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Ground-glass opacity is a very frequent and unspecified finding in chest computed tomography. Therefore, it admits a wide range of differential diagnoses in the acute context, from viral pneumonias such as influenza virus, coronavirus disease 2019 and cytomegalovirus and even non-infectious lesions, such as vaping, pulmonary infarction, alveolar hemorrhage and pulmonary edema. For this diagnostic differentiation, ground glass must be correlated with other findings in imaging tests, with laboratory tests and with the patients’ clinical condition. In the context of a pandemic, it is extremely important to remember the other pathologies with similar findings to coronavirus disease 2019 in the imaging exams.
Differential diagnoses of acute ground-glass opacity in chest computed tomography: pictorial essay
Matos,Marina Justi Rosa de and Rosa,Marcela Emer Egypto and Brito,Vanessa Mizubuti and Amaral,Lucas Tadashi Wada and Beraldo,Gabriel Laverdi and Fonseca,Eduardo Kaiser Ururahy Nunes and Chate,Rodrigo Caruso and Passos,Rodrigo Bastos Duarte and Silva,Murilo Marques Almeida and Yokoo,Patrícia and Sasdelli Neto,Roberto and Teles,Gustavo Borges da Silva and Silva,Marina Carolina Bueno da and Szarf,Gilberto. Differential diagnoses of acute ground-glass opacity in chest computed tomography: pictorial essay. Einstein (Sao Paulo). [online]. 2021, vol. 19, [cited 2025-10-11], eRW5772. Available from: <https://journal.einstein.br/article/differential-diagnoses-of-acute-ground-glass-opacity-in-chest-computed-tomography-pictorial-essay/>. ISSN 1679-4508. https://doi.org/10.31744/einstein_journal/2021RW5772
Figure 1
An 85-year-old male patient presented with epistaxis and hematuria
for one day. He reported having had recently increased the dose of warfarin.
Computed tomography in (A) Axial section and (B) Coronal reformation image:
numerous centrilobular ground-glass opacities distributed in all pulmonary lobes
An 85-year-old male patient presented with epistaxis and hematuria
for one day. He reported having had recently increased the dose of warfarin.
Computed tomography in (A) Axial section and (B) Coronal reformation image:
numerous centrilobular ground-glass opacities distributed in all pulmonary lobes
