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Multifocal Osteonecrosis in the Foot and Ankle After Extracorporeal Membrane Oxygenation: A Case Report

Nhat Tien TranDepartment Orthopedic Surgery, Jeonbuk National University Medical School, Research Institute of Clinical Medicine of Jeonbuk National University–Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, South Korea.

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Kwang-Bok LeeDepartment Orthopedic Surgery, Jeonbuk National University Medical School, Research Institute of Clinical Medicine of Jeonbuk National University–Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, South Korea.

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Osteonecrosis is acknowledged as a relatively uncommon disorder caused by various factors, including autoimmune diseases, drug-induced diseases, inherited metabolic disorders, coagulation disorders, and underlying malignancies. To our knowledge, no previous research has investigated osteonecrosis stemming from extracorporeal membrane oxygenation. Herein, we report a rare case of postperipheral venoarterial extracorporeal membrane oxygenation–induced multifocal osteonecrosis in the foot and ankle that demonstrated a low serpiginous peripheral signal on T1-weighted images and a double-line sign on fat-suppressed or T2-weighted magnetic resonance images. Conservative treatment was applied, and the patient was mostly recuperated after 6 months.

Corresponding author: Kwang-Bok Lee, MD, Department of Orthopedic Surgery, Jeonbuk National University Medical School, Jeonbuk National University Hospital, 634-18, Keumam-dong, Jeonju-shi, Jeonbuk, South Korea. (E-mail: osdr2815@naver.com)