1. Spontaneous Recurrent Hemarthrosis of the Knee Joint: Endovascular Treatment of a Ruptured Aneurysm with Platinum Microcoils. A Case Report* by GUENTHER E. KLEIN, JOHANN RAITH, JOERG PASSLER, DIETER H. SZOLAR, ERICH SORANTIN, and KLAUS A. HAUSEGGER J Bone Joint Surg Am Volume 79(4):594-6 April 1, 1997 ©1997 by The Journal of Bone and Joint Surgery, Inc.

2. Figs. 1-A through 1-D: A fifty-one-year-old man who had spontaneous recurrent hemarthrosis. GUENTHER E. KLEIN et al. J Bone Joint Surg Am 1997;79:594-6 ©1997 by The Journal of Bone and Joint Surgery, Inc.

3. Fig. 1-B Superselective angiogram made by means of the microcatheter (small arrows), with its tip (long large arrow) in the pre-aneurysmal segment of the artery, demonstrating extravasation of contrast medium (short large arrow). GUENTHER E. KLEIN et al. J Bone Joint Surg Am 1997;79:594-6 ©1997 by The Journal of Bone and Joint Surgery, Inc.

4. Fig. 1-C Angiogram showing two straight microcoils (curved arrow), implanted by means of the microcatheter (straight arrow). GUENTHER E. KLEIN et al. J Bone Joint Surg Am 1997;79:594-6 ©1997 by The Journal of Bone and Joint Surgery, Inc.

5. Fig. 1-D Angiogram showing no circulation into the aneurysm after occlusion. GUENTHER E. KLEIN et al. J Bone Joint Surg Am 1997;79:594-6 ©1997 by The Journal of Bone and Joint Surgery, Inc.