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1.
Acta Biomed ; 91(3): ahead of print, 2020 08 10.
Article in English | MEDLINE | ID: covidwho-1389954

ABSTRACT

Platypnea-orthodeoxia syndrome (POS) is a clinical entity characterized by positional dyspnoea (platypnea) and arterial desaturation (orthodeoxia) that occurs when sitting or standing up and usually resolves by lying down. POS may result from some cardiopulmonary disorders or from other miscellaneous aetiologies. We report a case of POS in a patient after fibrotic evolution of SARS-CoV-2 interstitial pneumonia associated with pulmonary embolism. The patient did not have any evidence of an intracardiac/intrapulmonary shunt.


Subject(s)
Betacoronavirus , Coronavirus Infections/complications , Dyspnea/etiology , Lung Diseases, Interstitial/complications , Lung/diagnostic imaging , Pneumonia, Viral/complications , Aged , COVID-19 , Coronavirus Infections/diagnosis , Dyspnea/diagnosis , Female , Humans , Lung Diseases, Interstitial/diagnosis , Pandemics , Pneumonia, Viral/diagnosis , SARS-CoV-2 , Tomography, X-Ray Computed
2.
Tumori ; 106(4): 325-332, 2020 Aug.
Article in English | MEDLINE | ID: covidwho-610582

ABSTRACT

INTRODUCTION: In January 2020, the coronavirus disease 2019 (COVID-19) outbreak in Italy necessitated rigorous application of more restrictive safety procedures in the management and treatment of patients with cancer to ensure patient and staff protection. Identification of respiratory syndrome coronavirus 2 (SARS-CoV-2) infection was a challenge during the pandemic owing to a large number of asymptomatic or mildly symptomatic patients. METHODS: We report 5 patients with unknown SARS-CoV-2 infection undergoing positron emission tomography (PET)/computed tomography (CT) with radiopharmaceuticals targeting different tumor processes: 18F-FDG, 18F-choline (FCH), and 68Ga-PSMA. RESULTS: In all patients, PET/CT showed increased tracer uptake in the lungs corresponding to CT findings of SARS-CoV-2 pneumonia. Quantitative assessment of tracer uptake showed more elevated values for the glucose analogue 18F-FDG (mean SUVmax 5.4) than for the other tracers (mean SUVmax 3.5). CONCLUSIONS: Our findings suggest that PET/CT is a sensitive modality to hypothesize SARS-CoV-2 pneumonia in patients with cancer, even when asymptomatic. More data are needed to verify the correlation among immune response to SARS-CoV-2 infection, clinical evolution, and PET results. Under the strict safety measures implemented at the PET center, the number of potentially SARS-CoV-2-positive patients undergoing PET/CT was very low (1.6%), and no staff member has been diagnosed with infection as of April 30, 2020.


Subject(s)
Coronavirus Infections/diagnosis , Neoplasms/diagnosis , Pneumonia, Viral/diagnosis , Pneumonia/diagnosis , Positron Emission Tomography Computed Tomography , Betacoronavirus/pathogenicity , COVID-19 , Contrast Media/therapeutic use , Coronavirus Infections/complications , Coronavirus Infections/therapy , Coronavirus Infections/virology , Disease Outbreaks , Female , Fluorodeoxyglucose F18/therapeutic use , Gallium Isotopes , Gallium Radioisotopes , Humans , Italy/epidemiology , Lung/diagnostic imaging , Lung/pathology , Male , Membrane Glycoproteins/therapeutic use , Neoplasms/complications , Neoplasms/therapy , Neoplasms/virology , Organometallic Compounds/therapeutic use , Pandemics , Pneumonia/complications , Pneumonia/therapy , Pneumonia/virology , Pneumonia, Viral/complications , Pneumonia, Viral/therapy , Pneumonia, Viral/virology , Radiopharmaceuticals/therapeutic use , SARS-CoV-2
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