Pheochromocytoma is a catecholamine-producing tumor that arises from the chromaffin cell. This tuomr is known to surgically curable. This clinical study was performed on 11 cases of pheochromocytoma treated surgically the Department of Surgery of
Kosin
Medical College, from January 1987 to December 1992.
@ES The results are as follows:
@EN 1) The male to female ratio was 1:1.2. The most occured frequently in the forth and seventh decade occupying 82%, and most clinical symptoms and signs were presented with less than 1 year.
2. The most frequent clinical symptoms and signs were hypertension(82%) in which 4 cases apeared as paroxysmal type and 5 cases as sustained type, followed by headache, abdominal pain, palpitation, nausea, vomiting and perspiration.
3. The 24-hour urine VMA and metanephrine level were elevated in 8 cases and 5 cases.
4. Preoperative localization of tumor by CT, ultrasonography, selective angiography and IVP were 100% in accuracy.
5. The alpha-adrenergic blocker was used preoperatively in 10 cases to control hypertension.
6. Among the 11 cases, unilateral and bilateral adrenalectomy were performed in 7 cases and 3 cases, and bilateral posterior approach adrenalectomy was performed in 1 case.
7. The tumor was located in the adrenal gland in 100%. & 6 cases were found in right side, 1 case was found in bilateral side. The tumor size was 5~10cm in diameter in 73%.
8. Postoperative blood pressure was returned to normoactive level in 100%, postoperative 24 hour urine VMA and metanephrine ere found to be within normal range and significantly decreased.
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