tetano
Editor, Senior Moderator
Am J Clin Pathol
. 2021 Apr 29;aqab009.
doi: 10.1093/ajcp/aqab009. Online ahead of print.
Liver Pathology and SARS-CoV-2 Detection in Formalin-Fixed Tissue of Patients With COVID-19
Yevgen Chornenkyy[SUP] 1 [/SUP], Melissa Mejia-Bautista[SUP] 1 [/SUP], Melanie Brucal[SUP] 1 [/SUP], Timothy Blanke[SUP] 1 [/SUP], David Dittmann[SUP] 1 [/SUP], Anjana Yeldandi[SUP] 1 [/SUP], Justin R Boike[SUP] 2 [/SUP], Jon W Lomasney[SUP] 1 3 [/SUP], Ritu Nayar[SUP] 1 [/SUP], Lawrence J Jennings[SUP] 1 [/SUP], Maryam Kherad Pezhouh[SUP] 1 [/SUP]
Affiliations
Abstract
Objectives: The novel coronavirus, severe acute respiratory syndrome coronavirus 2, causing coronavirus disease 2019 (COVID-19) remains a global health threat and a significant source of human morbidity and mortality. While the virus primarily induces lung injury, it also has been reported to cause hepatic sequelae.
Methods: We aimed to detect the virus in formalin-fixed tissue blocks and document the liver injury patterns in patients with COVID-19 compared with a control group.
Results: We were able to detect viral RNA in the bronchioalveolar cell blocks (12/12, 100%) and formalin-fixed, paraffin-embedded tissue of the lung (8/8, 100%) and liver (4/9, 44%) of patients with COVID-19. Although the peak values of the main liver enzymes and bilirubin were higher in the patients with COVID-19 compared with the control group, the differences were not significant. The main histologic findings were minimal to focal mild portal tract chronic inflammation (7/8, 88%, P < .05) and mild focal lobular activity (6/8, 75%, P = .06).
Conclusions: We found that most patients who died of COVID-19 had evidence of mild focal hepatitis clinically and histologically; however, the virus was detected in less than half of the cases.
Keywords: Autopsy; Cytopathology; Gastrointestinal; Hepatopathology; Molecular diagnostics.
. 2021 Apr 29;aqab009.
doi: 10.1093/ajcp/aqab009. Online ahead of print.
Liver Pathology and SARS-CoV-2 Detection in Formalin-Fixed Tissue of Patients With COVID-19
Yevgen Chornenkyy[SUP] 1 [/SUP], Melissa Mejia-Bautista[SUP] 1 [/SUP], Melanie Brucal[SUP] 1 [/SUP], Timothy Blanke[SUP] 1 [/SUP], David Dittmann[SUP] 1 [/SUP], Anjana Yeldandi[SUP] 1 [/SUP], Justin R Boike[SUP] 2 [/SUP], Jon W Lomasney[SUP] 1 3 [/SUP], Ritu Nayar[SUP] 1 [/SUP], Lawrence J Jennings[SUP] 1 [/SUP], Maryam Kherad Pezhouh[SUP] 1 [/SUP]
Affiliations
- PMID: 33914058
- DOI: 10.1093/ajcp/aqab009
Abstract
Objectives: The novel coronavirus, severe acute respiratory syndrome coronavirus 2, causing coronavirus disease 2019 (COVID-19) remains a global health threat and a significant source of human morbidity and mortality. While the virus primarily induces lung injury, it also has been reported to cause hepatic sequelae.
Methods: We aimed to detect the virus in formalin-fixed tissue blocks and document the liver injury patterns in patients with COVID-19 compared with a control group.
Results: We were able to detect viral RNA in the bronchioalveolar cell blocks (12/12, 100%) and formalin-fixed, paraffin-embedded tissue of the lung (8/8, 100%) and liver (4/9, 44%) of patients with COVID-19. Although the peak values of the main liver enzymes and bilirubin were higher in the patients with COVID-19 compared with the control group, the differences were not significant. The main histologic findings were minimal to focal mild portal tract chronic inflammation (7/8, 88%, P < .05) and mild focal lobular activity (6/8, 75%, P = .06).
Conclusions: We found that most patients who died of COVID-19 had evidence of mild focal hepatitis clinically and histologically; however, the virus was detected in less than half of the cases.
Keywords: Autopsy; Cytopathology; Gastrointestinal; Hepatopathology; Molecular diagnostics.