This is a case report on a stercoral perforation of the descending colon that was not adequately treated in the first operation. Re-operation was required in order to revise the primary repair site and to remove the impacted fecaloma.ope

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Journal of the Korean Surgical Society

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Copyright © 2012, the Korean Surgical SocietyJ Korean Surg Soc 2012;82:125-127http://dx.doi.org/10.4174/jkss.2012.82.2.125CASE REPORTJKSSJournal of the Korean Surgical Society pISSN 2233-7903ㆍeISSN 2093-0488Received June 23, 2011, Revised July 18, 2011, Accepted August 4, 2011Correspondence to: Min ChungDepartment of Surgery, Gachon University Gil Hospital, Gachon University of Medicine and Science, 1198 Guwol-dong, Namdong-gu, Incheon 405-760, KoreaTel: ＋82-32-460-8379, Fax: ＋82-32-460-3267, E-mail: mc@gilhospital.comcc Journal of the Korean Surgical Society is an Open Access Journal. All articles are distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.A stercoral perforation of the descending colonJeonghyun Kang, Min ChungDepartment of Surgery, Gachon University Gil Hospital, Gachon University of Medicine and Science, Incheon, KoreaThis is a case report on a stercoral perforation of the descending colon that was not adequately treated in the first operation. Re-operation was required in order to revise the primary repair site and to remove the impacted fecaloma.Key Words: Stercoral perforation, Descending colonINTRODUCTIONA colon perforation is uncommon, and is usually caused by diverticulitis, trauma, malignancy, amoebic colitis, or ulcerative colitis [1]. Although rare, a stercoral ulcer could also cause colon perforation [2-7]. Stercoral perforation of the colon was first described by Berry [8] in 1894 . To date, fewer than 150 cases of stercoral perforation of the colon have been reported in English literature [9]. This report concerns a case of stercoral perforation of the descending colon that underwent re-operation for successful manage-ment.CASE REPORTA 69-year-old female was admitted to the department of surgery through the emergency room with a chief com-plaint of abdominal discomfort with a slip-and-fall injury. She had a 5-year history of Parkinson’s disease and was treated at the out-patient clinic of this hospital with regu-lar medications. She had undergone a radical total gas-trectomy due to advanced stomach cancer 5 months prior to admission. She was taking a 5-cycle intravenous chemo-therapy regimen for treatment of advanced stomach cancer. During chemotherapy treatment, she underwent total hip replacement (THR) of the right hip due to a hip fracture 1 month prior to admission. After the THR, she complained of constipation and had taken some kind of laxatives. On physical examination in the emergency room, her body temperature was 36.8oC, heart rate was 112 per mi-nute, blood pressure was 160/100 mmHg, and respiratory rate was 20 per minute. Abdomen was rigid at the left low-er quadrant. Laboratory examination showed that white blood cell count was 7,510 cells/mm3 (segment form, 85.8%), as well as the following abnormal blood chem-istry: albumin, 2.6 g/dL, sodium 130 mEq/L, and potas-sium 3.1 mEq/L. Other laboratory results were within nor-mal range. Abdominopelvic computed tomography (CT) Jeonghyun Kang and Min Chung126 thesurgery.or.krFig. 1. Abdominopelvic computed tomography findings. (A) Extraluminal air bubbles (arrow) and focal thickening of colonic wall was observed. (B) Fecal impaction within transverse colon and descending colon in relation to the distension of the colonic lumen was found.revealed a large amount of fecal impaction of the colon with colonic distension, and free intraperitoneal air with adjacent extraluminal air bubbles at the descending colon (Fig. 1). The initial clinical diagnosis was traumatic perfo-ration of the descending colon. Emergency surgery was performed. Intraoperatively, there was an obvious perfo-ration, approximately 1.0 cm in diameter, in the anti-mesenteric border of the descending colon just distal to the splenic flexure. On palpation of the colon, we found a sig-nificant amount of firm stool throughout the colon. Because the rim of the perforation site was clean, primary repair with diverting terminal ileostomy was performed. Postoperatively, she recovered well until postoperative day (POD) five. On the sixth POD, she complained of new-ly developed left upper quadrant pain. During wound dressing, dirty discharge was found. Therefore, we sus-pected re-perforation of the colon at the primary repair site. Repeated CT findings were the same as the previous CT findings. On examination, her body temperature was 36.7oC, heart rate was 112 per minute, blood pressure was 130/90 mmHg, and the respiratory rate was 20 per minute. Laboratory examination showed that white blood cell count was 8,040 cells/mm3 (segment form 90.8%). We de-cided on re-operation. We found that the primary repair site was perforated again and two fecalomas were found in the intraperitoneal space near the perforation site. Sigmoid colotomy was performed 20 cm distal to the pri-mary perforation site. Through this colotomy, stool was re-moved digitally. After removal of all impacted stool, the colotomy site and primary perforated site were closed. After re-operation, she showed steady recovery with con-servative treatment. DISCUSSIONStercoral perforation means “perforation of the large bowel due to pressure necrosis from a fecal mass” [6]. Stercoral perforation of the colon has been reported to be 3.2% of all colonic perforation [5] and the mortality rate of stercoral perforation was maximal at 35% in the literature [7]. Stercoral ulcers usually occur in debilitated, bed-rid-den, mentally ill, or narcotic-dependent patients [4]. The most influential factor in development of a stercoral ulcer is chronic severe constipation. For our case, she was diag-nosed with Parkinson’s disease 5 years prior. A prevalence of constipation occurs in the range of 70 to 80% and is re-garded as the earliest and most common manifestation of autonomic dysfunction in Parkinson’s disease [10]. Change in the frequency of bowel movements in Parkin-son’s disease may be attributed to reduced salivary secre-tion, lack of physical exercise, reduced tones of both dia-phragm and abdominal musculature, insufficient intake of fluid and anticholinergic medication, though it is some-Stercoral perforationthesurgery.or.kr 127what controversial [10]. In addition, she underwent total hip replacement one month earlier, which inevitably re-sulted in a bed-ridden status with progressive consti-pation. The pathophysiology of stercoral perforation is considered to be formation of fecaloma causing pressure necrosis of the colon wall, leading to ulceration, and, ulti-mately perforation, usually located in the anti-mesenteric border of the descending colon, where the bowel wall has the lowest blood supply and the narrowest diameter [3].The diagnosis has been reported to pose a challenge to surgeons because approximately one fifth of stercoral per-forations of the colon may present with local peritonitis or vague abdominal pain [5]. The most useful tool for diag-nosis of stercoral perforation is abdominopelvic CT [9]. Discontinuity in enhancement of the bowel wall in relation to focal fecal distension of the colonic lumen could repre-sent a stercoral perforation [2]. However, in the present case, correct diagnosis of a stercoral perforation was diffi-cult, because precise preoperative evaluation of integrity of colonic wall enhancement was not possible. Therefore, when evaluating patients with diffuse abdominal pain along with a history of long-standing bed rest and pro-gressive constipation, stercoral perforation should be tak-en into consideration as one of the possibilities. For treatment of a stercoral perforation, resection of the involved colon and proximal colostomy was known as the treatment of choice [3]. In addition, segmental resection of the diseased colon with anastomosis and diverting enter-ostomy or primary repair of perforated site with sigmoid loop colostomy could be successfully performed in some selective patients with limited intra-abdominal sepsis [1,3]. Evacuation of impacted fecaloma and identification of additional stercoral ulcers may result in avoidance of re-perforation and further complications. In our case, in the first operation, the perforation site was small and rela-tively well margined. The patient was severely under-nourished, in that body mass index of the patient was only 13.3 kg/m2, therefore, we wanted to reduce the duration of anesthesia. We evacuated fecaloma near the perforation site, and performed primary repair of the perforation site with protective ileostomy formation. However, the pri-mary repair site was not intact, which resulted in a second exploration and evacuation of impacted fecaloma in a more distal area using colotomy on the sixth postoperative day of the first surgery. This report emphasizes that, for patients with peri-tonitis combined with a history of severe constipation, stercoral perforation should be taken into consideration. In addition, surgical treatment should include thorough evacuation of fecaloma with resection of the colon, includ-ing the perforation site, as well as copious intraperitoneal lavage for prevention of abdominal sepsis. CONFLICTS OF INTERESTNo potential conflict of interest relevant to this article was reported.REFERENCES1. Nam JK, Kim BS, Kim KS, Moon DJ. Clinical analysis of stercoral perforation of the colon. Korean J Gastroenterol 2010;55:46-51.2. Hsiao TF, Chou YH. Stercoral perforation of colon: a rare but important mimicker of acute appendicitis. Am J Emerg Med 2010;28:112.e1-2.3. Huang WS, Wang CS, Hsieh CC, Lin PY, Chin CC, Wang JY. Management of patients with stercoral perforation of the sigmoid colon: report of five cases. World J Gastroen-terol 2006;12:500-3.4. Patel VG, Kalakuntla V, Fortson JK, Weaver WL, Joel MD, Hammami A. Stercoral perforation of the sigmoid colon: report of a rare case and its possible association with non-steroidal anti-inflammatory drugs. Am Surg 2002;68:62-4.5. Maurer CA, Renzulli P, Mazzucchelli L, Egger B, Seiler CA, Büchler MW. Use of accurate diagnostic criteria may in-crease incidence of stercoral perforation of the colon. Dis Colon Rectum 2000;43:991-8.6. Durrans D, Redmond EJ, Marshman L. Stercoral perfo-ration of the colon. Br J Surg 1991;78:1148.7. Serpell JW, Nicholls RJ. Stercoral perforation of the colon. Br J Surg 1990;77:1325-9.8. Berry J. Dilatation and rupture of sigmoid flexure short report. Br Med J 1894;1:301.9. Kumar P, Pearce O, Higginson A. Imaging manifestations of faecal impaction and stercoral perforation. Clin Radiol 2011;66:83-8.10. Jost WH. Gastrointestinal dysfunction in Parkinson's disease. J Neurol Sci 2010;289:69-73.

A stercoral perforation of the descending colon

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A stercoral perforation of the descending colon

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