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appendiceal cancer

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https://www.readbyqxmd.com/read/28506255/retrospective-study-of-nonmucinous-appendiceal-adenocarcinomas-role-of-systemic-chemotherapy-and-cytoreductive-surgery
#1
Marc Uemura, Wei Qiao, Keith Fournier, Jeffrey Morris, Paul Mansfield, Cathy Eng, Richard E Royal, Robert A Wolff, Kanwal Raghav, Gary N Mann, Michael J Overman
BACKGROUND: Mucinous appendiceal adenocarcinomas (AAs) are the most common histological subset of AAs. Nonmucinous AAs have been infrequently studied. We performed a single-center retrospective study to investigate this histological subtype. METHODS: We reviewed 172 patient records with nonmucinous AAs treated at MD Anderson Cancer Center from Jan, 1990 to Jun, 2015 and recorded patient demographics, tumor characteristics, treatment, and outcomes. Response rate (RR) was assessed semi-quantitatively (response/no response) according to the treating physician's findings...
May 15, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28490413/risk-factors-for-appendiceal-involvement-in-women-with-epithelial-ovarian-cancer
#2
Mustafa Erkan Sarı, Elmas Korkmaz, Murat Öz, Tayfun Güngör, Mehmet Mutlu Meydanlı
OBJECTIVE: In this study we aimed to evaluate the risk factors for appendiceal involvement in women with epithelial ovarian cancer (EOC) who underwent appendectomy at the time of initial surgery. MATERIAL AND METHODS: Patients with a final diagnosis of EOC who underwent appendectomy at the time of initial surgery were evaluated retrospectively. Risk factors related to the presence of appendiceal involvement were analyzed. RESULTS: A total of 210 patients underwent appendectomy during staging surgery...
May 11, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/28415645/peritoneal-carcinomatosis-limits-of-diagnosis-and-the-case-for-liquid-biopsy
#3
REVIEW
James R W McMullen, Matthew Selleck, Nathan R Wall, Maheswari Senthil
Peritoneal Carcinomatosis (PC) is a late stage manifestation of several gastrointestinal malignancies including appendiceal, colorectal, and gastric cancer. In PC, tumors metastasize to and deposit on the peritoneal surface and often leave patients with only palliative treatment options. For colorectal PC, median survival is approximately five months, and palliative systemic therapy is able to extend this to approximately 12 months. However, cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) with a curative intent is possible in some patients with limited tumor burden...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28393331/role-of-crs-and-hipec-in-appendiceal-and-colorectal-malignancies-indian-experience
#4
Nikhil Gupta, Syed Asif, Jatin Gandhi, Sajjan Rajpurohit, Shivendra Singh
BACKGROUND: Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy are recently being considered as standard of treatment for patients with peritoneal carcinomatosis of appendiceal or colorectal origin. It is an extensive procedure with high morbidity. Being a newer treatment modality, not much experience has been published from an Indian center about it. METHODS: All patients of colorectal and appendiceal cancer with peritoneal metastasis from January 2012 to March 2015 who were planned for cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (HIPEC) were analyzed with respect to morbidity, mortality, and survival...
March 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/28325058/-mixed-adenoneuroendocrine-carcinoma-manec-of-the-gastrointestinal-tract
#5
R Šefr, L Němec, P Fabian, L Fiala
Mixed adenoneuroendocrine carcinoma (MANEC) is a rare tumour of the gastrointestinal tract composed of adenocarcinoma and neuroendocrine carcinoma. This pathologic diagnosis was recently defined by the WHO in 2010. The tumour may appear in various levels of the digestive tract including the oesophagus, stomach, colon and appendix. Biological behaviour of MANEC seems to be quite unpredictable and the prognosis uncertain. The disease may also mimic "simple" carcinoma. Only several tens of cases have been reported so far...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28296772/metastasis-to-the-appendix-from-adenocarcinoma-of-the-ascending-colon-a-case-report
#6
Yingjie Li, Mingshan Li, Xiaoxia Li, Haiquan Sang
RATIONALE: Metastasis of cancer cells involves shedding from the primary tumor through various means to distant tissues and organs with continued growth and formation of new metastatic tumors of the same cancer type as the original tumor. The common sites for colon cancer metastases include the pelvis, retroperitoneal lymph nodes, liver, and lungs; Colon cancer metastases to the appendix are rare, as reported in this case. PATIENT CONCERNS AND DIAGNOSES: A 45-year-old man was admitted to our department with a 24-hour history of abdominal distension and incomplete obstruction...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28280620/potential-actionable-targets-in-appendiceal-cancer-detected-by-immunohistochemistry-fluorescent-in-situ-hybridization-and-mutational-analysis
#7
Erkut Borazanci, Sherri Z Millis, Jeffery Kimbrough, Nancy Doll, Daniel Von Hoff, Ramesh K Ramanathan
BACKGROUND: Appendiceal cancers are rare and consist of carcinoid, mucocele, pseudomyxoma peritonei (PMP), goblet cell carcinoma, lymphoma, and adenocarcinoma histologies. Current treatment involves surgical resection or debulking, but no standard exists for adjuvant chemotherapy or treatment for metastatic disease. METHODS: Samples were identified from approximately 60,000 global tumors analyzed at a referral molecular profiling CLIA-certified laboratory. A total of 588 samples with appendix primary tumor sites were identified (male/female ratio of 2:3; mean age =55)...
February 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28267002/histological-subtype-remains-a-significant-prognostic-factor-for-survival-outcomes-in-patients-with-appendiceal-mucinous-neoplasm-with-peritoneal-dissemination
#8
Yeqian Huang, Nayef A Alzahrani, Terence C Chua, David L Morris
BACKGROUND: It has been increasingly recognized that appendiceal mucinous neoplasm with peritoneal dissemination is not a homogenous disease. OBJECTIVE: This study aimed to examine the impact of different histological subtypes on survival of a large cohort of patients with appendiceal mucinous neoplasms uniformly treated by cytoreductive surgery and intraperitoneal chemotherapy. DESIGN: This was a retrospective study of prospectively collected data of patients with peritoneal dissemination of appendiceal neoplasm who underwent cytoreductive surgery and intraperitoneal chemotherapy...
April 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28239324/capsule-retention-caused-by-duodenal-metastases-from-primary-appendiceal-adenocarcinoma
#9
Jen-Wei Chou, Ken-Sheng Cheng
Metastatic small bowel cancers are extremely rare in clinical practice. Primary appendiceal adenocarcinoma with gastrointestinal metastasis is seldom reported in the literature. Here, we describe the case of an 80-year-old male patient with primary appendiceal adenocarcinoma, who presented to China Medical University Hospital with mid-gastrointestinal tract bleeding. Capsule endoscopy revealed stenotic bowel lumen, but the capsule was retained in the distal duodenum. Double-balloon enteroscopy demonstrated erosive and erythematous mucosa in the region of capsule retention...
January 2017: Intestinal Research
https://www.readbyqxmd.com/read/28204963/peritoneal-metastases-from-gastroenteropancreatic-neuroendocrine-tumors-incidence-risk-factors-and-prognosis
#10
Ariana Madani, Irene Thomassen, Yvette R B M van Gestel, Jarmila D W van der Bilt, Harm R Haak, Ignace H J T de Hingh, Valery E P P Lemmens
BACKGROUND: Gastroenteropancreatic neuroendocrine tumors (GEP-NETs) are rare neoplasms and data on peritoneal metastases (PM) from these tumors are scarce. OBJECTIVE: The aim of this study was to present population-based data on the incidence, risk factors, and survival of synchronous PM in GEP-NETs. METHODS: Data from all patients diagnosed with a GEP-NET during 2007-2013 were collected from the Netherlands Cancer Registry. Age-standardized incidence rates were calculated and risk factors for developing PM were determined using multivariable logistic regression analysis...
February 15, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28188838/lymph-node-positivity-in-appendiceal-adenocarcinoma-should-size-matter
#11
John V Gahagan, Matthew D Whealon, Michael J Phelan, Steven Mills, Alessio Pigazzi, Michael J Stamos, Ninh T Nguyen, Joseph C Carmichael
BACKGROUND: The management algorithm for appendiceal adenocarcinoma is not well defined. This study sought to determine whether tumor size or depth of invasion better correlates with the presence of lymph node metastases in appendiceal adenocarcinoma, and to compare these rates with colon adenocarcinoma. STUDY DESIGN: A retrospective review of the National Cancer Database was performed to identify patients with appendiceal or colonic adenocarcinoma from 2004 to 2013 who underwent surgical resection...
February 7, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28160966/influence-of-intraoperative-radiation-therapy-on-locally-advanced-and-recurrent-colorectal-tumors-a-16-year-experience
#12
Justin T Brady, Benjamin P Crawshaw, Barrington Murrell, Eslam M G Dosokey, Murad A Jabir, Scott R Steele, Sharon L Stein, Harry L Reynolds
BACKGROUND: Intraoperative radiation therapy (IORT) has been proposed as a tool to improve local control in patients with locally advanced primary or recurrent colorectal cancer. METHODS: A retrospective review (1999-2015) of all patients undergoing IORT for locally advanced or recurrent colorectal cancer at a single academic center was performed. Patient demographics, oncologic staging, short-term and long-term outcomes were reviewed. RESULTS: There were 77 patients (mean age 63 ± 11 years) identified, of whom 19 had colon cancer, 57 had rectal cancer, and 2 had appendiceal cancers...
March 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28133311/-a-case-of-appendiceal-mucinous-cystadenoma-treated-using-laparoscopic-appendectomy
#13
Daiki Marukawa, Shingo Noura, Harunobu Yasuyama, Tae Matsumura, Chikato Koga, Akihiro Takata, Chizu Kameda, Masahiro Murakami, Ryohei Kawabata, Masaki Hirota, Junzo Shimizu, Hideaki Miwa, Junichi Hasegawa
A 73 year-old woman who was treated for breast cancer and visited our hospital regularly was suspected of having a mucinous cystadenoma of the appendix. Malignancy could not be determined using abdominal computed tomography, magnetic resonance imaging, or colonoscopy. Even if mucinous cystadenoma is benign, there is the possibility that the tumor will rupture, discharge its contents, and cause pseudomyxoma peritonei. We performed laparoscopic appendectomy. According to the histopathological results, the tumor was diagnosed as a low grade appendiceal mucinous neoplasm...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28060142/the-importance-of-appendectomy-in-surgery-for-mucinous-adenocarcinoma-of-the-ovary
#14
Mikkel Rosendahl, Laura Amalie Haueberg Oester, Claus Kim Høgdall
OBJECTIVE: The aim of this study was to assess the importance of appendectomy during surgery for mucinous ovarian cancer. It can be difficult to distinguish between primary ovarian and primary appendiceal cancers clinically, histologically, and immunohistochemically. Removal of the appendix may facilitate differential diagnosis, improve staging, and possibly increase 5-year survival but may also be associated with increased postsurgical morbidity. In the largest population published to date, we analyze and discuss these matters...
March 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28050146/personalized-oncogenomics-in-the-management-of-gastrointestinal-carcinomas-early-experiences-from-a-pilot-study
#15
B S Sheffield, B Tessier-Cloutier, H Li-Chang, Y Shen, E Pleasance, K Kasaian, Y Li, S J M Jones, H J Lim, D J Renouf, D G Huntsman, S Yip, J Laskin, M Marra, D F Schaeffer
BACKGROUND: Gastrointestinal carcinomas are genomically complex cancers that are lethal in the metastatic setting. Whole-genome and transcriptome sequencing allow for the simultaneous characterization of multiple oncogenic pathways. METHODS: We report 3 cases of metastatic gastrointestinal carcinoma in patients enrolled in the Personalized Onco-Genomics program at the BC Cancer Agency. Real-time genomic profiling was combined with clinical expertise to diagnose a carcinoma of unknown primary, to explore treatment response to bevacizumab in a colorectal cancer, and to characterize an appendiceal adenocarcinoma...
December 2016: Current Oncology
https://www.readbyqxmd.com/read/27959889/childhood-neuroendocrine-tumours-a-descriptive-study-revealing-clues-for-genetic-predisposition
#16
I J Diets, I D Nagtegaal, J Loeffen, I de Blaauw, E Waanders, N Hoogerbrugge, M C J Jongmans
BACKGROUND: Neuroendocrine tumours (NETs) are rare in children and limited data are available. We aimed to specify tumour and patient characteristics and to investigate the role of genetic predisposition in the aetiology of paediatric NETs. METHODS: Using the Dutch Pathology Registry PALGA, we collected patient- and tumour data of paediatric NETs in the Netherlands between 1991 and 2013 (N=483). RESULTS: The incidence of paediatric NETs in the Netherlands is 5...
January 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/27938333/pseudomyxoma-peritonei-of-a-mature-ovarian-teratoma-caused-by-mismatch-repair-deficiency-in-a-patient-with-lynch-syndrome-a-case-report
#17
Yoshimasa Gohda, Rei Noguchi, Tomoko Horie, Toru Igari, Harumi Nakamura, Yasunori Ohta, Kiyoshi Yamaguchi, Tsuneo Ikenoue, Seira Hatakeyama, Nozomi Yusa, Yoichi Furukawa, Hideaki Yano
BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare disease with an estimated incidence of 1-2 cases per million individuals per year. PMP is characterized by the accumulation of abundant mucinous or gelatinous fluid derived from disseminated tumorous cells. Most of the tumorous cells are originated from rupture of appendiceal neoplasms, but some are from the metastasis of cancer of the colon, ovary, fallopian tube, urachus, colorectum, gallbladder, stomach, pancreas, lung and breast. Although frequent mutations in KRAS and/or GNAS genes have been reported, precise molecular mechanism underlying PMP remains to be elucidated...
December 9, 2016: BMC Medical Genetics
https://www.readbyqxmd.com/read/27913947/preclinical-evaluation-of-cathepsin-based-fluorescent-imaging-system-for-cytoreductive-surgery
#18
Carlos H F Chan, Lukas F Liesenfeld, Isabel Ferreiro-Neira, James C Cusack
BACKGROUND: Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS-HIPEC) is a treatment option for peritoneal surface malignancies. The ability to detect microscopic foci of peritoneal metastasis intraoperatively may ensure the completeness of cytoreduction. In this study, we evaluated the suitability of a hand-held cathepsin-based fluorescent imaging system for intraoperative detection of appendiceal and colorectal peritoneal metastasis. METHODS: Peritoneal tumors and normal peritoneal tissues were collected from patients with appendiceal and colorectal peritoneal metastasis...
December 2, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27889016/is-it-necessary-to-perform-routine-appendectomy-for-mucinous-ovarian-neoplasms-a-retrospective-study-and-meta-analysis
#19
REVIEW
Aoshuang Cheng, Minghao Li, Margaux J Kanis, Ying Xu, Qing Zhang, Baoxia Cui, Jie Jiang, YouZhong Zhang, Xingsheng Yang, Beihua Kong
OBJECTIVES: To evaluate whether routine appendectomy is necessary in all patients with mucinous borderline ovarian tumor (mBOT) or mucinous ovarian cancer (MOC) who undergo gynecologic surgery. METHODS: The database of Qilu Hospital was searched for women who underwent appendectomy in a primary surgery for an ovarian tumor between June 2005 and June 2015 and whose final diagnosis was mBOT, MOC or primary appendiceal tumor. A retrospective review was performed, as well as a meta-analysis of the literature to further validate the findings...
January 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/27878571/a-case-of-a-horseshoe-appendix
#20
Kazuya Takabatake, Jun Ikeda, Hirotaka Furuke, Chikage Kato, Takuya Kishimoto, Tatsuya Kumano, Kenichiro Imura, Katsumi Shimomura, Takeshi Kubota, Fumihiro Taniguchi, Yasuhiro Shioaki
Anomalies of the appendix are extremely rare, and a horseshoe appendix is even rarer. A literature search has revealed only five reported cases. In this report, we present a case of a horseshoe appendix.A 78-year-old man was referred for further examination following a positive fecal occult blood test. A mass in his ascending colon was detected on colonoscopy, while computed tomography showed that it was connected to the appendix. Tumor invasion derived from the ascending colon or appendix was suspected. We diagnosed ascending colon cancer prior to laparoscopic ileocecal resection...
December 2016: Surgical Case Reports
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