Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0699790 (colon cancer)
 28,837 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Serum RNase (ribonuclease) of normal persons and of patients with pancreatitis, carcinoma of pancreas, or other neoplasms was determined with poly(C) as substrate. Strikingly abnormal elevations occur in the serum RNase of patients with pancreatic cancer. There is no elevation in the serum RNase level of patients with pancreatitis. Average serum RNase values of 52 normal persons, 10 patients with pancreatitis, 30 patients with pancreatic cancer, 28 patients with breast cancer, 11 patients with lung cancer, 20 patients with colon cancer, six patients with stomach cancer, and four patients with liver cancer, respectively, were 104, 120, 383, 131, 173, 197, 194, and 152 units/ml of serum. Ninety percent of the patients with pancreatic cancer were above the level of 250 units of serum and 90% of all patients with varied cancers were below this level. In the presence of severe renal insufficiency, marked elevation of serum RNase was also observed. Serum RNase, because of its unique specificity, pancreatic origin, and its abnormal elevation in sera of patients with pancreatic cancer, serves as a reliable biochemical marker of carcinoma of the pancreas in the presence of normal renal function.
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PMID:Elevated serum ribonuclease in patients with pancreatic cancer. 106 80

Controversy surrounds the use of pulmonary artery catheters (PACs). We evaluated the influence of preoperative hemodynamic monitoring and optimization on the outcome in elderly patients undergoing elective resection for colon cancer. We performed a retrospective analysis of all elderly patients (age > 65 years) who had undergone elective colon resection during 1985 to 1995. Sixty patients had preoperative insertion of PAC; 217 patients were managed without PAC. Charts were reviewed for Goldman's cardiac risk index (CRI), preoperative risk factors, and hospital mortality. On the basis of CRI the patients were divided into two groups (< 10 and > or = 10). There was no significant difference between PAC or no-PAC patients for age, previous myocardial infarction, congestive heart failure, hypertension, chronic obstructive pulmonary disease, renal insufficiency, hemoglobin, and albumin. There were 12 deaths (4.3%). CRI, which was a significant predictor of mortality in the no-PAC group (2.2% mortality for CRI < 10 vs 15.8% for CRI > or = 10; P < 0.001), was insignificant in the PAC group (2.5% mortality for CRI < 10 vs 5% for CRI > or = 10, P = not significant). Although preoperative optimization using PAC was not beneficial in the low-CRI group it resulted in a threefold reduction in mortality (5% vs 15.8%) in the high-CRI group. We conclude that preoperative optimization of cardiovascular function using a PAC is only beneficial in reducing mortality in high-risk (CRI > or = 10) elderly patients undergoing elective colon resection.
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PMID:Hemodynamic monitoring in the elderly undergoing elective colon resection for cancer. 1276 13

Alkaline phosphatase (ALP) isoenzyme analysis of 101,832 serum samples was performed by electrophoresis using cellulose acetate membrane, and abnormal bands at the alpha(1) and alpha(2) globulin positions were detected in 23 samples. The physicochemical properties of these abnormal ALP isoenzyme fractions were examined. In brief, the abnormal fractions were heat-sensitive and inhibited by L-phenylalanine, and neither sialic acid in their polysaccharide chains nor the glycosyl-phosphatidylinositol anchor was detected by the enzyme treatment. The physicochemical properties of abnormal ALP isoenzyme fractions detected in Patients 1 - 22 were similar to those of the adult small intestine type. However, the molecular weight of the adult small intestine type abnormal fractions was smaller than that of the normal fractions. These adult small intestine type abnormal bands at the alpha(1)- to alpha(2)-globulin positions, which were identified in the serum of Patients 1 - 22, were detected in elderly patients. Most of them had various basal diseases such as renal insufficiency, fracture, interstitial pneumonia, and chronic pancreatitis. Some of them had severe diseases such as rectal cancer, descending colon cancer, and septic shock. In Patient 23, the polysaccharide chain had sialic acid and was heat sensitive physicochemical properties that were similar to those of the Kasahara ALP variant.
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PMID:Abnormal alkaline phosphatase isoenzymes detected in the serum of elderly patients. 1551 17

A 62-year-old man with abdominal pain and lumbago was admitted to our hospital. Blood examination revealed renal insufficiency, and CT revealed retroperitoneal fibrosis causing bilateral hydrocele and ureteral compression. A colonoscopy was performed to rule out secondary retroperitoneal fibrosis due to malignancies, and this imaging revealed an ascending colon cancer. Laparoscopic right hemicolectomy with lymphadenectomy and retroperitoneal biopsy were performed. The retroperitoneum was filled with hard, white fibrous tissue, which made it difficult to mobilize the right mesocolon from the retroperitoneum. Devascularization performed before mobilization allowed for a safe and oncologically feasible procedure. Histologically, there were no malignant cells in the retroperitoneal tissue. The patient has been without colon cancer reoccurrence for 4 years. When the surgical challenges that distinguish these patients from ordinary cases are recognized preoperatively, laparoscopic colectomy may be a feasible option for patients with colorectal cancer with idiopathic retroperitoneal fibrosis.
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PMID:Laparoscopic right hemicolectomy for a patient with idiopathic retroperitoneal fibrosis: A case report. 2724 70