Abstract
Spreading swiftly across the borders and over the seas, severe acute respiratory syndrome-related coronavirus-2 (SARS-COV-2), as causative pathogen of coronavirus disease 2019 (COVID-19), is currently the main global public health concern. “Cannonball appearance,” as a rare and yet underrated CT feature of COVID-19 pneumonia, has been typically linked to certain hematogenous pulmonary metastases and some inflammatory/infection conditions, including tuberculosis, but no other viral or atypical pneumonia. Cannonball appearance can bring diagnostic dilemmas and difficulties in monitoring treatment response in patients with or suspicious for hematogenous pulmonary metastasis. Hereby, we report two cases of COVID-19 delta variant-induced pneumonia manifesting unusually in chest CT scan with cannonball appearance.
Keywords: COVID-19; Cannonball appearance; Delta variant; Metastasis; Pneumonia; SARS-CoV-2.
【저자키워드】 COVID-19, Pneumonia, delta variant, SARS-CoV-2., Cannonball appearance, Metastasis, 【초록키워드】 coronavirus disease, SARS-CoV-2, Coronavirus disease 2019, COVID-19 pneumonia, Tuberculosis, diagnostic, Delta, delta variant, Severe acute respiratory syndrome, Patient, Severe acute respiratory syndrome-related coronavirus, Coronavirus-2, Atypical pneumonia, Metastasis, Atypical, chest CT scan, Severe acute respiratory syndrome-related coronavirus-2, acute respiratory syndrome, Treatment response, global public health, causative pathogen, spreading, conditions, hematogenous,