Liakos P, Schoenecker P L, Lyons D, Gordon J E
Department of Orthopaedic Surgery, Washington University School of Medicine, U.S.A.
J Pediatr Orthop. 2001 Jul-Aug;21(4):433-5.
A standing anteroposterior pelvic radiograph with gonadal shielding is used as a screening tool for all patients evaluated for intoeing at our institution. Sixty-two normal consecutive screening pelvic radiographs obtained in 61 female patients between the ages of 4 and 6 years were evaluated. Radiographs were evaluated for the adequacy to assess the hips as well as the protection afforded the ovaries from radiation exposure. Radiographs were judged to be inadequate because the shield covered essential landmarks in at least one hip in eight radiographs (13%). Five radiographs (8%) covered >50% of the area of both ovaries, and only one radiograph covered >75% of the area of both ovaries. Standard techniques of positioning gonadal shields in preadolescent girls are inadequate and provide minimal protection with a high rate of interference with vital landmarks. We no longer advocate using gonadal shields on initial screening radiographs of preadolescent girls.
在我们机构，对于所有因内八字足接受评估的患者，均使用带有性腺防护装置的站立位骨盆前后位X线片作为筛查工具。对61名4至6岁女性患者连续获得的62张正常筛查骨盆X线片进行了评估。评估了X线片评估髋关节的充分性以及性腺防护装置对卵巢的辐射防护情况。八张X线片（13%）被判定为不充分，因为防护装置至少覆盖了一侧髋关节的关键标志点。五张X线片（8%）覆盖了双侧卵巢面积的50%以上，只有一张X线片覆盖了双侧卵巢面积的75%以上。在青春期前女孩中定位性腺防护装置的标准技术并不充分，防护效果甚微，且对关键标志点的干扰率很高。我们不再提倡在青春期前女孩的初次筛查X线片上使用性腺防护装置。
