간세포암 위험이 있는 환자들에 대해 국제 가이드라인들은 6개월마다 초음파로 감시할 것을 권고하고 있다. 그러나 초음파는 초기 간세포암을 발견하는 데에 낮은 민감도를 보인다. 한편, 자기공명영상(MRI)은 간세포암을 비침습적으로 진단하는 데 중요한 역할을 하지만, 검사 시간이 길고 비용이 높아서 감시 검사로는 적합하지 않다. 따라서 비조영증강 단축 MRI, 역동적 조영증강 단축 MRI, 그리고 간담도기영상을 포함한 단축 MRI 등 다양한 단축 MRI 전략들을 간세포암 감시에 이용한 여러 연구들이 있었다. 이 종설에서는 다양한 단축 MRI 전략들을 살펴보고, 비용-효과적인 측면을 고려하여 간세포암 감시의 앞으로 나아가야 할 방향에 대해 살펴보고자 한다.
Lipoma arborescens (LA) is a rare lesion that causes joint effusion and pain. LA usually presents as a unilateral knee lesion, and bilateral lesions are extremely rare. LA among adolescent patients is also extremely rare with the disorder having a much higher incidence among adults. This paper reports a 14-year-old boy who was treated for bilateral knee LA. X-rays revealed the characteristic features of LA in both knees, and arthroscopic synovectomy was performed to resect the lesions. Postoperative recovery progressed smoothly, and the patient was eventually relieved of pain and swelling. LA should be considered when adolescent patients present with bilateral pain and swelling, even though this condition is rare in this age group. Furthermore, surgical synovectomy for a complete resection is an appropriate treatment option.
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