Transcatheter Arterial Embolization for Unilateral Active Adrenal Hemorrhage that Developed after Coronavirus Disease 2019 Infection: A Case Report

Case presentation: A 73-year-old previously healthy man presented to our hospital with sudden right-sided abdominal pain. The patient had a history of coronavirus disease 2019. Contrastenhanced computed tomography of the abdomen revealed a right adrenal hemorrhage. Urgent transcatheter arterial embolization was performed: the middle adrenal artery was embolized. Follow-up computed tomography after 3 days revealed a shrunken hematoma. Several tests performed the day after admission revealed no suspected causes other than coronavirus disease 2019 infection, including neoplastic diseases. Since the patient's condition was stable, he was discharged after 8 days of hospitalization. Conclusion: We encountered a case of post-coronavirus disease 2019 unilateral adrenal hemorrhage, wherein the infection may have increased the risk of bleeding or thromboembolism. However, the exact frequency of adrenal hemorrhage secondary to coronavirus disease 2019 remains unknown. Hence, clinicians should be aware that adrenal hemorrhage might be a possible delayed consequence of coronavirus disease 2019.