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KMID : 0882419940470030414
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Korean Journal of Medicine
1994 Volume.47 No. 3 p.414 ~ p.420
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Two Cases of Phechromocytoma of the Urnary Bladder
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조재용
김진안/안중배/정동운/김범수/이 석/라선영/조홍근/정윤석
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Abstract
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Pheochromocytoma originates from chromaffin cells and occurs in the adrenal medulla in majority. About 10percents of pheochromocytomas can occur in extra-adrenal sites, and anywhere along the fetal route of chromaffin tissues. Pheochromocytomas
involving the urinary bladder are rare neoplasms which probably account for less than 0.06% of all bladder tumors.
A characteristic symptom complex due to increased catecholamine release in association with detrusor activity during micturition is often the essential element required for the diagnosis of this rare lesion. However, the diagnosis is often
delayed
for
many years, because most physicians are unfamiliar with the symptoms, due to the rarity of this neoplasm.
We report two cases of functioning pheochromocytoma of the urinary bladder with typical symptoms. The tumors of patients were explored transperitoneally and removed by partial cystectomy.
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