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Treatment of Simple Bone Cysts in Children with Curettage and Cryosurgery

Schreuder, H. W. Bart M.D.; Conrad, Ernest U. III M.D.*; Bruckner, James D. M.D.*; Howlett, Andrew T. G. M.S.*; Sorensen, Lyle S. M.D.*

Tumors

A retrospective study in children with simple or unicameral bone cysts treated with curettage, cryosurgery, and bone grafting was conducted. The purpose of this study was to evaluate local tumor control and bony healing after this method of treatment. Five (12%) of 42 treated patients had a local recurrence with a mean clinical follow-up of 24.5 months. Surgical complications consisted of two superficial wound infections, one radial nerve palsy, and two fractures, which all resolved completely. A review of the literature was performed to compare our results with historic controls using steroid-injection therapy and curettage with bone grafting alone. We believe that the use of cryosurgery as adjuvant therapy in the surgical treatment of simple bone cysts is of value in controlling local recurrences and achieving bony consolidation.

From the Dutch Cancer Society, Department of Orthopaedics, University Hospital Nijmegen, The Netherlands; *Bone Tumor Clinic, Department of Pediatric Orthopedics, Children's Hospital and Medical Center, Seattle, Washington, U.S.A.

Study conducted at Children's Hospital and Medical Center, Seattle, Washington, U.S.A.

Address correspondence and reprint requests to Dr. E. U. Conrad III, Department of Orthopedics, Mailstop 356500, University Hospital Medical Center, Seattle, WA 98195, U.S.A.

© Lippincott-Raven Publishers.