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Anal canal cancer

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https://www.readbyqxmd.com/read/29623585/the-effect-of-dose-escalation-for-large-squamous-cell-carcinomas-of-the-anal-canal
#1
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
#2
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
#3
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
#4
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
#5
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."
March 13, 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
#6
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
#7
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...
February 15, 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
#8
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
#9
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
https://www.readbyqxmd.com/read/29394843/-a-case-of-anal-canal-cancer-with-skin-invasion-to-which-abdominoperineal-resection-and-perineum-reconstruction-were-performed-after-neoadjuvant-chemoradiotherapy
#10
Ayumi Yamaguchi, Masakazu Miyake, Sumiko Yoshitatsu, Mamoru Uemura, Masataka Ikeda, Takeshi Kato, Takuya Hamakawa, Sakae Maeda, Naoki Hama, Kazuhiro Nishikawa, Atsushi Miyamoto, Michihiko Miyazaki, Motohiro Hirao, Shoji Nakamori, Mitsugu Sekimoto
A 74-year-old man visited our hospital with an awareness of anal mass and bleeding. He was diagnosed as adenocarcino- ma of anal canal with wide spreading skin invasion. After neoadjuvant chemoradiotherapy(radiationtotal 45 Gy/25 Fr; cape- citabine 825mg/m2)was performed to reduce the mass volume, laparoscopic abdominoperineal resection with large perineum skin resection and lateral lymph node dissection was carried out. The perineal defect was repaired with a rectus abdominis musculocutaneous flap. Six days after surgery, the rectus abdominis musculocutaneous flap necrotized, and second perineum reconstruction by the bilateral gracilis musculocutaneous flaps was performed after debridement of necrotic tissue...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394724/-a-case-report-of-anal-canal-squamous-cell-carcinoma-with-poor-prognosis-that-occurred-nine-years-after-subtotal-colectomy-for-ulcerative-colitis
#11
Toshihiro Tajirika, Nobuhisa Matsuhashi, Takao Takahashi, Kazuhiro Yoshida
Ulcerative colitis(UC)is a chronic inflammatorydisease. Since it is known to be a risk factor for colorectal cancer, severe cases, refractorycases, or cases with cancer are often treated with surgery. We report a case of anal canal squamous cell carcinoma(SCC)found 9 years after subtotal colectomy for UC. A 32-year-old man underwent subtotal colectomyand ileorectum anastomosis 9 years ago for fulminant UC. Anemia was detected during treatment with infliximab, which was initiated 2 years ago. Endoscopic findings revealed a type 3 tumor at the anal canal in the anastomotic region, and he presented to our department...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394635/-abdominoperineal-resection-for-anal-metastasis-of-rectal-cancer
#12
Keishi Hakoda, Masanori Yoshimitsu, Manabu Emi, Yuya Hirai, Atsushi Kamigaichi, Manato Osawa, Norimasa Kuraoka, Toshiaki Komo, Norifumi Tsubokawa, Ichiko Yamakita, Masashi Miguchi, Yoshiro Aoki, Akira Nakashima, Mikihiro Kano, Koichi Oishi, Toshihiko Kohashi, Mayumi Kaneko, Mahito Funakoshi, Jun Hihara, Hidenori Mukaida, Naoki Hirabayashi
Anal metastasis of colorectal cancer is rare, and no standardized effective therapeutic strategy exists. We report a case of abdominoperineal resection for anal metastasis of rectal cancer. A 65-year-old man underwent laparoscopic low anterior resection for rectal cancer in August 2013. Histopathological examination revealed a moderately differentiated adenocarcinoma( tub2, pSS, ly3, v2, pN1, H0, P0, M0, Stage III a, Cur A). In February 2015, he complained of anal discomfort, and tumor markers were elevated...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29394624/-a-case-report-of-adenocarcinoma-with-pagetoid-growth-secondary-paget-s-disease-of-the-anal-canal
#13
Wataru Okajima, Yoshiaki Kuriu, Tomohiro Arita, Yasutoshi Murayama, Masayoshi Nakanishi, Tokunari Okayama, Toshiyuki Kosuga, Hirotaka Konishi, Ryo Morimura, Atsushi Shiozaki, Hisashi Ikoma, Takeshi Kubota, Hitoshi Fujiwara, Kazuma Okamoto, Eigo Otsuji
Differentiating primary Paget's disease from secondary Paget's disease, which is also known as Pagetoid growth of other cancers, in the perianal region is difficult. Given that the treatment strategies of both disease are significantly different, diagnosis of such conditions should be performed with caution. We report a case of secondary Paget's disease. A 76-year-old man previously visited a hospital because of erythematous plaque around the anus. It was diagnosed as extramammary Paget's disease based on skin biopsy results; consequently, perianal skin resection was performed...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29393674/target-volume-motion-during-anal-cancer-image-guided-radiotherapy-using-cone-beam-computed-tomography
#14
Corrinne J Brooks, Laurence Bernier, Vibeke N Hansen, Diana M Tait
OBJECTIVE: Literature regarding image-guidance and interfractional motion of the anal canal (AC) during anal cancer radiotherapy is sparse. This study investigates interfractional AC motion during anal cancer radiotherapy. METHODS: Bone matched cone-beam computed tomography (CBCT) images were acquired for 20 patients receiving anal cancer radiotherapy allowing population systematic and random error calculations. 12 were selected to investigate interfractional AC motion...
February 2, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29362310/-a-case-of-anal-canal-squamous-cell-carcinoma-detected-with-anal-stenosis-eight-years-following-resection-for-rectal-adenocarcinoma
#15
Takashi Fukao, Tomoko Matsumoto, Shiho Kuriyama, Tomohiro Toji, Yutaka Hirano, Yasuyuki Ohtawa, Toshihiko Waku, Kazuhiro Washio
An 89-year-old woman underwent low anterior resection for rectal adenocarcinoma(Ra, pT3N0M0, pStage II , Cur A)in 2008. In February 2016, she underwent an outpatient examination because of a defecation disturbance. Lower gastrointestinal endoscopy was performed and the stenotic region was biopsied. However, no malignancy was detected and the stenotic site expanded. However, the patient experienced recurrence of the same symptoms, developed severe anal stenosis, and underwent another examination in December 2016...
January 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/29340993/laparoscopic-assisted-modified-intersphincter-resection-for-ultralow-rectal-cancer
#16
Haiyang Zhou, Canping Ruan, Zhiguo Wang, Zhiqian Hu
BACKGROUND: Intersphincter resection (ISR) is considered to be a superior technique offering sphincter preservation in patients with ultralow rectal cancer.1 Because high-definition laparoscopy offers wider and clearer vision into the narrow pelvic cavity and intersphincteric space, ISR has been further refined.2 However, functional outcome after ISR has not been optimal. More than half of patients receiving ISR suffer partial or even complete anal incontinence.3 We therefore propose a laparoscopic-assisted modified ISR, with the aim of improving sphincter function following ISR...
April 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29315288/the-promise-of-immunotherapy-in-anal-squamous-cell-carcinoma-a-novel-approach-for-an-orphan-disease
#17
Benny Johnson, Cathy Eng
An estimated 8200 men and women in the United States will receive a diagnosis of squamous cell carcinoma of the anal canal (SCCA) in 2017. Although SCCA is rare, accounting for 2.6% of gastrointestinal cancers, its incidence rate has been steadily increasing over the last few decades in the United States and around the world. More than 90% of cases of SCCA occur in the context of prior human papillomavirus (HPV) infection. To date, preventive vaccinations against HPV remain markedly underutilized. Most patients who have SCCA present with locoregional disease that is cured with chemoradiation...
December 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/29299375/radiation-generates-an-abscopal-response-and-complete-resolution-of-metastatic-squamous-cell-carcinoma-of-the-anal-canal-a-case-report
#18
Moss Bruton Joe, Julian J Lum, Peter H Watson, R Petter Tonseth, John Paul McGhie, Pauline T Truong
The abscopal effect is a rare phenomenon in the setting of radiation therapy (RT) for metastatic cancer where tumor regression occurs distant from the site of treatment. A proposed mechanism of the abscopal effect is the activation of a systemic antitumor immune response by localized RT. We report the first case, to our knowledge, of the abscopal effect in squamous carcinoma of the anal canal with metastases to pelvic lymph nodes, liver and bone. After palliative RT to the pelvis with sensitizing chemotherapy, complete response was observed not only in the primary tumor but also in bone and multiple liver metastases at 4 months after treatment, an effect that remained durable at 4-year follow-up...
December 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29224507/three-anastomotic-techniques-following-laparoscopic-rectal-cancer-resection-our-experience-in-155-patients
#19
Mahtab Zanguie, Abbas Abdollahi, Roham Salek, Ali Jangjoo, Mehdi Jabbari Nooghabi, Hosein Shabahang, Hamed Golmohammadzadeh
PURPOSE: This study aimed to assess the impact of 3 anastomotic techniques after laparoscopic rectal cancer resection. METHODS: In a cross-sectional study, the data of 155 patients who underwent surgery for rectal cancer were retrieved. An anastomosis was created between the left colon and anal canal with 3 different methods: coloanal anastomosis with protective ileostomy (group A), coloanal anastomosis without ostomy (group B), and delayed coloanal anastomosis (group C)...
February 2018: Surgical Innovation
https://www.readbyqxmd.com/read/29208455/high-prevalence-and-incidence-of-hpv-related-anal-cancer-precursor-lesions-in-hiv-positive-women-in-the-late-haart-era
#20
Carmen Hidalgo-Tenorio, Samantha E de Jesus, Javier Esquivias, Juan Pasquau
INTRODUCTION: Anal cancer is one of the most common non-AIDS defining malignancies, especially in men who have sex with men and women living with HIV (WLHIV). OBJECTIVES: To evaluate the prevalence and incidence of precursor lesions (high-grade squamous intraepithelial lesions [HSIL]) and anal cancer in our cohort of women and to compare them to cervical lesions; to calculate the percentage of patients that acquire and clear oncogenic genotypes (HR-HPV) in the anal canal; and to determine predictive factors for anal HPV infection...
December 2, 2017: Enfermedades Infecciosas y Microbiología Clínica
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