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유창영(Changyoung Yoo),정찬권(Chan-Kwon Jung),송교영(Kyo Young Song),정은선(Eun Sun Jung),이교영(Kyo-Young Lee) 대한외과학회 2008 Annals of Surgical Treatment and Research(ASRT) Vol.74 No.4
Mesenteric fibromatoses occur as sporadic lesions or as parts of familial adenomatous polyposis, are clonal lesions prone to locally aggressive behavior, but lack metastatic capacity. Fibromatoses harbor somatic β-catenin or adenomatous polyposis coli (APC) mutations, leading to intranuclear accumulation of b-catenin. We report a case of mesenteric fibromatosis presenting as a 5.4x4.8 cm submucosal tumor of the jejunum in a 42-year-old woman. Histologically, the tumor consisted of proliferation of bland, elongated-spindle fibroblasts with collagen deposition and a characteristic prominent vasculature. Immunohistochemically, the tumor cells showed nuclear staining for β-catenin. Mesenteric fibromatosis should be included in the differential diagnosis of submucosal spindle cell tumors of the gastrointestinal tract, and nuclear immunoreactivity for β-catenin may help distinguish these tumors form histological mimics.
유창영(Changyoung Yoo),정찬권(Chan-Kwon Jung),송교영(Kyo Young Song),김상우(Sang Woo Kim),이교영(Kyo-Young Lee) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.73 No.1
Gangliocytic paragangliomas are rare benign neuroendocrine tumors that arise mainly in the duodenum. A total of 3 cases of duodenal gangliocytic paraganglioma have been reported in Korea. The authors encountered another case of a gangliocytic paraganglioma in the duodenum. A 48-year old man presented with a mass in the duodenum that had been found incidentally in a medical checkup. The endoscopic examination revealed a 3.5×2.2 cm sized polypoid mass in the second portion of the duodenum. The patient underwent a polypectomy in the form of a wedge resection under general anesthesia. Microscopically, the tumor was composed of epithelial cells forming paraganglioma like patterns, spindle cells and ganglion cells. Gangliocytic paragangliomas are believed to be benign tumors but regional lymph node metastasis and recurrence can occur in rare cases. During the 27-month follow-up after treatment, there was no evidence of recurrence or lymph node metastasis. We report this case to help improve the understanding of this rare disease.
하소영 ( Soyoung Ha ),안호정 ( Ho Jung An ),조강원 ( Kangwon Cho ),유창영 ( Changyoung Yoo ),조정해 ( Jung Hae Cho ),김성환 ( Sung Hwan Kim ),김훈교 ( Hoon Kyo Kim ) 대한내과학회 2015 대한내과학회지 Vol.88 No.6
Primary small cell carcinoma of the paranasal sinuses is extremely rare. It is aggressively locally invasive, with high recurrence and metastatic rates. A combination of systemic chemotherapy and locoregional treatment, such as radiotherapy, is currently recommended based on the treatment of small cell carcinoma of lung. We report a case of small cell carcinoma originating from the maxillary sinus with distant metastasis at the time of diagnosis. The patient had a good initial therapeutic response to etoposide-cisplatin chemotherapy, but the cancer progressed after the sixth cycle of chemotherapy and the prognosis was poor. (Korean J Med 2015;88:719-723)
이소성 췌장 조직을 동반한 반전된 메켈게실에 의한 성인의 장중첩증
전예원(Ye-Won Jun),계봉현(Bong Hyun Kye),김형진(Hyung Jin Kim),조현민(Hyeon-Min Cho),유창영(Changyoung Yoo),황성수(Seong Su Hwang) 대한외과학회 2010 Annals of Surgical Treatment and Research(ASRT) Vol.79 No.6
Adult intussusception is rare involving of only 1% of the causes of bowel obstruction. We report a case of a 39-year-old female with intussusceptions due to inverted Meckel’s diverticulum. She visited our hospital for diffuse abdominal pain during 1 week and aggravated abdominal pain for 2 days. Vital signs were stable, and there was periumbilical tenderness. She had no history of abdominal operation. CT scan showed a 3.7×2.1 ㎝ of fatty mass with focal intussusception in the distal ileum. When the emergency operation was performed, the patient was found to be suffering from ileocolic intussusception. A manual reduction of intussusception showed inverted Meckel’s deverticulum at 65 ㎝ proximal to the ileocecal valve, and the segmental resection of small bowel including a Meckel’s diverticulum was performed. Pathologic examination revealed a Meckel’s diverticulum containing a 0.6×0.6 ㎝ sized aberrant pancreas.