1. Benign Giant-Cell Tumor of Bone with Metastasis to Mediastinal Lymph Nodes. A Case Report of Resection Facilitated with Use of steroids* by JONATHAN J. LEWIS, JOHN H. HEALEY, ANDREW G. HUVOS, and MICHAEL BURT J Bone Joint Surg Am Volume 78(1):106-10 January 1, 1996 ©1996 by The Journal of Bone and Joint Surgery, Inc.

2. Computed tomography scan of the chest, made at the time of the initial workup of the mediastinal mass, showing a large mass compressing the superior vena cava in the cephalad part of the anterior mediastinum. JONATHAN J. LEWIS et al. J Bone Joint Surg Am 1996;78:106-10 ©1996 by The Journal of Bone and Joint Surgery, Inc.

3. Computed tomography scan of the chest, made five months after the initial workup of the mediastinal mass, showing considerable regression of the tumor. JONATHAN J. LEWIS et al. J Bone Joint Surg Am 1996;78:106-10 ©1996 by The Journal of Bone and Joint Surgery, Inc.

4. Photomicrograph, made in March 1986, of a specimen from the primary giant-cell tumor of bone, showing numerous osteoclastic multinucleated giant cells and a cellular stroma without cytological atypia. JONATHAN J. LEWIS et al. J Bone Joint Surg Am 1996;78:106-10 ©1996 by The Journal of Bone and Joint Surgery, Inc.

5. Photomicrograph, made in June 1992, of a specimen from the metastatic giant-cell tumor in the mediastinum, demonstrating scattered multinucleated giant cells with a cellular stroma exhibiting no signs of malignant tumor. JONATHAN J. LEWIS et al. J Bone Joint Surg Am 1996;78:106-10 ©1996 by The Journal of Bone and Joint Surgery, Inc.

6. Photomicrograph, made in November 1992, of a specimen from the metastatic giant-cell tumor in a mediastinal lymph node, showing lymphoid tissue of the lymph node on the right (hematoxylin and eosin, x 100). JONATHAN J. LEWIS et al. J Bone Joint Surg Am 1996;78:106-10 ©1996 by The Journal of Bone and Joint Surgery, Inc.