“Ground glass opacity” sign in lung diseases: nuances of radiological diagnosis and correct interpretation; [Симптом «матового стекла» при заболеваниях легких: особенности лучевой диагностики и корректной интерпретации]

“Ground glass opacity” (GGO) sign is one of the most common radiological symptoms of lung diseases that has become the focus of discussion by the general medical community during the pandemic of COVID19. Nonspecificity of GGO and the variety of diseases accompanied by this sign hinder the correct interpretation and differential diagnosis. The purpose of this review is to study the differential diagnostic features of GGO detected by multispiral computed tomography in various lung diseases. Conclusion. Knowledge of the features of GGO CTpattern in various lung diseases significantly facilitates the interpretation of the imaging results and speeds up the differential diagnosis. © Karpova A.A. et al., 2024.