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서일영(Ill Young Seo) 대한비뇨기종양학회 2010 대한비뇨기종양학회지 Vol.8 No.1
Bladder cancer is the second common cancer in genitourinary system. It is detected at early stage in most cases. However cystoscopy has an inadequate role to detect a flat lesion such as carcinoma in situ. Fluorescence cystoscopy has developed to improve the detection rate of bladder cancer as a photodynamic diagnosis. The principle of the detection is based on the preferential accumulation of photoactive porphyrins in cancer cells. The common agents for the fluorescence cystoscopy, photosensitizers, are 5-aminolevulinic acid (ALA), hexyl aminolevulininate (HAL), and hypericin. Some studies shows that the fluorescence cystoscopy improve the detection rate of bladder cancer, which may improve the prognosis. However it has to overcome shortcomings including false positive rate, limited time to use, and restriction to evaluate more invasive lesion.
A Rare Case of Bronchogenic Cyst Mistaken for Adrenal Tumor
Hae Do Jung(정해도),Ill Young Seo(서일영) 대한비뇨기종양학회 2019 대한비뇨기종양학회지 Vol.17 No.3
Bronchogenic cysts are rare congenital malformations, most often occurring in the pulmonary parenchyma or posterior mediastinum. But they can develop in the ectopic area, especially in the retroperitoneal space. We report a case of adrenal bronchial cyst treated with laparoscopic excision. A 55-year-old woman was admitted with a left adrenal tumor on computed tomography during a study for dyspnea, cough, and sweats. The function of the adrenal glands was examined, and as a result, the adrenal tumors were determined to be nonfunctional. Magnetic resonance imaging showed about an 8-cm-sized large unilocular cystic lesion with mild and high signal intensities at left suprarenal fossa on T1 and T2 images. Iodine-123 metaiodobenzylguanidine scan showed no scintigraphic evidence of neuroendocrine tumor in the left adrenal gland. We performed laparoscopic adrenalectomy with transperitoneal approach. The round, cystic mass was completely excised saving normal adrenal tissues. The operative time was 75 minutes and there was no definitive bleeding and complication. The pathologic tissue weighed 35 g and measured 88 mm×45 mm×28 mm, and cystic changes were observed on the cut surface. The pathologic examination confirmed an adrenal bronchogenic cyst. We report a very rare disease, adrenal bronchial cyst, which could be easily and safely treated with laparoscopic surgery.
이정우,서일영,정희종 원광대학교 의과학연구소 2009 圓光醫科學 Vol.24 No.1
요도구 주위 낭종은 드문 선천성 이상으로 대개 무증상이며, 증상이 있을 시 완전절제술이 필요하다. 저자들은 드문 요도구 주위 낭종 2례를 완전 절제술로 치료하였기에 문헌고찰과 함께 보고하는 바이다. Parameatal urethral cyst is a very rare congenital anomaly and very few cases has been reported in the literature. The usual age of presentation is early to late childhood. It is usually asymptomatic in infancy. The usual symptom are spraying or deflection of urinary stream and poor cosmesis. Complete excision of the cyst is required for treatment and prevention of recurrence. We report 2 cases of parameatal urethral cyst in 24-year-old and 38-year-old male.