1. Spontaneous Healing of a Tear of the Anterior Cruciate Ligament. A Report of Two Cases* by MASAHIRO KUROSAKA, SHINICHI YOSHIYA, TOSHIYUKI MIZUNO, and KOSAKU MIZUNO J Bone Joint Surg Am Volume 80(8):1200-3 August 1, 1998 ©1998 by The Journal of Bone and Joint Surgery, Inc.

2. Fig. 1-A, 1-B, and 1-C: Case 1. MASAHIRO KUROSAKA et al. J Bone Joint Surg Am 1998;80:1200-3 ©1998 by The Journal of Bone and Joint Surgery, Inc.

3. Figs. 1-A and 1-B: Arthroscopy, performed seven days after the injury, showed a tear of the distal end of the anterior cruciate ligament. MASAHIRO KUROSAKA et al. J Bone Joint Surg Am 1998;80:1200-3 ©1998 by The Journal of Bone and Joint Surgery, Inc.

4. Fig. 1-C Arthroscopy, performed four months after the injury, demonstrated abundant scar formation (arrows). MASAHIRO KUROSAKA et al. J Bone Joint Surg Am 1998;80:1200-3 ©1998 by The Journal of Bone and Joint Surgery, Inc.

5. Figs. 2-A through 2-D: Case 2. MASAHIRO KUROSAKA et al. J Bone Joint Surg Am 1998;80:1200-3 ©1998 by The Journal of Bone and Joint Surgery, Inc.

6. Fig. 2-B The denuded original femoral insertion (arrow) could be identified by additional probing. MASAHIRO KUROSAKA et al. J Bone Joint Surg Am 1998;80:1200-3 ©1998 by The Journal of Bone and Joint Surgery, Inc.

7. Fig. 2-C The mid-portion of the ligament was intact, and no bleeding or laceration was noted. MASAHIRO KUROSAKA et al. J Bone Joint Surg Am 1998;80:1200-3 ©1998 by The Journal of Bone and Joint Surgery, Inc.

8. Fig. 2-D Six months after the injury, a 30-degree arthroscope was introduced from the anteromedial portal to allow visualization of the entire anterior cruciate ligament. MASAHIRO KUROSAKA et al. J Bone Joint Surg Am 1998;80:1200-3 ©1998 by The Journal of Bone and Joint Surgery, Inc.