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Results for “Colon, Sigmoid”

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At least 289 records · Page 16Linked to original sources

PubMed2005

Intestinal vaginoplasty: is it optimal treatment of vaginal agenesis? A pilot study. Surgical method of sigmoid colon vaginoplasty in vaginal agenesis.

The outcome of 11 cases with vaginal agenesis who underwent intestinal vaginoplasties are presented. Patients were between 18 and 37 years old. Ileum vaginoplasty and sigmoid colon vaginoplasty were carried out in two and nine cases, respectively. Ileum necrosis at donor site requiring ileum resection and bilateral ileostomy encountered in one of the cases was the major complication. Mild stenosis responsive to finger dilatation had been detected in two women with sigmoid vaginoplasty. Excess mucous production, long operation time, and shortness of mesentery of ileum led us to abandon ileum vaginoplasty, and sigmoid colon vaginoplasty was performed in the following cases with vaginal agenesis. All of the neovaginas were patent and functional. We suggest sigmoid colon vaginoplasty as the treatment of choice because of its large lumen, thick walls resistant to trauma, adequate secretion allowing lubrication, not necessitating prolonged dilatation, short recovery time compared with ileum vaginoplasties; and in patients reluctance to prolonged use of dilatators or in those who experienced previous failure of the other treatment modalities.

Adolescent↗

PubMed1980

Volvulus of the sigmoid colon in the Gezira.

Out of 34 consecutive patients presenting with volvulus of the sigmoid colon the Gezira area of The Sudan, 30 were western Sudanese farmers (age range 25-52 years) who habitually ate a single daily meal of high residue food: their colons were long and hypertrophied. In contrast, the 4 northern Sudanese (age range 60-92 years) ate a Western European type of diet and had a thin colon. This factor may have been responsible for the finding that the 5 patients presenting with gangrene of the sigmoid colon included all 4 northern Sudanese patients. Shock was a reliable indicator of gangrene but rebound tenderness was valueless. Deflation of the sigmoid volvulus via the sigmoidoscope succeeded in curing 19 of 25 patients in whom there was no suspicion of gangrene (4 later recurrences). Laparotomy was performed in the other 15 patients with operative untwisting in the absence of gangrene in 10 (2 later recurrences), and resections in the presence of gangrene (3 died).

Adult↗

PubMedDate not supplied

Direct invasion of urinary bladder from sigmoid colon cancer: CT findings.

Radiological findings in three cases of sigmoid colon carcinoma invading the urinary bladder are reported. An irregular spiculated margin or nodular indentations in region of bladder dome were seen on intravenous urography. A soft tissue mass contiguous with an irregularly thickened urinary bladder wall and a circumferentially thickened sigmoid colon wall were demonstrated on CT and sonography and led to the correct diagnosis.

Adenocarcinoma↗

PubMed1984

[Studies on the results of operations for carcinoma of the sigmoid colon].

Of 734 patients with colorectal cancer operated on during the past 21 years, 142 had carcinoma of the sigmoid colon. Curative resections were performed in 103 patients and non-curative resections in 22, the resection rate being 88.0%. Among 103 patients with curative resection, resection of the sigmoid colon was performed in 79, and their 5-year survival rate was 84.6%. Eight patients died within 5 years due to recurrence. Many of them had the constricting type macroscopically and Dukes C with positive lymph node metastasis. Therefore, in such cases, resection of the sigmoid colon with extended lymph node dissection or left hemicolectomy should be performed.

Adenocarcinoma↗

PubMed2004

Dipolar source modelling of brain potentials evoked by painful electrical stimulation of the human sigmoid colon.

The aim of the study was to compare the cerebral generators following painful stimulation of the sigmoid colon and the abdominal skin in 11 healthy subjects. The evoked potentials (EPs) were recorded from 31 surface electrodes following painful electrical stimuli of the sigmoid colon, and of the referred pain area on the abdomen. Current dipole models estimating the EPs amplitude and topography were calculated. For colon stimulation, the earliest cortical activities were described by dipoles in the bilateral insula and in the anterior cingulate cortex, while both secondary somatosensory areas were activated later. When the skin was stimulated, early bilateral dipoles in the primary and secondary somatosensory areas were estimated, followed by a dipole in the frontal region. This suggests that painful cutaneous and visceral stimuli are processed differently in the brain.

Abdomen↗

PubMed1989

Perforation of the retroperitoneal sigmoid colon secondary to fracture-dislocation of the left sacroiliac joint: case report.

Most traumatic injuries of the sigmoid colon are penetrating, such as those due to stab and bullet wounds, but an occasional patient may have a perforated colon as a result of a pelvic fracture. Such lesions may be occult, resulting in delayed diagnosis, with substantial morbidity. Injury to the sigmoid colon in association with sacroiliac fracture has apparently not been described in the English-language literature. This paper reports such a case and describes the mechanism of injury and its recognition.

Abdominal Injuries↗

PubMed2005

A case of perforation and fistula formation resulting from metallic stent for sigmoid colon stricture in Crohn's disease.

A 52-year-old male was diagnosed with Crohn's disease at the age of 25 years. Thereafter, he underwent three operations for intestinal strictures or fistula. A self-expanding metallic stent was inserted into the sigmoid colon stricture endoscopically in November 1999. Thirty two months later, he presented left lower abdominal pain. Endoscopic and radiographic examinations demonstrated perforation of the stent and ileosigmoid fistula. Laparotomy revealed an inflammatory mass around the sigmoid colon, and the wire frame of the metallic stent had penetrated the colonic wall and had fistulized to the ileum. The affected sigmoid colon was resected and low anterior resection and ileostomy were performed. Metallic stent for intestinal stricture of Crohn's disease with active ulceration may postpone surgery temporarily but can be a potentially dangerous procedure.

Colon, Sigmoid↗

PubMed1998

Glucose intolerance and adenomas of the sigmoid colon in Japanese men (Japan).

OBJECTIVES: The purpose was to investigate the relation between glucose tolerance and risk of sigmoid colon adenomas, a well-established precancerous lesion, in Japanese men. METHODS: In the consecutive series of 7,637 men aged 48 to 59 years who received a preretirement health examination at four hospitals of the Self Defense Forces (SDF) in Japan from 1986 to 1994, we identified 821 cases of sigmoid colon adenomas and 4,372 controls with normal sigmoidoscopy or colonoscopy at 60 cm or more from the anus. Glucose tolerance status was classified as normal, impaired glucose tolerance (IGT), newly diagnosed non-insulin dependent diabetes mellitus (NIDDM), or diabetes mellitus under treatment, based on a 75g oral glucose tolerance test and medical history. Statistical adjustment was made for body mass index (wt/ht2), cigarette smoking, alcohol use, rank of the SDF, and hospital. RESULTS: Modest increases in adenoma risk were observed for newly diagnosed NIDDM and diabetes mellitus under treatment while there was no association between IGT and adenoma risk. When small (< 5 mm in diameter) and large (5+ mm) adenomas were analyzed separately, increased risk associated with newly diagnosed NIDDM was more pronounced for small adenomas, and diabetes mellitus under treatment showed a slightly stronger association with large adenomas. CONCLUSIONS: The findings suggest that NIDDM is associated with modestly increased risk of sigmoid colon adenomas, and add to evidence that hyperinsulinemia increases colon cancer risk.

Adenoma↗

PubMed2002

Endometriosis causing extensive intestinal obstruction simulating carcinoma of the sigmoid colon: a case report and review of the literature.

Endometriosis with intestinal serosal involvement is not uncommon in women of childbearing age, however, presentation as colon obstruction is rare. Lack of pathognomonic symptoms makes diagnosis difficult, the main problem being differential diagnosis with neoplasm, even intraoperatively. Reported here is a case of extensive bowel obstruction due to sigmoid colon endometriosis in a 43-year-old woman who presented with signs and symptoms of bowel obstruction. Barium enema showed sigmoid obstruction; subsequent exploratory laparotomy showed the sigmoid colon surrounded by fibrous tissue, leading to its angulation and extensive lumen obstruction. Left oophorectomy and radical resection of descending and sigmoid colon as for bowel carcinoma were successfully employed. Pathological examination revealed endometriosis in the bowel wall with preservation of the mucosa. Aetiology, clinical presentation, differential diagnosis and therapeutic options for intestinal obstruction due to endometriosis are discussed.

Abdominal Pain↗

PubMed1991

Neobladder construction using completely detubularized sigmoid colon after radical cystoprostatectomy.

To improve the quality of life of the patient we used completely detubularized sigmoid colon for bladder reconstruction along with radical cystoprostatectomy in 6 men with invasive bladder cancer. Followup was 8 to 20 months. Postoperatively, all of the patients were continent during the day but only 4 (66.7%) were continent at night, although they had to awaken twice to remain dry. Neocystourethroscopy in 4 of the 6 patients revealed no tumor and no stricture at the urethrocolonic anastomosis. However, a stone in the neobladder was found in 1 patients. Urodynamic study of the neobladder showed a low pressure (mean 16.7 cm. water) at the filling phase of water cystometry and an adequate maximal urethral closure pressure (mean 52.0 cm. water) and functional profile length (mean 3.8 cm.). The uroflow rate in all patients was good (1 patient even had a maximal uroflow rate of 31 ml. per second). There was no reflux in any patient. One patient had intestinal obstruction 5 months postoperatively and died 5 months later of widespread metastasis. The remaining 5 patients are alive with a satisfactory quality of life. In conclusion, use of completely detubularized sigmoid colon may be an ideal operation for neobladder construction after radical cystoprostatectomy.

Adult↗

PubMed1951