CORADS - COVID 19 - SIMPLIFIED
• Explained in simple words with typical examples
•
• COVID-19 (coronavirus disease 2019) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), a strain of coronavirus.
• The first cases were seen in Wuhan, China, in December 2019 before spreading globally, with more than 20 million cases now confirmed.
• Currently CT chest is not used to diagnose COVID-19, but maybe helpful in triage and assessing for complications.
• The definitive test for SARS-CoV-2 is the real-time reverse transcriptase-polymerase chain reaction (RT-PCR) test. It is believed to be highly specific, but with sensitivity reported as low as 60-70%
• Thus, false negatives are a real clinical problem, and several negative tests might be required in a single case to be confident about excluding the disease.
CO-RADS
• the Dutch Association for Radiology proposed CO-RADS (COVID-19 Reporting and Data System) for reporting of CT chest of suspected patients, to ensure CT reporting is uniform and replicable.
• It represents the only level of suspicion of COVID19.
• It doesnot represents severity.
• For example, if CORADS is 5 then there is very high chances of COVID 19.