Background: the 2019 coronavirus disease pandemic (COVID-19) has spread at an astonishing speed across the world, causing major morbidity and mortality. Computed tomography (CT) examination plays an important role in crisis areas in the diagnosis of COVID-19. COVID-19 Reporting and Data System (CO-RADS) has a five-point scale of suspicion for COVID-19 pneumonia in chest CT picture which standardizes the evaluation scheme and simplifies reporting. Aim: to summarise and present the role of COVID-19 Reporting and Data System in computed tomography of bilateral pneumonia diagnostic. Materials and methods: recently published studies were reviewed to evaluate COVID-19 Reporting and Data System scale as effective tool to detect COVID-19 pneumonia on chest CT scans. Databases from the subscription list of Lithuanian University of Health Sciences were selected: Medline (PubMed), SpringerLink and ScienceDirect. Results: chest CT features, as bilateral involvement, subpleural or peripherally distributed GGO, consolidation, reticulation, crazy paving pattern, air bronchogram signs, intralobular septal thickening, pulmonary vascular enlargement, are considered to be characteristic manifestations of COVID-19 infection. Studies show that Dutch Radiological Society presented CO-RADS scale sensitivity and specificity may vary from 61-88% and 66,4-98%, respectively. Conclusion: chest CT scan has a high sensitivity for COVID-19 diagnosis and could reduce false negative results obtained from RT-PCR tests. Furthermore, a standardized reporting system could increase clarification, minimize reporting variability and help radiologists recognize the results they observe, especially, for less experienced specialists.
Kasos vėžys yra viena dažniausių mirties nuo vėžio priežasčių išsivysčiusiose šalyse, tačiau yra ne viena nenavikinės kilmės būklė, kurios metu gali formuotis kasos dariniai, imituojantys šio organo vėžį. Viena jų – uždegiminis pseudotumoras. Jo dažnai nepavyksta diferencijuoti nuo kitų agresyvesnių neneoplastinės kilmės darinių, remiantis vien klinikiniais ir radiologiniais tyrimais – diagnozei patikslinti reikalingas histologinis tyrimas. Šiame straipsnyje pristatomas uždegiminio pseudotumoro klinikinis atvejis, kai šis darinys imitavo kasos vėžį, o tiksli diagnozė buvo nustatyta tik atlikus išsamesnius radiologinius ir histologinį tyrimus.
Brenerio navikas priskiriamas epitelinių kiaušidžių navikų grupei. Dažniausiai tai gerybinis navikas, įprastai randamas atsitiktinai, itin retais atvejais gali būti randamos ir piktybinės jo formos. Brenerio naviko dažnai nepavyksta diferencijuoti nuo kitų kiaušidžių neoplastinių darinių, remiantis vien klinikiniais ir radiologiniais tyrimais – diagnozei patikslinti reikalingas histologinis tyrimas. Pagrindinis šio naviko gydymas yra chirurginis, todėl labai svarbi priešoperacinė diagnozė, kuri lemia operacijos radikalumą. Šiuo klinikiniu atveju Brenerio navikas rastas magnetinio rezonanso metu ir diagnozė patikslinta histologiniu tyrimu.
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