Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0027627 (metastases)
 103,950 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

From 1960 to 1992 a total of 1718 patients with liver metastases from colorectal carcinoma were recorded. Of these patients, 469 (27.3%) underwent hepatic resection, which was performed with curative intent in 434 patients (25.3%). Operative mortality in this group was 4.4%, being 1.8% (2 of 114) during the last 3 years. Significant morbidity was observed in 16% of patients with a decrease to 5% (6 of 112) for the last 3 years. A 99.8% follow-up until November 1, 1993 was achieved. Excluding operative mortality, there are 350 patients with "potentially curative" resection and 65 corresponding patients with minimal macroscopic (n = 19) or microscopic (n = 46) residual disease. The latter group demonstrated a poor prognosis, with median and maximum survival times of 14.4 and 56.0 months, respectively. Among the 350 patients having potentially curative resection, the actuarial 5-, 10-, and 20-year survivals were 39.3%, 23.6%, and 17.7%, respectively. Tumor-free survival was 33.6% at 5 years. In the univariate analysis, the following factors were associated with decreased crude survival: presence and extent of mesenteric lymph node involvement (p = 0.0001); grade III/IV primary tumor (p = 0.013); synchronous diagnosis of metastases (p = 0.014); satellite metastases (p = 0.00001); metastasis diameter of > 5 cm (p = 0.003); preoperative carcinoembryonic antigen (CEA) elevation (p = 0.03); limited resection margins (p = 0.009); extrahepatic disease (p = 0.009); and nonanatomic procedures (p = 0.008). With respect to disease-free survival, extrahepatic disease (p = 0.09) failed to achieve statistical significance, whereas patients with primary tumors in the colon did significantly better than those with rectal cancer (p = 0.04). The presence of five or more independent metastases adversely affected resectability (p < 0.05). However, once a radical excision of all detectable disease was achieved, no significant predictive value of an increasing number of metastases (1-3 versus > or = 4) on either overall (p = 0.40) or disease-free (p = 0.64) survival was found. Using Cox's multivariate regression analysis, the presence of satellite metastases, primary tumor grade, the time of metastasis diagnosis, diameter of the largest metastasis, anatomic versus nonanatomic approach, year of resection, and mesenteric lymph node involvement each independently affected both crude and tumor-free survival.
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PMID:Resection of colorectal liver metastases. 774 Aug 12

From 1960 to 1993, a total of 1.766 patients with liver metastases from colorectal carcinoma was recorded. Five-hundred-and-eight patients (28.8%) underwent hepatic resection which was performed with curative intent in 473 patients (26.8%). 30-day mortality in this group was 4.5%, being 2.6% (4 out of 155) since 1990. Significant morbidity was observed in 16% of patients with a decrease to 7% for the last 4 years. A 99.5 percent follow-up until January 1, 1996, was achieved. Excluding operative mortality there are 376 patients with "potentially curative" initial liver resection, and 65 corresponding patients with minimal macroscopic (n = 19) or microscopic (n = 46) residual disease. The latter group demonstrated a poor prognosis with median and maximum survival times of 14.8 and 56 months, respectively. Among the 376 patients having potentially curative resection the actuarial five, ten, and twenty year survival was 39 +/- 3, 26 +/- 5 and 21 +/- 13 percent, respectively. Tumor-free survival was 34 +/- 3 percent at 5 years. In the univariate analysis, the following factors were associated with decreased crude survival: Presence and extent of mesenteric lymph node involvement (p = 0.0001), poor grading of the primary tumor (p = 0.008), synchronous diagnosis of metastases (p = 0.004), satellite metastases (p < 0.0001), an increasing metastasis diameter (p < 0.0001), preoperative CEA elevation (p = 0.0002), a resection margin of less than 1 cm (p = 0.018), extrahepatic disease (p = 0.02), non-anatomical procedures (p = 0.008), and an operative blood loss exceeding 2.000 ml (p = 0.02). With respect to disease-free survival, extrahepatic disease (p = 0.09) failed to achieve statistical significance, while patients with colon cancer and with delayed resection of synchronous metastases did significantly better than those with rectal cancer (p = 0.02) and with a simultaneous procedure (p = 0.04), respectively. Multiplicity and bilobar involvement did not affect prognosis. Similarly, no significant predictive value of an increasing number of metastases (1-3 vs > or = 4) on either overall (p = 0.35) or disease free survival (p = 0.55) was found after a radical excision of all detectable disease. Using Cox's multivariate regression analysis, presence of satellite metastases, anatomical vs non-anatomical approach, primary tumor grade and diameter of the largest metastasis all independently affected both crude and tumor-free survival (p < 0.05). With respect to survival, this was complemented by the margin of clearance (0.05 < p < 0.1), while for disease-free survival primary tumor site and time of metastasis diagnosis had some additional influence. Twenty-six patients with R0-reresection of the liver, and 32 patients with radical excision of extrahepatic recurrent disease had a subsequent 5-year survival of 57 +/- 15 percent and 32 +/- 12 percent, respectively. This confirms the effectiveness of a close follow-up policy.
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PMID:[Surgical resection of colorectal liver metastases: Gold standard for solitary and radically resectable lesions]. 896 36