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Paskaranandavadivel N, Varghese C, Lara J, Ramachandran S, Cheng L, Holobar A, Gharibans A, Bissett I, Collinson R, Stinear C, O'Grady G. A Novel High-Density Electromyography Probe for Evaluating Anorectal Neurophysiology: Design, Human Feasibility Study, and Validation with Trans-Sacral Magnetic Stimulation. Ann Biomed Eng 2020; 49:502-514. [PMID: 32737639 DOI: 10.1007/s10439-020-02581-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 07/22/2020] [Indexed: 12/17/2022]
Abstract
Fecal incontinence (FI) substantially impairs quality of life and imparts a major socioeconomic burden. Anal sphincter injury and possibly pudendal nerve damage are considered common causes, however, current clinical methods for evaluating their function remain suboptimal. Electromyography (EMG) and pudendal nerve terminal latencies have been applied with some success, but are not considered standard practice due to uncertain accuracy and clinical value. In this study we developed and applied a novel anorectal high-density (HD) EMG probe in humans and pigs to acquire quantitative electrophysiological metrics of the anorectum. In the human trial we assessed somatic pathways and showed that EMG amplitude was greater for tight voluntary squeezes than light voluntary squeezes (0.03 ± 0.02 mV vs. 0.05 ± 0.03 mV). In a porcine model we applied trans-sacral magnetic stimulation to evoke extrinsically activated involuntary pathways and the resulting motor evoked potentials (MEP) were captured using the HD-EMG probe. The mean MEP amplitude at 50% magnetic stimulation intensity output (MSO) was significantly lower that the MEP amplitude at 85, 95 and 100% MSO (1.52 ± 0.50 mV vs. 3.10 ± 0.60 mV). In conclusion, the use of HD-EMG probe in conjunction with trans-sacral magnetic stimulation, for spatiotemporal mapping of anorectal EMG and MEP activity is anticipated to achieve new insights into FI and could offer improved diagnostic and prognostic biomarkers for anorectal dysfunction.
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Affiliation(s)
- Niranchan Paskaranandavadivel
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand.
- Department of Surgery, University of Auckland, Auckland, New Zealand.
| | - Chris Varghese
- Department of Surgery, University of Auckland, Auckland, New Zealand
| | - Jaime Lara
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | - Shasti Ramachandran
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
| | - Leo Cheng
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
- Vanderbilt University, Nashville, TN, USA
| | - Ales Holobar
- Faculty of Electrical Engineering and Computer Science, University of Maribor, Maribor, Slovenia
| | - Armen Gharibans
- Department of Surgery, University of Auckland, Auckland, New Zealand
| | - Ian Bissett
- Department of Surgery, University of Auckland, Auckland, New Zealand
- Auckland City Hospital, Auckland, New Zealand
| | | | - Cathy Stinear
- Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Gregory O'Grady
- Auckland Bioengineering Institute, University of Auckland, Auckland, New Zealand
- Department of Surgery, University of Auckland, Auckland, New Zealand
- Auckland City Hospital, Auckland, New Zealand
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Investigating Risk Factors for Complications after Ileostomy Reversal in Low Anterior Rectal Resection Patients: An Observational Study. J Clin Med 2019; 8:jcm8101567. [PMID: 31581485 PMCID: PMC6832752 DOI: 10.3390/jcm8101567] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 09/23/2019] [Accepted: 09/25/2019] [Indexed: 02/07/2023] Open
Abstract
Introduction: Defunctioning ileostomy has been widely used in patients undergoing low anterior rectal resection to reduce the rate of postoperative leakage. It is still not clear whether interval between primary procedure and ileostomy reversal has an impact on treatment outcomes. Methods: In our prospective observational study we reviewed 164 consecutive cases of patients who underwent total mesorectal excision with primary anastomosis. Univariate and multivariate regression models were used to search for risk factors for prolonged length of stay and complications after defunctioning ileostomy reversal. Receiver operating characteristic curves were utilized to set cut-off points for prolonged length of stay and perioperative morbidity. Results: In total, 132 patients were included in the statistical analysis. The median interval between primary procedure and defunctioning ileostomy reversal was 134 (range: 17-754) days, while median length of stay was 5 days (4-6 interquartile range (IQR)). Prolonged length of stay cut-off was established at 6 days. Regression models revealed that interval between primary surgery and stoma closure as well as complications after primary procedure are risk factors for complications after defunctioning ileostomy reversal. Prolonged length of stay has been found to be related primarily to interval between primary surgery and stoma closure. Conclusions: In our study interval between primary surgery and stoma closure along with complication occurrence after primary procedure are risk factors for perioperative morbidity and prolonged length of stay (LOS) after ileostomy reversal. The effort should be made to minimize the interval to ileostomy reversal. However, randomized studies are necessary to avoid the bias which appears in this observational study and confirm our findings.
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Rubinkiewicz M, Zarzycki P, Witowski J, Pisarska M, Gajewska N, Torbicz G, Nowakowski M, Major P, Budzyński A, Pędziwiatr M. Functional outcomes after resections for low rectal tumors: comparison of Transanal with laparoscopic Total Mesorectal excision. BMC Surg 2019; 19:79. [PMID: 31277628 PMCID: PMC6612175 DOI: 10.1186/s12893-019-0550-4] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2018] [Accepted: 06/30/2019] [Indexed: 12/17/2022] Open
Abstract
Background Aim of this study was to evaluate functional outcomes of transanal total mesorectal excision (TaTME) in comparison to conventional laparoscopic approach (LaTME) in terms of low anterior resection syndrome (LARS). Methods Forty-six patients who underwent total mesorectal excision for low rectal cancer between 2013 and 2017 were enrolled. Primary outcome was the severity of faecal incontinence, assessed both before the treatment and 6 months after ileostomy reversal. LARS score and Jorge-Wexner scale were utilized to analyze its severity. Results Twenty (87%) from TaTME and 21 (91%) from LaTME group developed LARS postoperatively. There were no significant differences between groups in terms of LARS occurrence (p = 0.63) and severity. The median Wexner score was comparable in both groups (8 [IQR: 4–12] vs 7 [3–11], p = 0.83). Univariate analysis revealed that postoperative complications were a risk factor for LARS development (p = 0.02). Perioperative outcomes, including operative time, blood loss and intraoperative adverse events did not differ significantly between groups either. Five TaTME patients developed postoperative complications, while there were morbidity 6 cases in LaTME group. Quality of mesorectal excision was comparable with 20 and 19 complete cases in TaTME and LaTME groups, respectively. Conclusions TaTME provided comparable outcomes in terms of functional outcomes in comparison to LaTME for total mesorectal excision in low rectal cancers. Having said that, LARS prevalence is still high and requires further evaluation of the technique.
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Affiliation(s)
- Mateusz Rubinkiewicz
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland
| | - Piotr Zarzycki
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland
| | - Jan Witowski
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.,Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Magdalena Pisarska
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.,Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Natalia Gajewska
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland
| | - Grzegorz Torbicz
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland
| | - Michał Nowakowski
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland
| | - Piotr Major
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.,Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Andrzej Budzyński
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland.,Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Michał Pędziwiatr
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21, 31-501, Kraków, Poland. .,Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland.
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Rubinkiewicz M, Zarzycki P, Czerwińska A, Wysocki M, Gajewska N, Torbicz G, Budzyński A, Pędziwiatr M. A quest for sphincter-saving surgery in ultralow rectal tumours-a single-centre cohort study. World J Surg Oncol 2018; 16:218. [PMID: 30404633 PMCID: PMC6223085 DOI: 10.1186/s12957-018-1513-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Accepted: 10/17/2018] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Despite the progress in the treatment of colorectal cancer, there is still no optimal strategy for tumours located adjacent to the anal sphincter. This study aims to evaluate oncological and functional results of surgery for rectal cancer in unfavourable locations in proximity to anal sphincters. MATERIALS AND METHODS Patients with rectal cancer, which was either initially infiltrating the anal sphincter or located in the close proximity of the sphincter, were included in the study. Patients were submitted to extralevator abdominoperineal resection (APR), intersphincteric resection, or transanal total mesorectal excision (TaTME). Primary outcomes were perioperative data: operative time, blood loss, complications, length of stay (LOS), and 30-day mortality. Secondary outcomes were pathological quality of the specimens and functional outcome 6 months after defunctioning ileostomy closure. RESULTS Among patients with cancer adjacent to the anal sphincter, 13 (25%) underwent APR, 14 (27%) patients were submitted to intersphincteric resection, and 25 (48%) patients were treated with the TaTME approach. Operative time was 240 (210-270 IQR) for APR, 212.5 (170-260 IQR) for intersphincteric resection, and 270 (240-330 IQR) for TaTME (p = 0.018). Perioperative morbidity was 31% for APR, 36% for intersphincteric resections, and 12% for the TaTME group (p = 0.181). Complete mesorectal excision was achieved in 92% of specimens in the TaTME group, 93% in intersphincteric resections, and 78% in the APR group (p = 0.72). Median circumferential resection margin in APR was 6 mm (4-7 IQR), in intersphincteric resections 7.5 mm (2.5-10 IQR), and in the TaTME group 4 mm (2.8-8 IQR). All patients after intersphincteric resections developed major low anterior resection syndrome (LARS). Four patients in the TaTME group developed minor LARS, and 21 had major LARS. CONCLUSION Sphincter-saving rectal resections are a feasible alternative to APR with good clinical, pathological, and oncological outcomes. Intersphincteric resections and TaTME seem to be equal in terms of clinicopathological results. The functional outcome is yet to be investigated. TRIAL REGISTRATION The study was retrospectively registered in Thai Clinical Trials Registry (23-07-2018, ID TCTR20180724001 ).
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Affiliation(s)
- Mateusz Rubinkiewicz
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland
| | - Piotr Zarzycki
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland
| | - Agata Czerwińska
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland
| | - Michał Wysocki
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Natalia Gajewska
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland
| | - Grzegorz Torbicz
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland
| | - Andrzej Budzyński
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland
| | - Michał Pędziwiatr
- 2nd Department of General Surgery, Jagiellonian University Medical College, Kopernika 21 Street, 31-501, Kraków, Poland.
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Kraków, Poland.
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Nowakowski MM, Rubinkiewicz M, Gajewska N, Torbicz G, Wysocki M, Małczak P, Major P, Wierdak M, Budzyński A, Pędziwiatr M. Defunctioning ileostomy and mechanical bowel preparation may contribute to development of low anterior resection syndrome. Wideochir Inne Tech Maloinwazyjne 2018; 13:306-314. [PMID: 30302143 PMCID: PMC6174165 DOI: 10.5114/wiitm.2018.76913] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 06/13/2018] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION Laparoscopic surgery is an approved technique in colorectal cancer treatment. Functional and quality-of-life studies have revealed significant changes in faecal continence. AIM To assess the incidence and risk factors of low anterior resection syndrome (LARS) in patients undergoing rectal resections for cancer. MATERIAL AND METHODS We enrolled patients undergoing rectal resections in a general surgery department of a university hospital. The primary outcomes were the Jorge-Wexner scale and the LARS score 6 months after the end of treatment. The secondary outcomes were the risk factors for LARS development. RESULTS Fifty-six patients were included; 15 (26%) developed major LARS and 10 (18%) had minor LARS at 6 months. In univariate analysis the risk factors were: preoperative radiotherapy (p < 0.001, OR = 11.9, 95% CI: 2.98-47.48); shorter distance of the tumour from the anal verge (p = 0.001, OR = 0.69, 95% CI: 0.55-0.86); bowel preparation (p = 0.01, OR = 6.27, 95% CI: 1.51-26.07); low anterior rectal resection (p = 0.01, OR = 17.07, 95% CI: 1.86-156.83); and protective ileostomy (p = 0.001, OR = 15.97, 95% CI: 4.07-61.92). The risk factors for a higher Jorge-Wexner score in univariate analysis were greater diameter of tumour (p = 0.035), radiotherapy (p = 0.001), shorter distance from the anal verge (p = 0.002), bowel preparation (p = 0.042), low anterior rectal (LAR) (p = 0.01), ileostomy (p = 0.001), perioperative complications (p = 0.032), and readmission within 30 days (p = 0.034). In the multivariate analysis, readmissions and perioperative complications were significant. CONCLUSIONS In addition to typically described risk factors, two new ones have been identified. Mechanical bowel preparation and defunctioning ileostomy may also contribute to LARS development. However, due to the limitations of this study our observations require further confirmation in future trials.
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Affiliation(s)
- Michał M. Nowakowski
- Department of Medical Education, Jagiellonian University Medical College, Krakow, Poland
| | - Mateusz Rubinkiewicz
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - Natalia Gajewska
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - Grzegorz Torbicz
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
| | - Michał Wysocki
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Piotr Małczak
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Piotr Major
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Mateusz Wierdak
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Andrzej Budzyński
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
| | - Michał Pędziwiatr
- 2 Department of General Surgery, Jagiellonian University Medical College, Krakow, Poland
- Centre for Research, Training and Innovation in Surgery (CERTAIN Surgery), Krakow, Poland
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Multifractal characteristics of external anal sphincter based on sEMG signals. Med Eng Phys 2018; 55:9-15. [DOI: 10.1016/j.medengphy.2018.03.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 03/05/2018] [Accepted: 03/13/2018] [Indexed: 11/21/2022]
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Romaniszyn M, Rozwadowska N, Malcher A, Kolanowski T, Walega P, Kurpisz M. Implantation of autologous muscle-derived stem cells in treatment of fecal incontinence: results of an experimental pilot study. Tech Coloproctol 2015; 19:685-96. [PMID: 26266767 PMCID: PMC4631713 DOI: 10.1007/s10151-015-1351-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 06/18/2015] [Indexed: 12/13/2022]
Abstract
Background The aim of this study is to present results of the implantation of autologous myoblasts into the external anal sphincter (EAS) in ten patients with fecal incontinence. Methods After anatomical and functional assessment of the patients’ EAS, a vastus lateralis muscle open biopsy was performed. Stem cells were extracted from the biopsy specimens and cultured in vitro. Cell suspensions were then administered to the EAS. Patients were scheduled for follow-up visits in 6-week intervals. Total follow-up was 12 months. Results All biopsy and cell implantation procedures were performed without complications. Nine of the patients completed a full 12-month follow-up. There was subjective improvement in six patients (66.7 %). In manometric examinations 18 weeks after implantation, squeeze anal pressures and high-pressure zone length increased in all patients, with particularly significant sphincter function recovery in five patients (55.6 %). Electromyographic (EMG) examination showed an increase in signal amplitude in all patients, detecting elevated numbers of propagating action potentials. Twelve months after implantation two patients experienced deterioration of continence, which was also reflected in the deterioration of manometric and EMG parameters. The remaining four patients (44.4 %) still described their continence as better than before implantation and retained satisfactory functional examination parameters. Conclusions Implantation of autologous myoblasts gives good short-term results not only in a subjective assessment, but also in objective functional tests. It seems that this promising technology can improve the quality of life of patients with fecal incontinence, but further study is required to achieve better and more persistent results.
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Affiliation(s)
- M Romaniszyn
- 3rd Department of General Surgery, Jagiellonian University Medical College, ul. Pradnicka 35-37, 31-202, Kraków, Poland.
| | - N Rozwadowska
- Department of Reproductive Biology and Stem Cells, Institute of Human Genetics, Polish Academy of Science, Strzeszynska 32, 60-479, Poznan, Poland
| | - A Malcher
- Department of Reproductive Biology and Stem Cells, Institute of Human Genetics, Polish Academy of Science, Strzeszynska 32, 60-479, Poznan, Poland
| | - T Kolanowski
- Department of Reproductive Biology and Stem Cells, Institute of Human Genetics, Polish Academy of Science, Strzeszynska 32, 60-479, Poznan, Poland
| | - P Walega
- 3rd Department of General Surgery, Jagiellonian University Medical College, ul. Pradnicka 35-37, 31-202, Kraków, Poland
| | - M Kurpisz
- Department of Reproductive Biology and Stem Cells, Institute of Human Genetics, Polish Academy of Science, Strzeszynska 32, 60-479, Poznan, Poland.
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Burdan F, Sudol-Szopinska I, Staroslawska E, Kolodziejczak M, Klepacz R, Mocarska A, Caban M, Zelazowska-Cieslinska I, Szumilo J. Magnetic resonance imaging and endorectal ultrasound for diagnosis of rectal lesions. Eur J Med Res 2015; 20:4. [PMID: 25586770 PMCID: PMC4304171 DOI: 10.1186/s40001-014-0078-0] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 12/16/2014] [Indexed: 12/13/2022] Open
Abstract
Endorectal ultrasonography (ERUS) and magnetic resonance imaging (MRI) allow exploring the morphology of the rectum in detail. Use of such data, especially assessment of the rectal wall, is an important tool for ascertaining the perianal fistula localization as well as stage of the cancer and planning it appropriate treatment, as stage T3 tumors are usually treated with neoadjuvant therapy, whereas T2 tumors are initially managed surgically. The only advantage of ERUS over MRI is the possibility of assessing T1 tumors that could be treated by transanal endoscopic microsurgery. However, MRI is better for visualizing most radiological prognostic features in rectal or anal cancer such as a circumferential resection margin less than 1 mm, T stage at T1-T2 or T3 tumors with extramural extension less than 5 mm, absence of extramural vascular invasion, N stage at N0/N1, and tumors located in the middle or upper third of the rectum. It can also evaluate the intersphincteric space or levator ani muscle involvement. Increased signal on diffusion weighted imaging (DWI) and low apparent diffusion coefficient (ADC) values as well as an irregular contour and heterogeneous internal signal intensity seem to predict the involvement of pelvic lymphatic nodes better than their size alone. Computed tomography as well as other examination techniques, including digital rectal examination, contrast edema, recto- and colonoscopy, are less useful in staging of rectal cancer but still are very important screening tools.
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Affiliation(s)
- Franciszek Burdan
- St. John's Cancer Centre, 7 Jaczewskiego Str., 20-090, Lublin, Poland. .,Department of Human Anatomy, Medical University of Lublin, 4 Jaczewskiego Str., 20-090, Lublin, Poland.
| | - Iwona Sudol-Szopinska
- Department of Radiology, Institute of Rheumatology, 1 Spartanska Str., 02-637, Warsaw, Poland. .,Department of Diagnostic Imaging, Second Faculty of Medicine, Medical University of Warsaw, 8 Kondratowicza Str., 03-242, Warsaw, Poland.
| | | | | | - Robert Klepacz
- Department of Clinical Pathomorphology, Medical University of Lublin, 1 Ceramiczna Str., 20-059, Lublin, Poland.
| | | | - Marek Caban
- St. John's Cancer Centre, 7 Jaczewskiego Str., 20-090, Lublin, Poland.
| | | | - Justyna Szumilo
- Department of Clinical Pathomorphology, Medical University of Lublin, 1 Ceramiczna Str., 20-059, Lublin, Poland.
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