BackgroundIntussusception is common in children but rare in adults. The goal of this study was to review retrospectively the symptoms, diagnosis, and treatment of intussusception in adults.MethodsFrom 1997 to 2013, we experienced 44 patients of intussusception in patients older than 18 years. The patients were divided into enteric, ileocolic, ileocecal, and colocolonic (rectal) types. The diagnosis and treatment of these patients were reviewed.ResultsOf the 44 patients of adult intussusception, 42 were diagnosed with abdominal ultrasonography and abdominal computed tomography. There were 12 patients of enteric intussusception, six patients of ileocolic intussusception, 16 patients of ileocecal type intussusception, and 10 patients of colonic (rectal) intussusception. Among them, 77.3 % were associated with a tumor. Among 12 patients of enteric intussusception, three were associated with a metastatic intestinal tumor, and one was associated with a benign tumor. Among six patients of ileocolic intussusception, two patients were associated with malignant disease. Also, 93.8 % of ileocecal intussusceptions were associated with tumors, 80.0 % of which were malignant. Similarly, 90.0 % of colonic intussusceptions were associated with malignant tumors. Intussusception was reduced before or during surgery in 28 patients. Surgery was performed in 41 patients, and laparoscopy-assisted surgery was performed for ab underlying disease in 12 patients.ConclusionsPreoperative diagnoses were possible in almost all patients. Reduction greatly benefited any surgery required and the extent of the resection regardless of the underlying disease and surgical site.
Laparoscopic surgery has generally been performed for digestive diseases. Many patients with colon cancer undergo laparoscopic procedures. The outcomes of laparoscopic colectomy and open colectomy are the same in terms of the long-time survival. It is important to dissect the embryological plane to harvest the lymph nodes and to avoid bleeding during colon cancer surgery. To date, descriptions of the anatomy of the fascial composition have mainly involved observations unrelated to fundamental embryological concepts, causing confusion regarding the explanations of the surgical procedures, with various vocabularies used without definitions. We therefore examined the fascia of the abdominal space using a fascia concept based on clinical anatomy and embryology. Mobilization of the bilateral sides of the colon involves dissection between the fusion fascia of Toldt and the deep subperitoneal fascia. It is important to understand that the right fusion fascia of Toldt is divided into the posterior pancreatic fascia of Treitz dorsally and the anterior pancreatic fascia ventrally at the second portion of the duodenum. A comprehensive understanding of fascia composition between the stomach and transverse colon is necessary for dissecting the splenic flexure of the colon. As a result of these considerations of the fascia, more accurate surgical procedures can be performed for the excision of colon cancer.
Introduction: Databases of information on surgical treatment for colorectal cancer have been created in various countries and data have started to be released. The most important facets of research for statistical processing include the methodology and firm definitions of content. However, for trials involving colorectal cancer, the applicable terminology has not been defined, and much bias is frequently encountered. Starting from definitions of the colon and vascular system of the colon, we propose definitions of surgical procedures for colorectal cancer. Methodology: This paper reviews the colon segments and vascular anatomy of the colon. If surgical treatment of colon cancer is considered from this perspective, we can see that definitions for these surgical procedures are lacking. The definition of surgical treatment would also allow clarification of the range of lymph node dissection. In general, surgical procedures and the area of surgical lymph node dissection are both defined according to the basic structure of the associated arteries. However, the existing descriptions are not based on a definition of the arteries. We therefore tried to establish the most useful nomenclature for the arterial system of the large intestine for colorectal surgeons and reviewed the frequency of important arterial variations. Using the resulting definitions, we provided consistent definitions for colon cancer surgery. Conclusion: The segments of the colon need to be defined. In surgery, procedures are performed using the arteries as indicators, so vessels originating from the superior and inferior mesenteric arteries are referred to as arteries, with others are referred to as branches. Surgical treatment of colon cancer can be defined from the relationship between these arteries. For the first time, this may allow proper application of statistics for the treatment of colon cancer.
First, some degree of dissociation must exist between the histological examination and clinical anatomy. Second, surgeons should not consider fascia encountered intraoperatively as an artifact. To address these difficult issues, consideration should be made purely from the perspective of clinical anatomy. Originally, the trunk was embryologically regarded as a multi-layered structure (like an onion). Understanding the fascial composition of the abdomen is comparatively easy when approached from this perspective. If this theory is adapted to the pelvic space in order to avoid antilogy, an understanding of the fascial composition of the pelvic space should also be possible. We review previous papers based on this theory.
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