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https://www.readbyqxmd.com/read/28325052/-colorectal-cancer-the-importance-of-primary-tumor-location
#1
M Ryska, J Bauer
Retrospective evaluations of the relevance of primary colorectal cancer (CRC) location consistently indicate that right-sided tumors, arising in the cecum, ascending colon, hepatic bend, transverse colon and splenic flexure, are clinically, biologically and genetically different from left-sided tumors - those located in the descending colon, sigmoid colon or rectum. Location in the right-sided colon represents a negative prognostic indicator, particularly for stage III and IV carcinomas. Irrespective of treatment, the rightward location is associated with a significantly increased risk of death when compared to the left side...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28316851/pure-primary-ovarian-squamous-cell-carcinoma-perforating-the-rectum
#2
Kazuya Mimura, Aiko Okada, Naotsugu Haraguchi, Kenjiro Sawada, Takuji Tomimatsu, Tadashi Kimura
Rectal perforation is uncommon in ovarian cancer, even in advanced stages. Pure primary ovarian squamous cell carcinoma is a very rare subtype of ovarian cancer and has not been reported to cause rectal perforation. A 50-year-old woman presented with rectal bleeding. Rectosigmoidoscopy suggested perforation of a pelvic tumor into the rectum. Abdominopelvic magnetic resonance imaging revealed a 9 cm heterogeneous mass in the pouch of Douglas. We performed complete cytoreduction, including an en-bloc resection of the tumor and rectosigmoid colon...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28301974/folfox-and-intensified-split-course-chemoradiation-as-initial-treatment-for-rectal-cancer-with-synchronous-metastases
#3
T Bird, M Michael, M Bressel, J Chu, S Chander, P Cooray, J McKendrick, M Jefford, A Heriot, M Steel, T Leong, S Ngan
BACKGROUND: Optimal initial management of rectal carcinoma with synchronous metastases (RCSM) is controversial - both for patients being treated with curative and palliative intent. This study aims to evaluate the use of an upfront treatment strategy combining FOLFOX chemotherapy with split-course pelvic chemoradiation (FOLFOX + CRT) for patients with RCSM. MATERIAL AND METHODS: An analysis of all patients who commenced treatment with FOLFOX + CRT at our institutions between January 2009 and June 2014 was performed...
March 16, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28299284/integral-dose-based-inverse-optimization-may-reduce-side-effects-in-radiotherapy-of-prostate-carcinoma
#4
Ivaylo B Mihaylov
PURPOSE: The purpose of this work is to apply a novel inverse optimization approach, based on utilization of quantitative imaging information in the optimization function, to prostate carcinoma. MATERIALS AND METHODS: This new inverse optimization algorithm relies upon quantitative information derived from computed tomography (CT) imaging studies. The Hounsfield numbers of the CT voxels are converted to physical density, which in turn is used to calculate voxel mass and the corresponding integral dose, by summation over the product of dose and mass in each dose voxel...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28293088/do-pathological-variables-have-prognostic-significance-in-rectal-adenocarcinoma-treated-with-neoadjuvant-chemoradiotherapy-and-surgery
#5
Luca Reggiani Bonetti, Simona Lionti, Federica Domati, Valeria Barresi
AIM: To clarify which factors may influence pathological tumor response and affect clinical outcomes in patients with locally advanced rectal carcinoma treated with neo-adjuvant chemoradiotherapy and surgery. METHODS: Tumor regression grade (TRG) according to the Dworak system and yTNM stage were assessed and correlated with pre-treatment clinico-pathological variables in 215 clinically locally advanced (cTNM stage II and III) rectal carcinomas. Prognostic value of all pathological and clinical factors on disease free survival (DFS) and cancer specific survival (CSS) was analyzed by Kaplan Meier and Cox-regression analyses...
February 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28289662/mucosa-associated-lymphoid-tissue-lymphoma-of-the-cecum-and-rectum-a-case-report
#6
Myung Jin Nam, Byung Chang Kim, Sung Chan Park, Chang Won Hong, Kyung Su Han, Dae Kyung Sohn, Weon Seo Park, Hee Jin Chang, Jae Hwan Oh
A colonic mucosa-associated lymphoid-tissue (MALT) lymphoma is relatively rare compared to lymphomas of the stomach or small intestine. We present a case of a MALT lymphoma in the cecum and rectum found during screening colonoscopy. A 54-year-old female, who had undergone right-breast-conserving surgery with axillary dissection due to an invasive ductal carcinoma and a left-breast excisional biopsy due to microcalcification following adjuvant chemoradiation therapy 3 years earlier, was found to have 3-mm-sized smooth elevated lesions in both the cecum and rectum...
February 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28285963/clear-cell-colorectal-carcinoma-time-to-clarify-diagnosis
#7
Andrea Remo, Federica Grillo, Luca Mastracci, Matteo Fassan, Sokol Sina, Caterina Zanella, Pietro Parcesepe, Emanuele Damiano Urso, Massimo Pancione, Germana Bortuzzo, Aldo Scarpa, Erminia Manfrin
Primary clear cell colorectal carcinoma (CCC) is a very rare entity accounting for only 35 cases reported in the Literature. CCC is neither classified as a distinct entity nor is it defined as a CRC variant because its ontogeny remains unclear. Most of the reported CCC were found in the distal colon in patients with a mean age of 56 years. Histologically, clear cell change is the main morphologic feature and may present in a "pure" form, composed exclusively of clear cells, or in a "composite" form, admixed with other morphologically different components...
February 24, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28283864/lower-gastrointestinal-neuroendocrine-neoplasms-associated-with-hereditary-cancer-syndromes-a-case-series
#8
Trilokesh D Kidambi, Christina Pedley, Amie Blanco, Emily K Bergsland, Jonathan P Terdiman
Lower gastrointestinal (GI) neuroendocrine neoplasms (NENs) of the colon and rectum are uncommon and not traditionally associated with hereditary GI cancer syndromes. However, with widespread implementation of colorectal cancer screening programs, lower GI NENs are being identified with increasing frequency. We report the first case series of six patients with lower GI NENs who were diagnosed with hereditary GI cancer syndromes by germline testing. Two patients presented with poorly differentiated rectal neuroendocrine carcinoma (NECs) with colonic polyposis and were found to have Familial Adenomatous Polyposis and MYH-Associated Polyposis, respectively...
March 10, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28280618/clinicopathologic-study-of-neuroendocrine-tumors-of-gastroenteropancreatic-tract-a-single-institutional-experience
#9
Megha S Uppin, Shantveer G Uppin, Chittiboyina Shiva Prasada Venkata Sunil, Monalisa Hui, Tara Roshni Paul, Nagari Bheerappa
BACKGROUND: The gastroenteropancreatic neuroendocrine tumors (GEPNET) have a characteristic histologic appearance unrelated of the exact site of origin. However the behavior of these tumors are different in each of these sites. In this article we study the clinicopathological features of GEPNET. These tumors were classified and graded according to WHO 2010 criteria. The immunohistochemical (IHC) features were evaluated and the grade of the tumor was correlated with Ki67. METHODS: A total of 40 cases of GEPNET diagnosed on biopsies as well as resected specimens were analyzed from January 2012 to June 2015...
February 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28271342/a-comparison-of-the-localization-of-rectal-carcinomas-according-to-the-general-rules-of-the-japanese-classification-of-colorectal-carcinoma-jccrc-and-western-guidelines
#10
Akira Tanaka, Sotaro Sadahiro, Toshiyuki Suzuki, Kazutake Okada, Gota Saito
PURPOSE: The aim of this study was to compare the localization of rectal cancers as classified according to the general rules of the Japanese classification of colorectal carcinoma (JCCRC) and also according to the European Society for Medical Oncology (ESMO) and the National Comprehensive Cancer Network (NCCN) guidelines, which are based on rigid endoscopic measurements. METHODS: The medical records of patients scheduled to receive curative surgery for histologically proven rectal adenocarcinoma during 2009-2015 were investigated (n = 230)...
March 7, 2017: Surgery Today
https://www.readbyqxmd.com/read/28270879/anal-neuroendocrine-tumor-masquerading-as-external-hemorrhoids-a-case-report
#11
Muhammad Khan, Ahmed Dirweesh, Chikezie Alvarez, Herbert Conaway, Robert Moser
Neuroendocrine tumors in gastrointestinal (GI) tract are a rare source of GI malignancy with an estimated incidence of 2.5 - 5 per 100,000 people per year and the prevalence of 35 per 100,000. In the GI tract, they are located in decreasing order of frequency in appendix, ileum, rectum, stomach, and colon. Those found in the anal region represent just 1% of all malignancies of the anal canal. Their clinical presentation can be widely varying, sometimes being found incidentally with metastatic disease and an unknown primary source...
February 2017: Gastroenterology Research
https://www.readbyqxmd.com/read/28251101/comparative-analysis-of-colorectal-carcinoma-staging-using-operative-histopathology-and-computed-tomography-findings
#12
Subhash Chander Singla, Dhawal Kaushal, Harinder Singh Sagoo, Nalini Calton
BACKGROUND: The staging of colorectal carcinoma using 3 modalities viz operative, histopathology and CT scan has been subject of interest in accurately defining the extent of disease. This retrospective as well as prospective study was carried out at CMC, Ludhiana, Punjab from November 2011 to May 2014. AIM: The objective of this study was to assess the usefulness and accuracy of CT scan findings to state the extent and spread of colorectal malignancy and to correlate these findings with histopathological diagnosis...
January 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28240659/nasal-tip-metastasis-on-18-f-fdg-pet-ct-scan-in-a-patient-with-squamous-lung-carcinoma
#13
Zhanli Fu, Meng Liu, Jin Zhang, Ziao Li, Qian Li
A 64-year-old man found a painless soft tissue mass on his nasal tip 3 months ago. The biopsy pathology indicated a metastatic squamous carcinoma. An F-FDG PET/CT scan was performed to detect the primary malignancy, and it demonstrated multiple F-FDG-avid lesions involving the nasal tip, bilateral lungs, right hilum and mediastinum, and rectum. The nasal-tip mass with high radioactivity was diagnosed as the metastasis from squamous lung carcinoma, which was confirmed by the biopsy of a lung lesion.
February 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28194526/long-term-outcomes-after-treatment-for-t1-colorectal-carcinoma-a-multicenter-retrospective-cohort-study-of-hiroshima-gi-endoscopy-research-group
#14
Yuzuru Tamaru, Shiro Oka, Shinji Tanaka, Shinji Nagata, Yuko Hiraga, Toshio Kuwai, Akira Furudoi, Tadamasa Tamura, Masaki Kunihiro, Hideharu Okanobu, Koichi Nakadoi, Hiroyuki Kanao, Makoto Higashiyama, Koji Arihiro, Kazuya Kuraoka, Fumio Shimamoto, Kazuaki Chayama
BACKGROUND: We aimed to clarify the long-term outcomes of patients with T1 colorectal carcinoma (CRC) after endoscopic resection (ER) and surgical resection. METHODS: We examined T1 CRC patients treated during 1992-2008 and who had ≥5 years of follow-up. Patients who did not meet the curative criteria after ER according to the Japanese Society for Cancer of the Colon and Rectum (JSCCR) guidelines were defined as "non-endoscopically curable" and classified into three groups: ER alone (Group A: 121 patients), additional surgery after ER (Group B: 238 patients), and surgical resection alone (Group C: 342 patients)...
February 13, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28157254/using-our-own-developed-stent-in-the-palliative-treatment-of-obstruction-in-the-left-half-of-the-colon-due-to-ovarian-cancer
#15
Tomasz Miłek, Konrad Pasek, Piotr Ciostek, Habib Alkalaya, Agnieszka Timorek, Włodzimierz Sawicki, Krzysztof Cendrowski
OBJECTIVES: An assessment of implantation efficacy and safety of self-developed self-expanding stent in patients with an ovarian cancer induced by intestinal obstruction. MATERIAL AND METHODS: The study of the stenting efficacy and safety was realized prospectively. The group consisted of 13 patients with left half colon obstruction due to an inoperable metastatic ovarian carcinoma. All the patients had a histopathologically diagnosed ovarian carcinoma and were treated in the past both surgically and systemically...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28144126/transanal-endoscopic-operation-for-benign-rectal-lesions-and-t1-carcinoma
#16
Mathieu D'Hondt, Emi Yoshihara, Lieven Dedrye, Koen Vindevoghel, Frederiek Nuytens, Hans Pottel
BACKGROUND AND OBJECTIVES: Transanal endoscopic operation (TEO) is a minimally invasive technique used for local excision of benign and selected malignant rectal lesions. The purpose of this study was to investigate the feasibility, safety, and oncological outcomes of the procedure and to report the experience in 3 centers. METHODS: Retrospective review of a prospectively collected database was performed of all patients with benign lesions or ≤cT1N0 rectal cancer who underwent TEO with curative intent at 3 Belgian centers (2012 through 2014)...
January 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28133240/-a-case-of-primary-peritoneal-cancer-successfully-treated-with-debulking-surgery-and-postoperative-chemotherapy
#17
Koki Maeda, Masami Tabata, Taiki Moriyama, Tatsuya Sakamoto, Yu Fujimura, Ichiro Ohsawa, Kenji Kato, Makoto Iwata, Takayuki Sanda
A 52-year-old woman with abdominal pain and a feeling of incomplete evacuation visited a local clinic. Enlargement of the right ovary was detected, and the patient was referred to the gynecological department of our hospital. CT and MRI revealed a round-shaped mass, 8 cm in diameter, with cystic and solid components in the Douglas pouch. The patient underwent a laparotomy under the diagnosis of ovarian cancer. Intraoperatively, both the ovaries appeared normal and the tumor strongly adhered to the rectum and uterus...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133091/-two-cases-pancreatic-carcinoma-detected-incidentally-during-treatment-of-acute-abdomen-from-other-causes
#18
Shigeru Fujisaki, Motoi Takashina, Ryouichi Tomita, Kenichi Sakurai, Tadatoshi Takayama
We report 2 cases of pancreatic cancer discovered incidentally in the wake of acute abdomen from other causes. Case 1 is a 67-year-old man who was referred to our hospital in October 2010 for the treatment of an incarcerated right inguinal hernia. The hernia was manually reduced, and mesh plug hernioplasty was scheduled for the next day. A 2.9 cm diameter tumor was detected in the tail of the pancreas on plain CT at the first visit and confirmed on enhanced CT soon after the hernia repair. A follow-up abdominal CT scan approximately 1 month later showed modest enlargement of the tumor to 3...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28122523/adjuvant-radiotherapy-improves-cause-specific-survival-in-stage-ii-not-stage-iii-mucinous-carcinoma-of-the-rectum
#19
Qingguo Li, Yaqi Li, Weixing Dai, Sheng Wang, Ye Xu, Xinxiang Li, Sanjun Cai
BACKGROUND: The effect of adjuvant radiotherapy on the survival outcomes of patients with mucinous rectal cancer remains unclear. This study evaluated the 5-year cause specific survival (CSS) of patients with mucinous rectal cancer after surgery to determine whether adjuvant radiotherapy conferred a survival benefit. METHODS: An analysis of the Surveillance, Epidemiology, and End Results (SEER)-registered database was conducted of patients presenting with mucinous rectal cancer between 2004 and 2011...
January 26, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28104993/synchronous-quintuple-primary-gastrointestinal-tract-malignancies-case-report
#20
Soo-Hong Kim, Byung-Soo Park, Hyun Sung Kim, Jae Hun Kim
Multiple primary malignancy is defined as two or more malignancies detected in an individual person. In particular, synchronous quintuple primary malignancy is extremely rare. A 52-year-old male with anal pain and intermittent blood-tinged stool was diagnosed with malignancies in the stomach, jejunum, ascending colon, transverse colon and rectum. He underwent a subtotal gastrectomy, segmental resection of the jejunum and total protocolectomy with end ileostomy. The postoperative pathologic findings were moderate differentiated gastric adenocarcinoma (pT1bN0M0, pStageIA), combined adenocarcinoma and neuroendocrine carcinoma of the jejunum (pT3N0M0, pStageIIA), three mucinous adenocarcinoma of the ascending colon (pT3N0M0, pStageIIA), transverse colon (pT1N0M0, pStageI) and rectum (pT3N1aM0, pStageIIIB)...
January 7, 2017: World Journal of Gastroenterology: WJG
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