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황기태(Ki-Tae Hwang),정중기(Jung Kee Chung),정인목(In Mok Jung),허승철(Seung Chul Heo),안영준(Young Joon Ahn),안혜성(Hye Seong Ahn),장미수(Mee Soo Chang),김병재(Byung-Jae Kim) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.79 No.6
Dermatofibrosarcoma protuberans is a rare tumor that occurs in the dermis or subcutaneous tissue of the trunk or extremities in relatively young adults. There are few reports of Dermatofibrosarcoma protuberans associated with pregnancy. We experienced a 28-year-old pregnant female patient with an abdominal wall mass, which grew rapidly during pregnancy. Excisional biopsy was performed and the pathologic diagnosis was fibrosarcoma transformed from Dermatofibrosarcoma protuberans. Dermatofibrosarcoma protuberans showed a positive CD34 immunostaining while fibrosarcoma showed a negative CD34. There was no recurrence or metastasis with the follow up period of 2 years. We report here a rare case of Dermatofibrosarcoma protuberans aggravated during pregnancy with a review of the literature.
부신 종양으로 오인된 일차성 후복막 악성 위장관 기질성 종양
황기태(Ki-Tae Hwang),정중기(Jung Kee Chung),정인목(In Mok Jung),허승철(Seung Chul Heo),안영준(Young Joon Ahn),안혜성(Hye Seong Ahn),장미수(Mee Soo Chang) 대한외과학회 2009 Annals of Surgical Treatment and Research(ASRT) Vol.77 No.5
Gastrointestinal stromal tumor (GIST) is the most common non-epithelial tumor in the gastrointestinal tract. Although GIST occurs mainly in the gastrointestinal tract, it also occurs, rarely, in non-gastrointestinal tract and in this case, it is often named as extra-gastrointestinal stromal tumor (EGIST). We experienced a 68-year-old male patient who had been diagnosed preoperatively with accidentaloma of the left adrenal gland by computed tomography, and finally diagnosed as primary retroperitoneal malignant GIST, postoperatively. The operation was performed via anterior abdominal approach, and complete surgical resection was done for a 7 ㎝ sized retroperitoneal tumor near the left adrenal gland. Primary retroperitoneal malignant GIST was the final pathologic diagnosis and the size of the tumor was 6.5 ㎝ and the mitotic count was 7 per high-power field. Diffuse strong positive staining for c-kit protein, CD34 and negative staining for desmin were observed in a immunohistochemistry test. We report here the unusual case of primary retroperitoneal malignant GIST mimicking adrenal mass.
황기태(Ki-Tae Hwang),정중기(Jung Kee Chung),정인목(In Mok Jung),허승철(Seung Chul Heo),안영준(Young Joon Ahn),장미수(Mee Soo Chang) 대한외과학회 2009 Annals of Surgical Treatment and Research(ASRT) Vol.77 No.3
Obturator hernia is a rare type of pelvic hernia and occurs most commonly in elderly and debilitated women. It is still a challenge for surgeons to diagnose precisely in early stages because of its nonspecific symptoms and consequently delayed diagnosis could lead to high morbidity and mortality. We experienced a 92-year old patient who was diagnosed as obturator hernia which was confirmed by computed tomography scan of the abdomen and pelvis. The operation was delayed due to the refusal of family members but eventually done after 12 days from initial diagnosis. After manual reduction of small bowel impacted into right obturator foramen, segmental resection of impacted small bowel and anastomosis was done. The hernial defect was closed by primary closure with Dexon suture material. After the operation, the patient was discharged without significant complications. We report here successful results of delayed operation for obturator hernia.
췌관-공장 문합술에서 흡인형 췌관 스텐트의 초기 결과 보고
안영준(Young Joon Ahn),황기태(Ki-Tae Hwang),허승철(Seung-Chul Heo),정인목(In Mok Jung),정중기(Jung Kee Chung),장진영(Jin-Young Jang),김선회(Sun-Whe Kim) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.72 No.6
Purpose: We wanted to evaluate the feasibility of using the suction pancreatic duct stent, which was designed to aspirate pancreatic fluid more actively around the pancreaticojejnostomy site during performance of pancreaticoduodenectomy for preventing pancreatic fistula. Methods: In 7 consecutive pancreaticoduodenectomy patients, we inserted a PVC tube into the remnant pancreatic duct across the duct-to-mucosa type pancreaticojejunostomy at a 2 ㎝ depth as a totally external pancreatic stent. This stent was connected with the aspiration bag of a Jackson-Pratt drain for generating negative pressure. We inserted another Jackson-Pratt drain beneath the pancreaticojejunosomy site and checked the amylase level in the body fluid and the serum at the postoperative 1st and 5th days for evaluating pancreatic leakage. We also checked the daily amount of pancreatic fluid obtained through the suction stent. Pancreatic fistula was defined as an amylase level in the body fluid >10,000 U/L on postoperative 1 day or an amylase level in the body fluid >3 times the serum amylase level on the postoperative 5th day. Results: On postoperative day 1, the mean level of intraabdominal fluid amylase was 1,404 U/L (355∼3,850 U/L). On the postoperative 5th day, the mean level of amylase in the body fluid was 40.3 U/L (12∼144 U/L) and the mean level of serum amylase was 38.3 U/L (19∼71 U/L). Even on the postoperative 1st day, we could collect a considerable amount of pancreatic fluid (mean: 55.6 ㎖ (range: 9∼169 ㎖)). There was no complication associated with pancreatic leakage. Conclusion: The suction pancreatic stent can be a feasible method to prevent pancreatic leakage. Additional randomized studies to compare the conventional pancreatic duct stent with the suction pancreatic duct stent are mandatory.
장제호(Je Ho Jang),황기태(Ki-Tae Hwang),정중기(Jung Kee Chung),정인목(In Mok Jung),허승철(Seung Chul Heo),안영준(Young Joon Ahn),안혜성(Hye Seong Ahn) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.78 No.1
Although acute appendicitis is one of the most common surgical diseases, very rare but serious complications can occur including retroperitoneal abscess complicated by acute appendicitis. The early diagnosis of retroperitoneal abscess is often difficult and delayed because its clinical course is often insidious and does not present with typical symptoms of acute appendicitis. We experienced a 65-year-old male patient who was diagnosed with acute appendicitis with retroperitoneal abscess. As the retroperitoneal abscess was not fully removed via emergency operation, postoperative percutaneous drainage was performed but not effective. Retroperitoneal abscess can be cured by 2nd operation with retroperitoneal approach. We report here an unusual case of retroperitoneal abscess complicated by acute appendicitis.
허승철(Seung Chul Heo),강성범(Sung-Bum Kang),정중기(Jung Kee Chung),황기태(Ki-Tae Hwang),유승범(Seungbum Ryoo),이택구(Taek-Gu Lee),박규주(Kyu-Joo Park) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.78 No.1
Purpose: We performed this study to share experiences in the management of obturator hernia, which is a very rare disease among elderly women, because rarity of this disease will not approve an expert institute or surgeon and because the aging society, Korea, can increase the incidence. Methods: Patient characteristics, clinical manifestations and treatment results were retrospectively collected from the 12 obturator hernia patients since 2000 in the three hospitals of the authors. Twenty-one obturator hernia cases reported in the Korean literatures were reviewed. In addition, we analyzed clinical features and treatment results of the total 33 patients, collectively. Results: Most of the patients were elderly women except one young, poorly nourished, male patient with pulmonary tuberculosis. Their mean age was 79.6 years. Sixty-four percent (21/33) of the patients had preoperative morbidity. Symptoms from the compression of the obturator nerve, which is an important clue to the diagnosis, were observed in 67% (22/33). Interestingly, spontaneous or suspicious-spontaneous reductions were reported in 7 (21%) patients. Abdominal CT scan was the major tool for diagnosis. Abdominal approach alone could successfully manage most cases, though 84% (27/32) needed anastomosis of the bowel. Operative mortality was 2 of the 32 cases but morbidity was 44% of the 32 patients and the mean hospital period after operation was 21 days. Conclusion: Management of patients with obturator hernia connotes high morbidity and mortality. Sharing the experience of management, prompt diagnosis and surgical management and proper peri-operative care as well as appropriate managing the families is essential for improved results.
장재율(Jae Yool Jang),안영준(Young Joon Ahn),정중기(Jung Kee Chung),정인목(In Mok Jung),허승철(Seung Chul Heo),황기태(Ki-Tae Hwang),안혜성(Hye Seong Ahn),신은(Eun Shin),서자희(Ja Hee Seo) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.78 No.5
Adenosquamous carcinoma arising in congenital choledochal cyst is very rare and herein we report a case thereof. A 37-year-old woman was referred for further evaluation of pancreas head mass and a hepatic nodule on CT. She had been diagnosed with congenital choledochal cyst at 22-years-old and received Roux-en-Y choledochojejunostomy at that time. Endoscopic ultrasonography-guided biopsy proved the pancreas head mass as a squamous cell carcinoma and liver biopsy also proved the liver mass as a metastatic squamous cell carcinoma. We performed pancreaticoduodenectomy and tumorectomy of metastatic liver nodule. Grossly, the primary lesion was located at intrapancreatic portion of choledochal cyst. Histologically, the primary lesion and hepatic nodule was metastatic adenosquamous carcinoma. So far, there have been only three cases of adenosquamous carcinoma arising in congenital choledochal cyst reported in English-language literature. This is another case and the first case reported in Korea.
췌관 내 유두상 점액 종양을 동반한 동시성 원발성 삼중복암
안영준(Young Joon Ahn),김영아(Young Ah Kim),황기태(Ki-Tae Hwang),허승철(Seung Chul Heo),정인목(In Mok Jung),정중기(Jung Kee Chung) 대한외과학회 2008 Annals of Surgical Treatment and Research(ASRT) Vol.75 No.1
Multiple primary tumors are defined as those cases that display primary malignant tumors of different histologic origins in one person. As the diagnostic methods have developed and the average life span has been extended, the diagnosis of multiple primary tumor has also increased. We report here on a 75-year old male patient who had synchronous triple primary cancer (Early gastric cancer, Ampulla of Vater cancer, Renal cell carcinoma) with concomitant IPMN (Intraductal papillary mucinous neoplasm), and the patient underwent conventional pancreaticoduodenectomy.