ventilation scans from 3 COVID patients (30%), whereas this rate was 3% (3/90) in the non-COVID group (P = 0.013). These 3 patients had no laryngeal extension of Technegas® uptake and limited parenchymal lung abnormalities. Follow-up scintigraphy demonstrated the withdrawal of tracheobronchitis signs in two cases, and the advent of a severe pulmonary embolism in one.ConclusionSigns of tracheobronchitis may constitute the principal finding on lung SPECT/CT images of COVID-19 patients with shortness of breath.

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