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Anal canal cancer

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https://www.readbyqxmd.com/read/29907489/extended-field-chemoradiation-therapy-for-definitive-treatment-of-anal-canal-squamous-cell-carcinoma-involving-the-para-aortic-lymph-nodes
#1
Emma B Holliday, Scott C Lester, W Scott Harmsen, Cathy Eng, Michael G Haddock, Sunil Krishnan, Prajnan Das, Christopher L Hallemeier
PURPOSE: To report cancer control rates and adverse events (AEs) of curative-intent, extended-field chemoradiation therapy administered to patients with squamous cell carcinoma (SCC) of the anal canal presenting with distant metastasis limited to the para-aortic (PA) lymph nodes. METHODS: This was a retrospective review of patients with SCC of the anal canal metastatic to the PA lymph nodes at initial diagnosis who were treated with curative-intent, extended-field chemoradiation therapy between September 2002 and February 2016 at two tertiary care centers...
May 5, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29891206/association-of-interim-fdg-pet-imaging-during-chemoradiation-for-squamous-anal-canal-carcinoma-with-recurrence
#2
Julian C Hong, Yunfeng Cui, Bhavik N Patel, Christel N Rushing, Austin M Faught, Jared S Eng, Kyle Higgins, Fang-Fang Yin, Shiva Das, Brian G Czito, Christopher G Willett, Manisha Palta
PURPOSE: Imaging parameters from 18F-fluorodeoxyglucose positron emission tomography (18F-FDG PET) before and after chemoradiation therapy (CRT) for anal canal cancer correlate with clinical outcomes. This prospective, hypothesis-generating pilot study investigates the relationship between interim PET imaging during CRT for anal canal cancer and clinical outcome. METHODS AND MATERIALS: From June 2012 to August 2015, 30 patients with anal canal cancer were enrolled in a prospective clinical study of PET prior to and during CRT after ∼30 Gy...
May 4, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29869844/transanal-minimally-invasive-surgery-for-local-excision-of-early-rectal-tumor
#3
Mami Yoshitomi, Suguru Hasegawa, Ryo Takahashi, Koya Hida, Kenji Kawada, Yoshiharu Sakai
INTRODUCTION: Local excision (LE) is used in early rectal cancer and other pathologies for diagnostic purposes and curative treatment, as well as for palliative surgery in patients who are medically unfit for radical resection. Recently, transanal minimally invasive surgery (TAMIS) has been increasingly accepted as a means for performing LE. Here, we present a TAMIS technique for LE to which endoscopic submucosal dissection was applied. MATERIALS AND SURGICAL TECHNIQUE: We used conventional laparoscopic instruments, including a 10-mm 30° camera...
May 2018: Asian Journal of Endoscopic Surgery
https://www.readbyqxmd.com/read/29805357/giant-symptomatic-rectal-mucocele-following-subtotal-colectomy
#4
Romano Schneider, Marko Kraljević, Markus von Flüe, Ida Füglistaler
Introduction: Rectal mucoceles rarely occur and only a few cases are described in the literature. They usually appear after subtotal colectomy or Hartmann procedure originating from persisting rectal mucus production and simultaneous stenosis of the anal canal. Case Presentation: A 74-year-old female patient presented with the feeling of an abdominal growing mass. Complex medical history included a subtotal colectomy with an end ileostomy and a mucous fistula at the descending colon due to Crohn disease at the age of 16 years...
January 2018: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29797501/peri-anal-surface-dose-in-anal-canal-vmat-radiotherapy
#5
Kurian Joseph, Brenda Rose, Heather Warkentin, Jihyun Yun, Sunita Ghosh, Keith Tankel
INTRODUCTION: Skin bolus may routinely be used in the perineum to build up the surface dose in the treatment of anal cancer (ACC); this may contribute to significant acute skin toxicity. Skin bolus may not be needed with the introduction of modern radiotherapy techniques if these planning techniques would achieve adequate surface dose. Our study is to ascertain if appropriate skin dose can be achieved without the use of bolus when VMAT is used in the treatment of ACC. METHODS: The study includes 10 ACC patients treated with VMAT radiotherapy...
May 23, 2018: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/29755775/rectal-and-anal-canal-neuroendocrine-tumours
#6
Teresa Raposo André, Margarida Brito, João Geraldes Freire, António Moreira
Neuroendocrine tumors (NETs) are rare, representing 0.5% of all newly diagnosed malignancies. Rectal and anal canal (AC) NETs account for less than 1% of all rectal and AC cancers. Review our institutional experience on NET of the rectum and AC, with emphasis on demographic, histological and treatment features and oncologic outcomes. The study group was identified from the Portuguese Regional South Oncological Registry. From 2000 to 2014, 22 patients with rectal or AC NETs were treated at our institution. Medical records were retrospectively reviewed...
April 2018: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29750133/use-of-indirect-target-gating-in-magnetic-resonance-guided-liver-stereotactic-body-radiotherapy-case-report-of-an-oligometastatic-patient
#7
Luca Boldrini, Francesco Cellini, Stefania Manfrida, Giuditta Chiloiro, Stefania Teodoli, Davide Cusumano, Bruno Fionda, Gian Carlo Mattiucci, Anna Maria De Gaetano, Luigi Azario, Vincenzo Valentini
The case of a 73-year-old woman affected by anal canal cancer with concomitant liver metastases is presented here. The patient was addressed to stereotactic body radiotherapy (SBRT) on two hepatic secondary lesions after the first radiochemotherapy treatment of the primary tumor. A Tri-60-Co magnetic resonance hybrid radiotherapy unit was used for SBRT treatment delivery. Both liver lesions were not clearly visible on the setup magnetic resonance imaging (MRI) due to their limited dimensions (maximum diameter 13 mm); however, the presence of two cysts adjacent to the metastases allowed the use of an indirect target gating approach...
March 9, 2018: Curēus
https://www.readbyqxmd.com/read/29720242/anorectal-metastasis-from-breast-carcinoma-a-case-report-and-review-of-the-literature
#8
Hannes Ruymbeke, Luc Harlet, Barbara Stragier, Edwin Steenkiste, Merijn Ryckx, Francois Marolleau
BACKGROUND: Gastrointestinal metastasis from primary breast carcinoma is uncommon, anorectal involvement is extremely rare. CASE PRESENTATION: We present the case of a 65-year old woman who underwent treatment for an infiltrative lobular carcinoma of the left breast with bone metastases and who developed metastasis of the rectum and anal canal 4 years later. CONCLUSIONS: A patient with a history of breast cancer, especially lobular carcinoma, presenting with anorectal symptoms, should raise the suspicion of metastatic disease...
May 2, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29720197/the-prognostic-role-of-hemoglobin-levels-in-patients-undergoing-concurrent-chemo-radiation-for-anal-cancer
#9
Pierfrancesco Franco, Francesco Montagnani, Francesca Arcadipane, Chiara Casadei, Kalliopi Andrikou, Stefania Martini, Giuseppe Carlo Iorio, Mario Scartozzi, Massimiliano Mistrangelo, Lorenzo Fornaro, Paola Cassoni, Stefano Cascinu, Umberto Ricardi, Andrea Casadei Gardini
BACKGROUND: Concurrent chemo-radiation (CT-RT) is a standard therapy for squamous cell carcinoma of anal canal. Different clinical and biological factors may potentially affect outcome. We investigated the prognostic role of baseline hemoglobin (Hb) in a cohort of anal cancer patients submitted to CT-RT with 5-fluorouracil and mitomycin C. METHODS: Up to 161 patients with clinical stage T1-T4/N0-N3/M0 were treated. Response was assessed at 6 weeks and thereafter at 3, 6 and 12 months...
May 2, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29706461/abnormal-neuronal-response-to-rectal-and-anal-stimuli-in-patients-treated-with-primary-radiotherapy-for-anal-cancer
#10
Susanne Haas, Pia Faaborg, Mikkel Gram, Lilli Lundby, Christina Brock, Anbjørn M Drewes, Søren Laurberg, Klaus Krogh, Peter Christensen
INTRODUCTION: Sphincter-sparing radiotherapy or chemoradiation (RT/CRT) have become the standard treatments for most patients with anal cancer. Unfortunately, long-term survivors often suffer from severe bowel symptoms indicating sensory dysfunction. The aim of the present study was to characterize the sensory pathways of the brain-gut axis after radiotherapy for anal cancer. METHOD: Cortical evoked potentials (CEPs) were recorded during repeated, rapid balloon distensions of the rectum and anal canal in 13 patients with anal cancer treated with radiotherapy or chemoradiation and in 17 healthy volunteers...
April 26, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29700411/a-dualistic-model-of-primary-anal-canal-adenocarcinoma-with-distinct-cellular-origins-etiologies-inflammatory-microenvironments-and-mutational-signatures-implications-for-personalised-medicine
#11
Michael Herfs, Patrick Roncarati, Benjamin Koopmansch, Olivier Peulen, Diane Bruyere, Alizee Lebeau, Elodie Hendrick, Pascale Hubert, Aurelie Poncin, William Penny, Nathalie Piazzon, Franck Monnien, David Guenat, Christiane Mougin, Jean-Luc Prétet, Lucine Vuitton, Karin Segers, Frederic Lambert, Vincent Bours, Laurence de Leval, Severine Valmary-Degano, Charles M Quick, Christopher P Crum, Philippe Delvenne
BACKGROUND: Primary adenocarcinoma of the anal canal is a rare and aggressive gastrointestinal disease with unclear pathogenesis. Because of its rarity, no clear clinical practice guideline has been defined and a targeted therapeutic armamentarium has yet to be developed. The present article aimed at addressing this information gap by in-depth characterising the anal glandular neoplasms at the histologic, immunologic, genomic and epidemiologic levels. METHODS: In this multi-institutional study, we first examined the histological features displayed by each collected tumour (n = 74) and analysed their etiological relationship with human papillomavirus (HPV) infection...
April 27, 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29623585/the-effect-of-dose-escalation-for-large-squamous-cell-carcinomas-of-the-anal-canal
#12
R N Prasad, J Elson, J Kharofa
PURPOSE: Chemoradiation allows for organ preservation in patients with anal cancer, but patients with large tumors (> 5 cm) have elevated rates of locoregional recurrence. With conformal radiation techniques, there is interest in dose escalation to decrease local recurrence in patients with large tumor size. METHODS/PATIENTS: The National Cancer Database (NCDB) was used to identify patients with anal cancer from 2004 to 2013 with tumors > 5 cm. Adult patients who received definitive chemoradiation were included...
April 5, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29594584/genital-marginal-failures-after-intensity-modulated-radiation-therapy-imrt-in-squamous-cell-anal-cancer-no-higher-risk-with-imrt-when-compared-to-3dcrt
#13
V Dell'Acqua, J Kobiela, F Kraja, M C Leonardi, A Surgo, M A Zerella, S Arculeo, C Fodor, R Ricotti, M G Zampino, S Ravenda, G Spinoglio, R Biffi, A Bazani, R Luraschi, S Vigorito, P Spychalski, R Orecchia, R Glynne-Jones, B A Jereczek-Fossa
Intensity-modulated radiotherapy (IMRT) is considered the preferred option in squamous cell canal cancer (SCAC), delivering high doses to tumor volumes while minimizing dose to surrounding normal tissues. IMRT has steep dose gradients, but the technique is more demanding as deep understanding of target structures is required. To evaluate genital marginal failure in a cohort of patients with non-metastatic SCAC treated either with IMRT or 3DCRT and concurrent chemotherapy, 117 patients with SCAC were evaluated: 64 and 53 patients were treated with IMRT and 3DCRT techniques, respectively...
March 28, 2018: Medical Oncology
https://www.readbyqxmd.com/read/29577210/-transanal-conformal-resection-for-super-low-rectal-cancer
#14
Zheng Lou, Wei Zhang
Intersphincteric resection(ISR) is a valuable anus-preserving operation that avoids the need for permanent stoma in patients with super low rectal cancer. Recently, with the application and promotion of ISR, the rate of anus-preservation has been greatly elevated, however, some patients following ISR had poor anal function. Based on the knowledge of anal canal anatomical features for better anal function, we propose conformal sphincter-preserving operation (CSPO) for super low rectal cancer, which is a new integrated anus-preservation procedure with total mesorectal excision (TME), coloanal anastomosis, pull through resection, anal canal dissection, local resection and natural orifice transluminal endoscopic surgery technology...
March 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29566903/the-gastrointestinal-microbiota-and-its-role-in-oncogenesis
#15
REVIEW
S Y Lam, J Yu, S H Wong, M P Peppelenbosch, G M Fuhler
Advances in research techniques have made it possible to map the microbial communities in the gastrointestinal (GI) tract, where the majority of bacteria in the human body reside. Disturbances in these communities are referred to as dysbiosis and have been associated with GI cancers. Although dysbiosis is observed in several GI malignancies, the specific role of these changes has not been understood to the extent of Helicobacter pylori (HP) in gastric cancer (GC). This review will address the bacterial communities along the GI tract, from the oral cavity to the anal canal, particularly focusing on bacterial dysbiosis and carcinogenesis...
December 2017: Best Practice & Research. Clinical Gastroenterology
https://www.readbyqxmd.com/read/29532211/correction-to-anal-canal-squamous-cell-cancer-are-surgical-alternatives-to-chemoradiation-just-as-effective
#16
Kunal Suradkar, Emmanouil P Pappou, Steven A Lee-Kong, Daniel L Feingold, Ravi P Kiran
One of the author's middle name of this article was incorrectly published as "Emmanouil E. Pappou." This is now presented correctly in this article as "Emmanouil P. Pappou."
May 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29519410/cone-beam-ct-based-inter-fraction-localization-errors-for-tumors-in-the-pelvic-region
#17
Cristina Garibaldi, Cristiana Fodor, Giulia Riva, Damaris Patricia Rojas, Samantha Dicuonzo, Elisa Pace, Giuseppe Fanetti, Paolo De Marco, Veronica Dell'acqua, Giulia Marvaso, Maria Cristina Leonardi, Roberta Lazzari, Federica Cattani, Marta Cremonesi, Roberto Orecchia, Barbara Alicja Jereczek-Fossa
PURPOSE: To evaluate inter-fraction tumor localization errors (TE) in the RapidArc® treatment of pelvic cancers based on CBCT. Appropriate CTV-to PTV margins in a non-IGRT scenario have been proposed. METHODS: Data of 928 patients with prostate, gynecological, and rectum/anal canal cancers were retrospectively analyzed to determine systematic and random localization errors. Two protocols were used: daily online IGRT (d-IGRT) and weekly IGRT. The latter consisted in acquiring a CBCT for the first 3 fractions and subsequently once a week...
February 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29447025/anal-sphincter-dysfunction-in-patients-treated-with-primary-radiotherapy-for-anal-cancer-a-study-with-the-functional-lumen-imaging-probe
#18
Susanne Haas, Pia Faaborg, Donghua Liao, Søren Laurberg, Hans Gregersen, Lilly Lundby, Peter Christensen, Klaus Krogh
BACKGROUND: Sphincter-sparing radiotherapy or chemoradiation are standard treatments for patients with anal cancer. The ultimate treatment goal is full recovery from anal cancer with preserved anorectal function. Unfortunately, long-term survivors often suffer from severe anorectal symptoms. The aim of the present study was to characterize changes in anorectal physiology after radiotherapy for anal cancer. METHOD: We included 13 patients (10 women, age 63.4 ± 1...
April 2018: Acta Oncologica
https://www.readbyqxmd.com/read/29441419/modern-intensity-modulated-radiotherapy-with-image-guidance-allows-low-toxicity-rates-and-good-local-control-in-chemoradiotherapy-for-anal-cancer-patients
#19
Berardino De Bari, Laëtitia Lestrade, Alessandra Franzetti-Pellanda, Raphael Jumeau, Maira Biggiogero, Melpomeni Kountouri, Oscar Matzinger, Raymond Miralbell, Jean Bourhis, Mahmut Ozsahin, Thomas Zilli
PURPOSE: To report outcomes of a population of anal cancer patients treated with modern intensity-modulated radiotherapy and daily image-guided radiotherapy techniques. METHODS: We analyzed data of 155 patients consecutively treated with intensity-modulated radiotherapy +/- chemotherapy in three radiotherapy departments. One hundred twenty-two patients presented a stage II-IIIA disease. Chemotherapy was administered in 138 patients, mainly using mitomycin C and 5-fluorouracil (n = 81)...
April 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29394850/-multidisciplinary-treatment-for-squamous-cell-carcinoma-of-the-anal-canal
#20
Hideaki Karasawa, Shinobu Ohnuma, Kazuhiro Watanabe, Takahiro Tsuchiya, Hirofumi Imoto, Takeshi Aoki, Katsuyoshi Kudoh, Naoki Tanaka, Munenori Nagao, Tomoya Abe, Hiroaki Musha, Fuyuhiko Motoi, Takashi Kamei, Takeshi Naitoh, Michiaki Unno
Chemoradiotherapy(CRT)has been recognized as a standard treatment for locoregional squamous cell carcinoma of the anal canal in Western countries. However, surgery had historically been considered as a standard treatment and there are only a few reports on CRT for anal canal cancer in Japan. In this study, we analyzed medical records of 5 anal canal cancer patients treated with CRT in our hospital between 2005 and 2015. Patients' characteristics were as follows: median age, 70 years (range 42-80 years); male/female, 1/4; and clinical Stage I / III a/ III b, 3/1/1...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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