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Dickfos M, Tan SBM, Stevenson ARL, Harris CA, Esler R, Peters M, Taylor DG. Development of a pelvic exenteration service at a tertiary referral centre. ANZ J Surg 2018; 88. [PMID: 29510462 DOI: 10.1111/ans.14427] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 01/07/2018] [Accepted: 01/13/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND Over one-third of primary rectal cancers are locally advanced at diagnosis, and local recurrence of rectal cancer occurs at a rate of 3-10% following primary curative resection. Extended resectional surgery, including pelvic exenteration, is the only proven therapy with curative potential in the treatment of these cancers along with many other pelvic malignancies. A microscopically clear resection margin (R0 resection) is the predominant prognostic factor affecting overall and disease-free survival. The extent and complexity of surgery required to achieve an R0 resection is associated with significant risk of morbidity and mortality. The aim of this paper is to show that pelvic exenterations can be performed with acceptable oncological and safe perioperative results in an appropriately resourced specialist centre. METHODS Data was collected retrospectively for 61 consecutive patients treated between June 2012 and February 2017. This included patient demographics, tumour characteristics, operative, clinical and histological data, length of hospital stay, morbidity and mortality data. RESULTS A total of 61 patients underwent surgery. Median age was 57 years (range 27-78 years). Median length of stay was 41 days (range 6-288 days). Median operative time was 624 min (range 239-1035 min); 30-day mortality was 3.3% (n = 2). Resection rates were 91.5% - R0, 6.8% - R1 and 1.7% - R2 resections. Histologically, 86.9% - adenocarcinomas, 3.3% - squamous cell carcinomas and 9.8% - represented by leiomyosarcoma, melanoma, myxoid chondrosarcoma, non-neoplastic processes and undifferentiated carcinoma. CONCLUSION Our experience confirms that radical resectional pelvic surgery can be safely performed with acceptable results during the establishment phase of a dedicated tertiary service.
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Affiliation(s)
- Marilla Dickfos
- General Surgery Department, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
- School of Medicine, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Stephanie B M Tan
- General Surgery Department, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
- School of Medicine, Faculty of Health and Behavioural Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Andrew R L Stevenson
- General Surgery Department, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
| | - Craig A Harris
- General Surgery Department, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
- Department of Colorectal Surgery, Mater Hospital, Brisbane, Queensland, Australia
| | - Rachel Esler
- General Surgery Department, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
- Department of Urology, Wesley Hospital, Brisbane, Queensland, Australia
| | - Matthew Peters
- General Surgery Department, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
| | - David G Taylor
- General Surgery Department, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
- Department of Urology, Wesley Hospital, Brisbane, Queensland, Australia
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Banki F, Yacoub WN, Hagen JA, Mason RJ, Ayazi S, DeMeester SR, Lipham JC, Danenberg K, Danenberg P, DeMeester TR. Plasma DNA is more reliable than carcinoembryonic antigen for diagnosis of recurrent esophageal cancer. J Am Coll Surg 2008; 207:30-5. [PMID: 18589358 DOI: 10.1016/j.jamcollsurg.2008.01.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2007] [Revised: 12/30/2007] [Accepted: 01/08/2008] [Indexed: 11/22/2022]
Abstract
BACKGROUND Carcinoembryonic antigen (CEA) and plasma DNA are known to be elevated in patients with esophageal cancer and are higher in patients with disseminated disease. The sensitivity and specificity of these markers in the diagnosis of recurrent esophageal cancer have not been compared. STUDY DESIGN Plasma DNA was measured using polymerase chain reaction in 45 patients with esophageal cancer and 44 asymptomatic volunteers. The 95(th) percentile (19 ng /mL) in the volunteers was used to define normal. Thirty-nine patients had localized cancer and underwent resection, and six had disseminated disease at operation. Plasma DNA was measured preoperatively in all patients, with serum CEA measured in 31. Plasma DNA was measured sequentially during followup in 21 patients, including 7 who developed recurrence. CEA was measured in 14 of 21 patients who had sequential plasma DNA measured and in 6 of 7 patients with recurrence. CEA levels greater than 5.0 ng/mL were used as cut-off. RESULTS Plasma DNA was more sensitive than CEA for detecting unresectable esophageal cancer (100% versus 40%), but it had a lower specificity (22% versus 89%). The positive predictive value (19% versus 40%) and negative predictive value (100% versus 89%) were similar for plasma DNA and serum CEA, respectively. Plasma DNA was also more sensitive than CEA in detecting recurrent esophageal cancer (100% versus 33%). The specificity and positive predictive values were 100% for both tests, but the negative predictive values were higher for plasma DNA. Plasma DNA rose before there was clinical evidence of recurrence in 67% compared with only 17% for CEA. CONCLUSIONS Elevated plasma DNA is an extremely reliable indicator of the presence of recurrent disease, and, in the majority of patients, it rises before clinical evidence of recurrence. In contrast, a normal CEA should be interpreted cautiously, because it does not exclude recurrent disease.
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Abstract
OBJECTIVE Rise in carcinoembryonic antigen (CEA) above normal limits can indicate recurrent colorectal cancer. The aim of this study was to evaluate whether a small rise in CEA, even within normal limits was a sensitive indicator of recurrence. METHOD 150 patients aged 22-87 years were followed up for a mean of 27 months after colorectal surgery with CEA 3 and 6 monthly computerized tomography. We analysed whether a rise in CEA > 1 ng/ml correlated with recurrence of metastases. RESULTS Forty-six of 139 patients in final analysis had recurrent disease. A rise in CEA > 1 had a predictive value of 74% for recurrence or metastases (sensitivity 80%, specificity 86%). These findings were similar whether or not the CEA was normal preoperatively. CONCLUSION If CEA is measured after surgery for colorectal cancer, a rise of >1 in the patient's postoperative value is predictive for recurrence or metastases with an overall sensitivity of 80% and specificity of 86%. Previous studies have recognized the role of large rises in CEA in predicting recurrence but this study shows that small changes in CEA may be significant even if these levels would be traditionally within 'normal' limits.
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Affiliation(s)
- T Irvine
- Department of Surgery, Whittington Hospital, London, UK.
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Liu FY, Chen JS, Changchien CR, Yeh CY, Liu SH, Ho KC, Yen TC. Utility of 2-fluoro-2-deoxy-D-glucose positron emission tomography in managing patients of colorectal cancer with unexplained carcinoembryonic antigen elevation at different levels. Dis Colon Rectum 2005; 48:1900-12. [PMID: 15991059 DOI: 10.1007/s10350-005-0097-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
PURPOSE Serum carcinoembryonic antigen elevation without detectable relapse during colorectal cancer follow-up presents a challenge. This study was designed to evaluate the utility of fluorine-18-labeled 2-fluoro-2-deoxy-D-glucose positron emission tomography in colorectal cancer patients with unexplained carcinoembryonic antigen elevation at different levels. METHODS Thirty-seven colorectal cancer patients referred for positron emission tomography after primary surgery who had serum carcinoembryonic antigen levels >5 ng/ml and negative or equivocal conventional imaging studies were analyzed. Patient status was determined by histopathology and/or clinical follow-up. Grouping as disease-free, potentially resectable, or advanced disease was performed. The management impact was defined as the percentage of patients with a true-positive positron emission tomography result. RESULTS The sensitivity, specificity, and accuracy of positron emission tomography for relapse detection were 89, 89, and 89 percent, respectively. The management impact was 68 percent. In 24 patients with carcinoembryonic antigen levels <25 ng/ml, positron emission tomography helped correct patient grouping in 20 patients (83 percent), including 8 in the disease-free group, 5 in the potentially resectable group, and 7 in the advanced-disease group. In 13 patients with carcinoembryonic antigen levels >25 ng/ml, positron emission tomography identified 8 patients in the advanced-disease group and 1 patient in the potentially resectable group but missed 2 patients with relapse and undergrouped 2 patients in the advanced-disease group as potentially resectable. CONCLUSIONS 2-fluoro-2-deoxy-D-glucose positron emission tomography can help triage patients for appropriate management with unexplained carcinoembryonic antigen elevation <25 ng/ml. For patients with unexplained elevation of carcinoembryonic antigen >25 ng/ml, the utility of positron emission tomography is mainly to confirm the presence of advanced disease and occasionally to identify potentially resectable lesions.
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Affiliation(s)
- Feng-Yuan Liu
- Department of Nuclear Medicine and Molecular Imaging Center, Chang Gung Memorial Hospital, Linkou Medical Center, Taoyuan, Taiwan
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Moore HG, Shoup M, Riedel E, Minsky BD, Alektiar KM, Ercolani M, Paty PB, Wong WD, Guillem JG. Colorectal cancer pelvic recurrences: determinants of resectability. Dis Colon Rectum 2004; 47:1599-606. [PMID: 15540287 DOI: 10.1007/s10350-004-0677-x] [Citation(s) in RCA: 116] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE This study was designed to identify preoperative and intraoperative features of locally recurrent colorectal cancer that predict R0 resection in patients scheduled for attempted complete resection followed by intraoperative radiation therapy. METHODS Review of a prospective data base identified 119 patients brought to the intraoperative radiation therapy suite for planned complete resection of locally recurrent rectal (n = 101) and colon (n = 18) cancer between January 1994 and November 2000. R0 resection was achieved in 61 patients. This group was compared with patients in which an R1 (n = 38), R2 (n = 7), or palliative procedure (n = 13) was performed. Variables evaluated included: tumor location, features of the primary tumor, and preoperative findings on computed tomography, magnetic resonance imaging, and history/physical. Tumor location was established by review of operative/pathologic reports and classified as axial (anastomotic/perineal), anterior (bladder/genitourinary organs), posterior (presacral), or lateral (pelvic sidewall). RESULTS When recurrence was confined to the axial location only, or axial and anterior locations, R0 resection was achieved significantly more often than when other locations were involved (P < 0.001, P = 0.003, respectively). When a lateral component was present, R0 resection was achieved significantly less often than when there was no lateral component (P = 0.002). For patients with available preoperative computed tomography and/or magnetic resonance imaging results (n = 70), the finding of lateral tumor involvement was associated with R0 resection significantly less often than when lateral disease was not identified (P = 0.004). CONCLUSIONS Pelvic recurrences confined to the axial location, or axial and anterior locations, are more likely to be completely resectable (R0) than those involving the pelvic sidewall. Efforts to enhance preoperative identification and imaging of these patients are clearly justified.
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Affiliation(s)
- Harvey G Moore
- Department of Surgery, Memorial Sloan-Kettering Cancer Center, New York, New York, USA
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Avital S, Haddad R, Troitsa A, Kashtan H, Brazovsky E, Gitstein G, Skornick Y, Schneebaum S. Radioimmunoguided surgery for recurrent colorectal cancer manifested by isolated CEA elevation. Cancer 2000; 89:1692-8. [PMID: 11042562 DOI: 10.1002/1097-0142(20001015)89:8<1692::aid-cncr7>3.0.co;2-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
BACKGROUND Carcinoembryonic antigen (CEA) is a sensitive marker for detecting recurrent colorectal carcinoma. An asymptomatic rise of CEA can precede by several months the detection of recurrent cancer by standard imaging modalities. Yet, surgeons are hesitant to operate solely on the basis of an observed increase in CEA. We investigated the ability of radioimmunoguided surgery to enhance the surgeon's capability of detecting intraabdominal disease in these patients. METHODS Nineteen patients who underwent radioimmunoguided surgery for suspected tumor recurrence based solely on elevated CEA were included in the study. They underwent colonoscopy and CT of the abdomen and chest, all of which were negative. They then underwent scintigraphy scan with an anti-CEA monoclonal antibody (MoAb) labeled with (99m)Tc or Indium I-111. All patients were injected with the CC49 MoAb (an anti-TAG-72 tumor-associated glycoprotein) labeled with (125)I three weeks before surgery. During surgery, traditional exploration was followed by survey with a gamma-detecting probe. RESULTS Traditional surgical exploration identified 26 recurrent tumors: 7 hepatic, 8 pelvic, 6 retroperitoneal, 3 colonic, 1 splenic, and 1 anastomotic. Radioimmunoguided surgical exploration confirmed all recurrent tumors and identified additional tumor sites in seven patients that resulted in changing the surgical plan. CEA scans correlated with intraabdominal findings in seven patients. Abdominal pathology did not correlate completely with the scans in three patients, and CEA scan results were undetermined in two patients. CONCLUSION Patients with elevated CEA and no other findings should be operated upon without delay, and radioimmunoguided surgery should be used to enhance the surgeon's knowledge of the extent of disease.
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Affiliation(s)
- S Avital
- Dept. of Surgery "A," Tel-Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel-Aviv University, 6 Weizmann Street, Tel-Aviv 64239, Israel
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Onodera H, Maetani S, Kawamoto K, Kan S, Kondo S, Imamura M. Pathologic significance of tumor progression in locally recurrent rectal cancer: different nature from primary cancer. Dis Colon Rectum 2000; 43:775-81. [PMID: 10859076 DOI: 10.1007/bf02238013] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE It has recently been demonstrated that the tumor growth rate is a stronger determinant of survival than the extent of the growth in local recurrence of rectal cancer. We studied which factors controlled the tumor growth rate using modern immunohistochemical methods. METHODS In 51 patients who underwent extended resection for this condition, paraffin-embedded specimens were examined for 1) tumor angiogenesis by CD31 staining and microvessel counting, 2) apoptosis by terminal deoxynucleotide transferase-mediated deoxyuridine triphosphate-biotin nick end-labeling staining, and 3) cellular proliferative activity using anti-proliferative cell nuclear antigen antibody. The results were compared with carcinoembryonic antigen doubling time and survival. RESULTS The five-year survival rate was 20 percent. The postoperative carcinoembryonic antigen doubling time, which was the strongest predictor of survival, correlated highly with proliferative cell nuclear antigen labeling index, but did not correlate with the apoptotic index or microvessel counts. CONCLUSION Our study shows that cancer cell proliferation rather than apoptosis or angiogenesis is a major determinant of tumor growth rate and survival in patients with locally recurrent rectal cancer.
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Affiliation(s)
- H Onodera
- Department of Surgery and Surgical Basic Science, Faculty of Medicine, Kyoto University, Japan
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Li Destri G, Greco S, Rinzivillo C, Racalbuto A, Curreri R, Di Cataldo A. Monitoring carcinoembryonic antigen in colorectal cancer: is it still useful? Surg Today 1999; 28:1233-6. [PMID: 9872539 DOI: 10.1007/bf02482805] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The results of a study conducted to determine the usefulness of carcinoembryonic antigen (CEA) monitoring in the follow-up of patients with resected colorectal cancer are reported herein. The subjects of this study were 125 patients in whom CEA had been determined preoperatively and 239 patients in whom CEA had been monitored postoperatively. The results revealed increased preoperative CEA in only 24% of the subjects, and that this increment was correlated with subsequent more advanced tumor stage and a higher recurrence rate (P < 0.01). The postoperative CEA level exceeded the threshold in 71% of the patients affected by recurrence, 94.4% of whom developed liver metastases and 50%, nonhepatic recurrence. This marker showed elevated sensitivity for liver metastases (99%), whereas the sensitivity was lower for nonhepatic recurrence of the disease (94%). Thus, we concluded that CEA monitoring can be useful for preoperative colorectal tumor grading, even if its validity in the early diagnosis of recurrence is problematic, especially in terms of radical repeated surgery and survival.
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Affiliation(s)
- G Li Destri
- First Surgical Clinic, University of Catania, Policlinico, Italy
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Karl RC. Efficacy of Detection Methods for Metastatic Gastrointestinal Cancers. Cancer Control 1998; 5:21-24. [PMID: 10762476 DOI: 10.1177/107327489800503s08] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Affiliation(s)
- RC Karl
- Division of Surgical Oncology, University of South Florida College of Medicine, Tampa 33612, USA
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Abstract
BACKGROUND Despite new adjuvant therapy, 50% of patients with colon cancer will have recurrent disease. This study investigated the use of a radiolabeled monoclonal antibody in locating occult tumor during surgery for recurrent colorectal cancer. METHODS Twenty-two patients with recurrent colorectal cancer underwent surgery using the radioimmunoguided surgery (RIGS) system. All patients were subjected to abdominal and chest computed tomography (CT). Before surgery, patients were injected with the CC49 monoclonal antibody (MoAb), anti-TAG antibody labeled with 125I. Ten patients with elevated carcinoembryonic antigen (CEA) levels and no CT findings had a scintigraphy scan with an anti-CEA MoAb labeled with 99Tc. Human antimouse antibody levels of these patients were within normal limits. Surgical exploration including liver ultrasound examination was followed by survey with a gamma-detecting probe (GDP). RESULTS There was MoAb tumor localization in 100% of the patients. CT found nine tumor sites, traditional surgical exploration 30, and the GDP 51, with 44 confirmed by pathology (hematoxylin and eosin). The RIGS system found occult tumor in 10 patients (45.4%) and resulted in major changes in surgical procedure in 11 patients. In the 10 patients who had scintigraphy scans, 10 tumor sites were identified, whereas RIGS found an additional eight sites. CONCLUSION RIGS technology offers a substantial benefit for patients undergoing surgery for recurrent colorectal cancer and a better chance of finding recurrent tumor intraoperatively in patients who have elevated CEA levels with no other CT findings.
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Affiliation(s)
- S Schneebaum
- Department of Surgery A, Ichilov Hospital, Tel-Aviv Sourasky Medical Center, Israel
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Elias D, Saric J, Jaeck D, Arnaud JP, Gayet B, Rivoire M, Lorimier G, Carles J, Lasser P. Prospective study of microscopic lymph node involvement of the hepatic pedicle during curative hepatectomy for colorectal metastases. Br J Surg 1996; 83:942-5. [PMID: 8813780 DOI: 10.1002/bjs.1800830717] [Citation(s) in RCA: 61] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Extensive lymph node dissection of the hepatic pedicle was undertaken in 100 consecutive patients undergoing curative hepatectomy for colorectal liver metastases in whom lymph node involvement of the hepatic pedicle was not macroscopically detectable. Microscopic lymph node involvement was found in 14 patients, in very different lymph node sites, and was related only to the number of metastases, extent of liver involvement and carcinoembryonic antigen level (all P < 0.05).
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Affiliation(s)
- D Elias
- Department of Digestive Surgery, Institut Gustave Roussy, Villejuif, France
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Clark GW, Ireland AP, Hagen JA, Collard JM, Peters JH, DeMeester TR. Carcinoembryonic antigen measurements in the management of esophageal cancer: an indicator of subclinical recurrence. Am J Surg 1995; 170:597-600; discussion 600-1. [PMID: 7492008 DOI: 10.1016/s0002-9610(99)80023-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
BACKGROUND Detection of subclinical recurrence after surgical resection of esophageal cancer would allow earlier treatment of recurrent disease and potentially offer a better outcome for rescue therapy. METHODS The utility of serum carcinoembryonic antigen (CEA) assay was evaluated in the management of patients with esophageal cancer. RESULTS Serum carcinoembryonic antigen was measured preoperatively in 74 patients. Elevation of the CEA level (> 5 ng/mL) was present in 14 patients (19%). There was no relationship between preoperative CEA elevation and the stage of the tumor or the patients' survival. Eighty-three patients had CEA assay at regular follow-up intervals after resection. Objective evidence of recurrent disease was determined at similar intervals by chest radiography and abdominal and thoracic computed tomography scans. During follow-up, 53 of 83 patients developed recurrence. Postoperative elevation of CEA levels occurred in 32 patients, resulting in a sensitivity of 55% for detecting recurrent disease. Twenty-nine of the 32 patients who developed CEA elevation had objective evidence of metastatic disease. In 13 patients, the rise in CEA levels predated objective evidence of recurrence by a median of 4 months (range 3 to 35), and in 16 patients, it occurred concomitantly. The specificity with which an elevated postoperative CEA level indicated recurrence was high, 90%, with a positive predictive value of 91%. CONCLUSIONS Postoperative CEA elevation is highly predictive of recurrent disease. In 16% of patients, elevation of CEA was the earliest objective sign of recurrence; such elevation should prompt consideration of adjuvant therapy.
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Affiliation(s)
- G W Clark
- Department of Surgery, University of Southern California, Los Angeles, USA
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Ohlsson B, Breland U, Ekberg H, Graffner H, Tranberg KG. Follow-up after curative surgery for colorectal carcinoma. Randomized comparison with no follow-up. Dis Colon Rectum 1995; 38:619-26. [PMID: 7774474 DOI: 10.1007/bf02054122] [Citation(s) in RCA: 233] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
PURPOSE This study investigated the value of intense follow-up compared with no follow-up after curative surgery of cancer in the colon or rectum. METHODS One hundred seven patients were randomized to no follow-up (control group; n = 54) or intense follow-up (follow-up group; n = 53) after surgery and early postoperative colonoscopy. Patients in the follow-up group were followed at frequent intervals with clinical examination, rigid proctosigmoidoscopy, colonoscopy, computed tomography of the pelvis (in patients operated with abdominoperineal resection), pulmonary x-ray, liver function tests, and determinations of carcinoembryonic antigen and fecal hemoglobin. Follow-up ranged from 5.5 to 8.8 years after primary surgery. RESULTS Tumor recurred in 18 patients (33 percent) in the control group and in 17 patients (32 percent) in the follow-up group. Reresection with curative intent was performed in three patients in the control group and in five patients (four of whom were asymptomatic) in the follow-up group. In the follow-up group two asymptomatic patients with elevated carcinoembryonic antigen levels were disease-free three and five and one-half years after reresection and were the only patients apparently cured by reresection. No patient underwent surgery for metastatic disease in the liver or lungs. Symptomatic metachronous carcinoma was detected in one patient (control group) after three years. Five-year survival rate was 67 percent in the control group and 75 percent in the follow-up group (P > 0.05); the corresponding cancer-specific survival rates were 71 percent and 78 percent, respectively. CONCLUSION Intense follow-up after resection of colorectal cancer did not prolong survival in this study.
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Affiliation(s)
- B Ohlsson
- Department of Surgery, Lund University, Sweden
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