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Case Reports

Aneurysmal Bone Cyst in the First Rib

^a Department of Thoracic Surgery, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou
^c Department of General Surgery, Henan Tumor Hospital, Zhengzhou
^d Department of Pathophysiology, Sun Yat-sen University Medical School, Guangzhou, Peoples Republic of China
^b Department of General Internal Medicine, Ambulatory Treatment and Emergency Care, The University of Texas M. D. Anderson Cancer Center, Houston, Texas

Accepted for publication December 14, 2007.

^_* Address correspondence to Dr Pan, Department of Pathophysiology, Sun Yat-sen University Medical School, Guangzhou, 510089, Peoples Republic of China (Email: jingx_pan{at}yahoo.com.cn).

Aneurysmal bone cyst is a benign tumor of the skeletal system that rarely occurs in ribs. We report two cases of aneurysmal bone cyst in the first rib. The first patient was a 21-year-old woman with an aneurysmal bone cyst in the left first rib that was resected with an L incision. The second patient was a 42-year-old man with an aneurysmal bone cyst in the right first rib that was resected with a posterolateral incision but recurred 1 year later. An en bloc resection was performed, without recurrence to date. We also review this disease with emphasis on the etiology, clinicopathology, and treatment approaches.