-
Gland Surgery Mar 2021Maximal cytoreductive surgery is an important prognostic factor in advanced epithelial ovarian cancer (EOC). To achieve maximal cytoreductive surgery, en bloc pelvic... (Review)
Review
Maximal cytoreductive surgery is an important prognostic factor in advanced epithelial ovarian cancer (EOC). To achieve maximal cytoreductive surgery, en bloc pelvic resection with rectosigmoid colectomy can be an effective surgical strategy. This surgical methodology was first described in 1968 as "radical oophorectomy." Since then, it has been adopted by many medical institutions around the world, and its safety has been shown by many studies. However, research on the surgical method is still lacking due to the limited number of prospective comparative studies. We will review the journals on pelvic resection with rectosigmoid colectomy published to date and discuss its efficacy, complications, and surgical techniques of the procedures.
PubMed: 33842265
DOI: 10.21037/gs-19-540 -
World Journal of Surgical Oncology May 2020The incidence of synchronous RCC and colorectal cancer is heterogeneous ranging from 0.03 to 4.85%. Instead, only one case of huge colon carcinoma and renal... (Review)
Review
INTRODUCTION
The incidence of synchronous RCC and colorectal cancer is heterogeneous ranging from 0.03 to 4.85%. Instead, only one case of huge colon carcinoma and renal angiomyolipoma was reported. The treatment of synchronous kidney and colorectal neoplasm is, preferably, synchronous resection. Currently, laparoscopic approach has shown to be feasible and safe, and it has become the gold standard of synchronous resection due to advantages of minimally invasive surgery. We presented a case synchronous renal neoplasm and colorectal cancer undergone simultaneous totally robotic renal enucleation and rectal resection with primary intracorporeal anastomosis. As our knowledge, this is the first case in literature of simultaneous robotic surgery for renal and colorectal tumor.
CASE PRESENTATION
A 53-year-old woman was affected by recto-sigmoid junction cancer and a solid 5 cm left renal mass. We performed a simultaneous robotic low anterior rectal resection and renal enucleation. Total operative time was 260 min with robotic time of 220 min; estimated blood loss was 150 ml; time to flatus was 72 h, and oral diet was administered 4 days after surgery. The patient was discharged on the eighth post-operative day without peri- and post-operative complication. The definitive histological examination showed a neuroendocrine tumor pT2N1 G2, with negative circumferential and distal resection margins. Renal tumor was angiomyolipoma. At 23 months follow-up, the patient is recurrence free.
DISCUSSION AND CONCLUSION
As our knowledge, we described the first case in literature of simultaneous robotic anterior rectal resection and partial nephrectomy for treatment of colorectal tumor and renal mass. Robotic rectal resection with intracorporeal anastomosis surgery seems to be feasible and safe even when it is associated with simultaneous partial nephrectomy. Many features of robotic technology could be useful in combined surgery. This strategy is recommended only when patients' medical conditions allow for longer anesthesia exposure. The advantages are to avoid a delay treatment of second tumor, to reduce the time to start the post-operative adjuvant chemotherapy, to avoid a second anesthetic procedure, and to reduce the patient discomfort. However, further studies are needed to evaluate robotic approach as standard surgical strategy for simultaneous treatment of colorectal and renal neoplasm.
Topics: Anastomosis, Surgical; Carcinoma, Renal Cell; Colorectal Neoplasms; Female; Humans; Kidney; Kidney Neoplasms; Middle Aged; Neoplasms, Multiple Primary; Nephrectomy; Operative Time; Proctectomy; Rectum; Robotic Surgical Procedures; Time Factors; Treatment Outcome
PubMed: 32366262
DOI: 10.1186/s12957-020-01864-1 -
BMJ Case Reports Dec 2019A 34-year-old man with recent-onset constipation presented with colonic obstruction due to a palpable rectal tumour. Colostomy relieved the obstruction and biopsy...
A 34-year-old man with recent-onset constipation presented with colonic obstruction due to a palpable rectal tumour. Colostomy relieved the obstruction and biopsy revealed carcinoma. During workup, full-thickness rectal prolapse occurred with the tumour at the apex of an intussusception. Imaging revealed a low rectal tumour and no metastases. An abdominal oncological rather than perineal resection of the rectum was planned. At laparotomy, the tumour was reduced and was seen to originate at the rectosigmoid junction. Surgery was successful and follow-up has been clear. Histology revealed an adenocarcinoma with microsatellite instability. Rectal prolapse due to tumour intussusception is very rare. In this young man, it was due to straining at stool because of constipation and tenesmus rather than pelvic floor abnormality. An associated colorectal tumour should be considered in patients with rectal prolapse. In such cases, surgical and adjuvant management may need to be modified.
Topics: Adenocarcinoma; Adult; Constipation; Diagnosis, Differential; Humans; Laparotomy; Magnetic Resonance Imaging; Male; Rectal Neoplasms; Rectal Prolapse
PubMed: 31892618
DOI: 10.1136/bcr-2019-230409 -
Endoscopy Apr 2022Clinical implementation of the resect-and-discard strategy has been difficult because optical diagnosis is highly operator dependent. This prospective study aimed to... (Clinical Trial)
Clinical Trial
BACKGROUND
Clinical implementation of the resect-and-discard strategy has been difficult because optical diagnosis is highly operator dependent. This prospective study aimed to evaluate a resect-and-discard strategy that is not operator dependent.
METHODS
The study evaluated a resect-and-discard strategy that uses the anatomical polyp location to classify colonic polyps into non-neoplastic or low risk neoplastic. All rectosigmoid diminutive polyps were considered hyperplastic and all polyps located proximally to the sigmoid colon were considered neoplastic. Surveillance interval assignments based on these a priori assumptions were compared with those based on actual pathology results and on optical diagnosis. The primary outcome was ≥ 90 % agreement with pathology in surveillance interval assignment.
RESULTS
1117 patients undergoing complete colonoscopy were included and 482 (43.1 %) had at least one diminutive polyp. Surveillance interval agreement between the location-based strategy and pathological findings using the 2020 US Multi-Society Task Force guideline was 97.0 % (95 % confidence interval [CI] 0.96-0.98), surpassing the ≥ 90 % benchmark. Optical diagnoses using the NICE and Sano classifications reached 89.1 % and 90.01 % agreement, respectively ( < 0.001), and were inferior to the location-based strategy. The location-based resect-and-discard strategy allowed a 69.7 % (95 %CI 0.67-0.72) reduction in pathology examinations compared with 55.3 % (95 %CI 0.52-0.58; NICE and Sano) and 41.9 % (95 %CI 0.39-0.45; WASP) with optical diagnosis.
CONCLUSION
The location-based resect-and-discard strategy achieved very high surveillance interval agreement with pathology-based surveillance interval assignment, surpassing the ≥ 90 % benchmark and outperforming optical diagnosis in surveillance interval agreement and the number of pathology examinations avoided.
Topics: Colonic Polyps; Colonoscopy; Colorectal Neoplasms; Humans; Prospective Studies
PubMed: 34448185
DOI: 10.1055/a-1546-9169 -
International Surgery May 2015Synchronous primary anorectal melanoma and colorectal adenocarcinoma is extremely rare, with only 5 cases reported in the literature. Here, a case is reported and the... (Review)
Review
Synchronous primary anorectal melanoma and colorectal adenocarcinoma is extremely rare, with only 5 cases reported in the literature. Here, a case is reported and the currently available literature is summarized. A 72-year-old white male presented with changes in his bowel habits and unintentional weight loss. Colonoscopy revealed a polypoid mass in the distal rectum extending to the anal verge anteriorly and a circumferential polypoid mass in the distal sigmoid colon. Biopsies were taken, which revealed poorly differentiated melanoma of the anorectal mass and moderately differentiated adenocarcinoma of the sigmoid mass with nodal involvement. Computed tomography of the abdomen showed liver metastasis. An extended abdominoperineal resection was undertaken for palliation, relief of symptoms, and definitive histology to guide further management. Consequently, a resection of the hepatic metastasis was attempted; however, macroscopic deposits were discovered on 7 of 8 liver segments perioperatively. He was subsequently referred to medical oncology for palliative chemotherapy. Synchronous primary anorectal melanoma and colorectal adenocarcinoma is rare, this being the sixth report found in the literature. In summary of the available cases, all synchronous cancers were located in the rectosigmoid and had very similar presentations. Most presented relatively late and were generally treated with abdominoperineal resection, which appears to be the best treatment option. Overall, prognosis appears to be dismal. General and colorectal surgeons should always be aware of the possibilities of simultaneous primary cancers because this can affect treatment modalities and prognosis for the patient.
Topics: Adenocarcinoma; Aged; Biopsy; Colonoscopy; Humans; Liver Neoplasms; Lymphatic Metastasis; Male; Melanoma; Palliative Care; Prognosis; Rectal Neoplasms; Sigmoid Neoplasms
PubMed: 26011200
DOI: 10.9738/INTSURG-D-14-00243 -
Journal of Medical Internet Research Aug 2021Most colorectal polyps are diminutive and benign, especially those in the rectosigmoid colon, and the resection of these polyps is not cost-effective. Advancements in... (Meta-Analysis)
Meta-Analysis Review
BACKGROUND
Most colorectal polyps are diminutive and benign, especially those in the rectosigmoid colon, and the resection of these polyps is not cost-effective. Advancements in image-enhanced endoscopy have improved the optical prediction of colorectal polyp histology. However, subjective interpretability and inter- and intraobserver variability prohibits widespread implementation. The number of studies on computer-aided diagnosis (CAD) is increasing; however, their small sample sizes limit statistical significance.
OBJECTIVE
This review aims to evaluate the diagnostic test accuracy of CAD models in predicting the histology of diminutive colorectal polyps by using endoscopic images.
METHODS
Core databases were searched for studies that were based on endoscopic imaging, used CAD models for the histologic diagnosis of diminutive colorectal polyps, and presented data on diagnostic performance. A systematic review and diagnostic test accuracy meta-analysis were performed.
RESULTS
Overall, 13 studies were included. The pooled area under the curve, sensitivity, specificity, and diagnostic odds ratio of CAD models for the diagnosis of diminutive colorectal polyps (adenomatous or neoplastic vs nonadenomatous or nonneoplastic) were 0.96 (95% CI 0.93-0.97), 0.93 (95% CI 0.91-0.95), 0.87 (95% CI 0.76-0.93), and 87 (95% CI 38-201), respectively. The meta-regression analysis showed no heterogeneity, and no publication bias was detected. Subgroup analyses showed robust results. The negative predictive value of CAD models for the diagnosis of adenomatous polyps in the rectosigmoid colon was 0.96 (95% CI 0.95-0.97), and this value exceeded the threshold of the diagnosis and leave strategy.
CONCLUSIONS
CAD models show potential for the optical histological diagnosis of diminutive colorectal polyps via the use of endoscopic images.
TRIAL REGISTRATION
PROSPERO CRD42021232189; https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=232189.
Topics: Colonic Polyps; Colonoscopy; Colorectal Neoplasms; Computers; Diagnostic Tests, Routine; Humans; Narrow Band Imaging
PubMed: 34432643
DOI: 10.2196/29682 -
Journal of Cachexia, Sarcopenia and... Oct 2019Cachexia is a multifactorial and multiorgan syndrome associated with cancer and other chronic diseases and characterized by severe involuntary body weight loss,...
BACKGROUND
Cachexia is a multifactorial and multiorgan syndrome associated with cancer and other chronic diseases and characterized by severe involuntary body weight loss, disrupted metabolism, inflammation, anorexia, fatigue, and diminished quality of life. This syndrome affects around 50% of patients with colon cancer and is directly responsible for the death of at least 20% of all cancer patients. Systemic inflammation has been recently proposed to underline most of cachexia-related symptoms. Nevertheless, the exact mechanisms leading to the initiation of systemic inflammation have not yet been unveiled, as patients bearing the same tumour and disease stage may or may not present cachexia. We hypothesize a role for gut barrier disruption, which may elicit persistent immune activation in the host. To address this hypothesis, we analysed the healthy colon tissue, adjacent to the tumour.
METHODS
Blood and rectosigmoid colon samples (20 cm distal to tumour margin) obtained during surgery, from cachectic (CC = 25) or weight stable (WSC = 20) colon cancer patients, who signed the informed consent form, were submitted to morphological (light microscopy), immunological (immunohistochemistry and flow cytometry), and molecular (quantification of inflammatory factors by Luminex® xMAP) analyses.
RESULTS
There was no statistical difference in gender and age between groups. The content of plasma interleukin 6 (IL-6) and IL-8 was augmented in cachectic patients relative to those with stable weight (P = 0.047 and P = 0.009, respectively). The number of lymphocytic aggregates/field in the gut mucosa was higher in CC than in WSC (P = 0.019), in addition to those of the lamina propria (LP) eosinophils (P < 0.001) and fibroblasts (P < 0.001). The area occupied by goblet cells in the colon mucosa was decreased in CC (P = 0.016). The M1M2 macrophages percentage was increased in the colon of CC, in relation to WSC (P = 0.042). Protein expression of IL-7, IL-13, and transforming growth factor beta 3 in the colon was significantly increased in CC, compared with WSC (P = 0.02, P = 0.048, and P = 0.048, respectively), and a trend towards a higher content of granulocyte-colony stimulating factor in CC was also observed (P = 0.061). The results suggest an increased recruitment of immune cells to the colonic mucosa in CC, as compared with WSC, in a fashion that resembles repair response following injury, with higher tissue content of IL-13 and transforming growth factor beta 3.
CONCLUSIONS
The changes in the intestinal mucosa cellularity, along with modified cytokine expression in cachexia, indicate that gut barrier alterations are associated with the syndrome.
Topics: Aged; Biomarkers; Cachexia; Cytokines; Female; Humans; Immunohistochemistry; Inflammation; Inflammation Mediators; Intestinal Mucosa; Male; Middle Aged; Neoplasms; Proteome; Proteomics
PubMed: 31307125
DOI: 10.1002/jcsm.12449 -
International Journal of Surgery... Jan 2016To assess the effectiveness of rectal wash out in preventing local recurrence for patients who undergo anterior resection for recto-sigmoid cancer. (Review)
Review
PURPOSE
To assess the effectiveness of rectal wash out in preventing local recurrence for patients who undergo anterior resection for recto-sigmoid cancer.
MATERIALS AND METHODS
A best evidence topic was constructed according to a structured protocol. Medline 1948-2015 and EMBASE 1980 to 2015 using the OVID interface: ( Rectal) AND (Washout) AND (Anterior Resection). In addition, the reference lists of the relevant papers were searched.
OUTCOMES
Eight papers among the 17 relevant articles were identified as representing the best evidence including 3 prospective non-randomized studies, 1 retrospective non randomized study and 4 meta-analyses.
CONCLUSIONS
On the basis of current evidence, rectal washout does not stop local recurrence of cancer after anterior resection or left sided colonic resection, but it may reduce the rate of local recurrence. A randomised controlled trial to address this issue would formally answer this question.
Topics: Colectomy; Humans; Neoplasm Recurrence, Local; Preoperative Care; Prospective Studies; Rectal Neoplasms; Retrospective Studies; Sigmoid Neoplasms; Therapeutic Irrigation
PubMed: 26626366
DOI: 10.1016/j.ijsu.2015.11.041 -
The Cochrane Database of Systematic... Oct 2014This is an updated version of the original Cochrane review published in 2010 (Issue 7).Carcinoma of the uterine cervix is the second most common cancer and the third... (Meta-Analysis)
Meta-Analysis Review
BACKGROUND
This is an updated version of the original Cochrane review published in 2010 (Issue 7).Carcinoma of the uterine cervix is the second most common cancer and the third leading cause of cancer death among women. Radiotherapy has been used successfully to treat cervical cancer for nearly a century. The combination of external beam radiotherapy (EBRT) and intracavity brachytherapy (ICBT) has become a standard treatment for cervical cancer. Whether high dose rate (HDR) or low dose rate (LDR) brachytherapy improves outcomes in terms of local control rates, survival and complications for women with cervical cancer remains controversial.
OBJECTIVES
To assess the efficacy and safety of HDR versus LDR ICBT in combination with EBRT for women with uterine cervical cancer.
SEARCH METHODS
We searched the Cochrane Gynaecological Cancer Group Specialised Register and the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library 2014, Issue 1), MEDLINE (1966 to March 2014), EMBASE (1974 to March 2014), and the Chinese Biomedical Literature Database (CBM) (1978 to March 2014) for relevant original, published trials.
SELECTION CRITERIA
Randomised controlled trials (RCTs) and quasi-RCTs that compared HDR with LDR ICBT, combined with EBRT, for women with locally advanced uterine cervical cancer.
DATA COLLECTION AND ANALYSIS
Two authors independently extracted the data using standardised forms. Primary outcome measures included overall survival (OS), relapse-free survival (RFS) and pelvic control rate, while secondary outcomes included rates of recurrence and complications.
MAIN RESULTS
Four studies involving 1265 women met the inclusion criteria. In our meta-analysis to compare HDR and LDR ICBT, the pooled risk ratios (RRs) were 0.95 (95% confidence interval (CI) 0.79 to 1.15), 0.93 (95% CI 0.84 to 1.04) and 0.79 (95% CI 0.52 to 1.20) for 3-, 5- and 10-year overall survival rates respectively; and 0.95 (95% CI 0.84 to 1.07) and 1.02 (0.88 to 1.19) for 5- and 10-year disease-specific survival (DSS) rates respectively. The RR for RFS was 1.04 (95% CI 0.71 to 1.52) and 0.96 (95% CI 0.81 to 1.14) at 3- and 5- years. For local control rates the RR was 0.95 (95% CI 0.86 to 1.05) and 0.95 (95% CI 0.87 to 1.05) at 3- and 5- years; with a RR of 1.09 (95% CI 0.83 to 1.43) for locoregional recurrence, 0.79 (95% CI 0.40 to 1.53) for local and distant recurrence, 2.23 (95% CI 0.78 to 6.34) for para-aortic lymph node metastasis, and 0.99 (95% CI 0.72 to 1.35) for distance metastasis. For bladder, rectosigmoid and small bowel complications, the RR was 1.33 (95% CI 0.53 to 3.34), 1.00 (95% CI 0.52 to 1.91) and 3.37 (95% CI 1.06 to 10.72) respectively. These results indicated that there were no significant differences except for increased small bowel complications with HDRs (P = 0.04).
AUTHORS' CONCLUSIONS
Since the last version of this review, no new studies were identified for inclusion in this review to provide additional information. This review showed no significant differences between HDR and LDR ICBT when considering OS, DSS, RFS, local control rate, recurrence, metastasis and treatment related complications for women with cervical carcinoma. Due to some potential advantages of HDR ICBT (rigid immobilization, outpatient treatment, patient convenience, accuracy of source and applicator positioning, individualized treatment) we recommend the use of HDR ICBT for all clinical stages of cervix cancer. The overall risk of bias was high for the included studies as many of the items were either of high or unclear risk. The GRADE assessment of the quality of the evidence was low to moderate.
Topics: Brachytherapy; Female; Humans; Neoplasm Recurrence, Local; Neoplasm Staging; Radiotherapy Dosage; Randomized Controlled Trials as Topic; Uterine Cervical Neoplasms
PubMed: 25300170
DOI: 10.1002/14651858.CD007563.pub3 -
Asian Journal of Surgery Oct 2023There is no standard treatment strategy for rectosigmoid cancer because of the diverse definitions of the proximal rectal origin. This study aimed to evaluate sigmoid...
INTRODUCTION
There is no standard treatment strategy for rectosigmoid cancer because of the diverse definitions of the proximal rectal origin. This study aimed to evaluate sigmoid take-off compared with other landmarks of the rectosigmoid junction in guiding oncological therapy and outcomes.
MATERIALS AND METHODS
This retrospective, comparative cohort study included patients diagnosed with rectosigmoid carcinoma at our centre between January 2010 and December 2018. The patients were classified into the neoadjuvant treatment group and upfront surgery group. The oncological outcomes were compared between the two groups in relation to the tumor position.
RESULTS
A total of 656 patients (median age 64 years) were included. After propensity score matching, the 3- and 5-year overall survival and disease-free survival in patients in both the groups were comparable. However, when only patients with rectal cancer as defined by the sigmoid take-off point were included, the disease-free survival rate in the upfront surgery group was significantly lower than that in the neoadjuvant treatment group (p = 0.03 in patients who underwent computed tomography, p = 0.03 in patients who underwent magnetic resonance imaging). The turning point of the beneficial hazard ratio of neoadjuvant therapy was compared according to the different definitions of the rectosigmoid junction and the sigmoid take-off was found to be the most effective.
CONCLUSION
The sigmoid take-off point is a suitable landmark for identifying the rectosigmoid junction and is an important defining criterion for assessing the benefit of neoadjuvant therapy. The application of this definition in clinical practice and future trials is warranted.
Topics: Humans; Middle Aged; Neoadjuvant Therapy; Retrospective Studies; Cohort Studies; Colon, Sigmoid; Rectal Neoplasms; Sigmoid Neoplasms; Neoplasm Staging
PubMed: 37803809
DOI: 10.1016/j.asjsur.2022.10.031