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KMID : 0986520140140040228
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Korean Journal of Endoscrine Surgery
2014 Volume.14 No. 4 p.228 ~ p.234
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Surgical Approach of the Rare Benign Adrenal Tumor
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Kim Sung-Hoon
Lee Jun-Ho
Kim Jee-Soo
Choe Jun-Ho
Nam Seok-Jin
Lee Jeong-Eon
Kim Seok-Won
Kil Won-Ho
Kim Jeong-Han
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Abstract
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Purpose: Benign adrenal tumors other than hyper-functioning tumor and non-functioning cortical adenoma are extremely rare. The purpose of this study is to review the clinical features of these rare benign adrenal tumors and to analyze their prevalence and the proper surgical approach for them.
Methods: Among patients who underwent adrenalectomy in Samsung Medical Center, between 1997 and 2013, patients with benign adrenal tumor except non-functioning cortical adenoma, malignancy, and hyper-functioning tumor such as pheochromocytoma, aldosteronoma, and cortisol producing tumor were included. Clinical details, radiologic findings and pathologic findings as well as data associated with the surgical procedure were analyzed retrospectively.
Results: The percentage of these tumors among 703 surgically removed adrenal tumors was 10.7% (75 cases). They included 30 adrenal cysts, 18 ganglioneuromas, 11 myelolipomas, seven schwannomas, and the other six were rare adrenal tumors. Approximately 40% of the patients were operated under a diagnosis different from original tumors. Operation time and hospital stay of patients who underwent laparoscopic adrenalectomy were shorter than those of patients who underwent open adrenalectomy.
Conclusion: These benign adrenal tumors are very rare and difficult to diagnose preoperatively. For the surgical treatment of these tumors, laparoscopic adrenalectomy is more preferable to conventional open adrenalectomy.
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KEYWORD
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Rare benign adrenal tumor, Adrenal cyst, Ganglioneuroma, Myelolipoma, Schwannoma
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