No abstract available.
Colon, Sigmoid* ; Intestinal Volvulus*

BACKGROUND: This study is to demonstrate that the estimates of effective concentration (EC) inferred by logit, probit, and sigmoid Emax can be declared to be similar. METHODS: The estimates of EC (5, 25, 50, 75, 95 [%]) of 24 vecuronium concentration-single twitch response data were obtained with three pharmacodynamic methods. A paired t-test with Bonferroni's correction was used. RESULTS: The distribution of estimates by probit were narrower than that of those by logit and sigmoid Emax. The estimates of logit and sigmoid Emax were closely similar. CONCLUSIONS: It suggests that the EC estimates of other paper analysed by the different pharmacodynamic method could be lower or higher.
Colon, Sigmoid* ; Vecuronium Bromide

PURPOSE: This study compared the perioperative clinical outcomes of reduced-port laparoscopic surgery (RPLS) with those of conventional multiport laparoscopic surgery (MPLS) for patients with sigmoid colon cancer and investigated the safety and feasibility of RPLS performed by 1 surgeon and 1 camera operator. METHODS: From the beginning of 2010 until the end of 2014, 605 patients underwent a colectomy for sigmoid colon cancer. We compared the characteristics, postoperative outcomes, and pathologic results for the patients who underwent RPLS and for the patients who underwent MPLS. We also compared the clinical outcomes of single-incision laparoscopic surgery (SILS) and 3-port laparoscopic surgery. RESULTS: Of the 115 patients in the RPLS group, 59 underwent SILS and 56 underwent 3-port laparoscopic surgery. The MPLS group included 490 patients. The RPLS group had shorter operating time (137.4 ± 43.2 minutes vs. 155.5 ± 47.9 minutes, P < 0.001) and shorter incision length (5.3 ± 2.2 cm vs. 7.8 ± 1.2 cm, P < 0.001) than the MPLS group. In analyses of SILS and 3-port laparoscopic surgery, the SILS group showed younger age, longer operating time, and shorter incision length than the 3-port surgery group and exhibited a more advanced T stage, more lymphatic invasion, and larger tumor size. CONCLUSION: RPLS performed by 1 surgeon and 1 camera operator appears to be a feasible and safe surgical option for the treatment of patients with sigmoid colon cancer, showing comparable clinical outcomes with shorter operation time and shorter incision length than MPLS. SILS can be applied to patients with favorable tumor characteristics.
Colectomy ; Colon, Sigmoid* ; Humans ; Laparoscopy* ; Sigmoid Neoplasms*

No abstract available.
Angiodysplasia* ; Child* ; Colon, Sigmoid* ; Humans

The variations of the occipital sinus were studied in 50 Korean adult cadavers. The morphology of the sinus was classified into 5 types accordingo to its number and the connection with the marginal sinus. These results were compared with the data of the occipital sinus of bones (Sir and Chung, 1907). And the opening of the occipital sinus in the confluens sinuum was observed. 1. A single small occipital sinus was found in 40%. Single occiital sinus with two large marginal sinuses was observed in 8%. The single sinus with a left marginal sinus (6%) and with a right marginal sinus(4%) were present. Double occipital sinuses were observed in 10% of the cadavers. No occipital sinus was discernible in 32%. 2. There were 39 openings of the occipital sinus including the double sinuses. The occipital sinuses communicated with the confluence sinuum in 35 cases (89.7%), with the straight sinus in 5.1% and with the right or left transverse sinus in 1 case, respectively. The openings in the confluens sinuum were found on the left side(51.3%), on the right side (10.3%) and in the center(28.2%). 3. The diameters of the occipital sinus were variable according to the connection with the sigmoid sinus. 4. The difference was found between the data of the morphological types of the occipital sinus that were studied in cadavers and in dry bones.
Adult* ; Cadaver ; Colon, Sigmoid ; Humans

The variations of the sigmoid sinus were studied in 50 Korean adults (average age 67). The classification of the shape and a measurement of the diameters of the sinus were done and the morpological. 1. The shape was classified into 4 types, and the round type was the most common in both sides. S shaped type was below 10% in both sides. 2. The breadth was regular in 54% of the right and in 70% of the left sinuses. According to the breadth change, the shape was classified into 4 shapes. 3. The average diameter was 8.6mm on the right side and 7.2mm on the left side. 4. Symmetry was present in 16% of all. 5. The right transverse sinus was absent in 1 case (2%) and the superior petrosal sinus did not open into the sigmoid sinus in 2 cases (4%). 6. Petrosqamous sinus was observed in 16%.
Adult* ; Classification ; Colon, Sigmoid* ; Humans

In past decades, hepatic portal venous gas (HPVG) has rarely been reported, and the mortality rate has been very high. In most cases, surgical intervention was needed. Presently, abdominal computed tomography can be conveniently used to diagnose HPVG, which has various underlying causes and benign courses. We present the case of a patient with HPVG due to anastomosis leakage after a sigmoidectomy for diverticulitis; the patient was cured with conservative management.
Colon, Sigmoid ; Diverticulitis ; Humans ; Mortality

Colonic sarcomatoid carcinomas are known to be extremely rare tumors, with only 22 cases reported either as sarcomatoid carcinomas or carcinosarcomas in the literature. The known characteristics are rapid growth, a high recurrence rate, and an extremely poor prognosis. Herein we report a case of a patient who had a sarcomatoid carcinoma of the sigmoid colon and died only 22 days after surgery due to rapid tumor growth.
Carcinosarcoma ; Colon ; Colon, Sigmoid ; Humans ; Prognosis ; Recurrence

External-beam radiation therapy with intracavitary high-dose-rate brachytherapy is the standard treatment modality for advanced cervical cancer; however, late gastrointestinal complications are a major concern after radiotherapy. While radiation proctitis is a well-known side effect and radiation oncologists make an effort to reduce it, the sigmoid colon is often neglected as an organ at risk. Herein, we report two cases of radiation sigmoiditis mimicking sigmoid colon cancer after external-beam radiation therapy with intracavitary high-dose-rate brachytherapy for uterine cervical cancer with dosimetric consideration.
Brachytherapy ; Colon, Sigmoid ; Proctitis ; Sigmoid Neoplasms ; Uterine Cervical Neoplasms

PURPOSE: The purpose of this study is to evaluate the clinical features that necessitate a temporary stoma for the treatment of colonoscopic perforations. RESULTS: Between January 2000 and July 2006, 30 patients were treated for colonoscopic perforation. Based on the perforation sites, we classified these patients into the following groups: proximal colon, sigmoid colon, and rectum; we then reviewed clinical data, including the time to operation and management. RESULTS: Seventeen patients had a perforation during the diagnostic colonoscopy. Of these patients, 14 patients had sigmoid colon perforation. Six underwent an operation within 10 hours after perforation. Of these six, four were managed by primary repair or resection with anastomosis, one sigmoid colon cancer patient by anterior resection, and one rectal cancer patient by low anterior resection with diverting ileostomy. Eight patients underwent more than 12 hours after perforation. Of these eight, three were managed by resection with anastomosis and diverting ileostomy and five by resection with end colostomy. Thirteen patients had a perforation during the therapeutic colonoscopy. Of these patients, 10 patients had a proximal colon perforation. Of these 10, 3 without fever or peritonitis symptom were managed by conservative management, 6 by primary repair or resection with anastomosis, and 1 transverse colon cancer patient by right hemicolectomy. Three patients had sigmoid colon perforation. Of these three, one was managed by primary repair, one by resection with anastomosis, and one sigmoid colon cancer patient by anterior resection. CONCLUSIONS: The mechanism of perforation, the site of the perforation, and the time to operation are associated with intraperitoneal contamination and have an influence on surgical treatment.
Colon ; Colon, Sigmoid ; Colon, Transverse ; Colonoscopy ; Colostomy ; Fever ; Humans ; Ileostomy ; Peritonitis ; Rectal Neoplasms ; Rectum ; Sigmoid Neoplasms