参考资料:
Crocker C, Akl M, Abdolell M, Kamali M, Costa A. Ultrasound and CT in the Diagnosis of Appendicitis: Accuracy With Consideration of Indeterminate Examinations According to STARD Guidelines. AJR Am J Roentgenol. 2020;215(3):639-44. doi:10.2214/ajr.19.22370 - Pubmed