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An exclusively dopamine secreting paraganglioma in the retroperitoneum
Jin Wook Yi,Eun Mee Oh,Kyu Eun Lee,June Young Choi,Do Hoon Koo,Kyung Joo Kim,Kyeong-Cheon Jung,Seong-Yeon Kim,Yeo-Kyu Youn 대한외과학회 2012 Annals of Surgical Treatment and Research(ASRT) Vol.82 No.6
Exclusively dopamine producing retroperitoneal paragangliomas are extremely rare. We have experienced the first Korean case managed successfully based on the proper evaluation. A 26-year-old female patient came to our attention after the accidental detection of an adrenal mass. She had no symptoms and denied any family history. Laboratory evaluations were normal but serum dopamine (425 ng/L) and 24-hour urine dopamine levels (1,565.3 ㎍/day) were elevated. She underwent laparoscopic right adrenalectomy. Histopathological diagnosis was a paraganglioma. After operation, dopamine levels in serum and 24-hour urine dropped to 0.09 ng/L and 388.4 ㎍/day. Dopamine producing paraganglioma elicit no clinical symptoms. Only the dopamine level is elevated in serum and 24-hour urine samples. Surgical resection without using preoperative alpha blockage is the treatment of choice. The prognosis for patients with this tumor tends to be poor because the diagnosis is usually delayed due to lack of symptoms.
Transoral endoscopic surgery for papillary thyroid carcinoma
Jin Wook Yi,Sang Gab Yoon,Hyun Soo Kim,Hyeong Won Yu,Su-Jin Kim,Young Jun Chai,June Young Choi,Kyu Eun Lee 대한외과학회 2018 Annals of Surgical Treatment and Research(ASRT) Vol.95 No.2
Purpose: The transoral endoscopic thyroid surgery vestibular approach (TOETVA) is one of the newest techniques which do not result in an anterior neck scar. We report herein our initial experience with TOETVA and its short-term outcomes in patients with papillary thyroid carcinoma (PTC). Methods: This case series consisted of all consecutive patients who underwent TOETVA in our institution between August 2016 and June 2017. Indications for TOETVA were an fine needle aspiration-confirmed PTC or follicular neoplasm, an intrathyroidal tumor with a diameter of less than 2 cm, and no clinical evidence of central or lateral lymph node metastasis. A total of 20 patients underwent TOETVA and we retrospectively reviewed clinicopathologic data and short-term postoperative outcomes. Results: Among the 20 TOETVA cases, 7 were total thyroidectomy, 12 were lobectomy and 1 was wide isthmusectomy. Mean age was 50.8 years and mean operation time was 152 ± 51.4 minutes. Tumor size ranged from 0.2–1.4 cm and the mean size of harvested central lymph nodes was 2.8 (range, 0–10). Neither mental nerve injury nor surgical site infection occurred. One patient had transient vocal cord palsy and 1 patient developed a neck seroma. Among 7 total thyroidectomy patients, 3 patients developed transient hypocalcemia. Conclusion: Transoral thyroid surgery could be an alternative surgical option for some PTC patients.