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Pseudomyxoma Peritonei

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https://www.readbyqxmd.com/read/27870702/synchronous-ovarian-and-appendiceal-mucinous-neoplasms-in-the-absence-of-pseudomyxoma-peritonei
#1
Xianyong Gui, Jorge Escobar, Cheng-Han Lee, Máire A Duggan, Martin Köbel
BACKGROUND: Synchronous ovarian/appendiceal mucinous neoplasms sometimes occur in the absence of clinical pseudomyxoma peritonei (PMP), which raises a question about whether the 2 tumors could be independent. METHODS: We identified 11 cases of synchronous ovarian/appendiceal mucinous neoplasms without PMP and subclassified them into groups 1 and 2 based on the presence or absence of microscopic peritoneal/ovarian surface mucin deposits. A 7-marker panel (CK7, CK20, CDX2, PAX8, MUC1, MUC2, and MUC5AC) immunohistochemistry was performed on both tumors...
November 17, 2016: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27866811/the-modified-glasgow-prognosis-score-predicts-for-overall-and-disease-free-survival-following-cytoreductive-surgery-and-hipec-in-patients-with-pseudomyxoma-peritonei-of-appendiceal-origin
#2
G H C Tan, C A Novo, S Dayal, K Chandrakumaran, F Mohamed, T Cecil, B J Moran
BACKGROUND: The modified Glasgow prognostic score (incorporating C-reactive protein and albumin) predicts survival in patients with gastro-intestinal tract cancer but has not been evaluated in patients with peritoneal malignancy. The aim was to evaluate the modified Glasgow score preoperatively in patients undergoing complete cytoreductive surgery (CCRS) with hyperthermic intraperitoneal chemotherapy (HIPEC) for pseudomyxoma peritonei (PMP) of appendiceal origin. METHODS: Prospectively collected data from patients with PMP of appendiceal origin following CCRS and HIPEC between January 2007 and December 2011 were analysed...
October 31, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27843660/low-grade-appendiceal-mucinous-neoplasm-involving-the-endometrium-and-presenting-with-mucinous-vaginal-discharge
#3
Vera Vavinskaya, Joel M Baumgartner, Albert Ko, Cheryl C Saenz, Mark A Valasek
Primary appendiceal mucinous lesions are uncommon and represent a spectrum from nonneoplastic mucous retention cysts to invasive adenocarcinoma. Low-grade appendiceal mucinous neoplasms (LAMNs) represent an intermediate category on this spectrum and can be classified according to whether or not they are confined to the appendix. Although LAMNs are frequently confined to the appendix, they can also spread to the peritoneum and clinically progress as pseudomyxoma peritonei (i.e., mucinous ascites). Thus, the appropriate classification of appendiceal primary neoplasia is essential for prognosis and influences clinical management...
2016: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27822629/ultimate-clinical-outcomes-of-appendiceal-mucinous-neoplasm-of-uncertain-malignant-potential
#4
Rumi Shin, Young Jun Chai, Ji Won Park, Mee Soo Chang, Jeong Mo Bae, Min Jung Kim, Byung Kwan Park, Kyu Joo Park, Seung-Yong Jeong
BACKGROUND: The clinical outcome of appendiceal mucinous neoplasm (AMN) is not well understood. This study aimed to compare the long-term outcome for the uncertain malignant potential (UMP) subtype of AMNs with those of the mucinous adenoma (MA) and mucinous adenocarcinoma (MAC) subtypes. METHODS: In this study, AMNs were classified into three groups (MA, UMP, and MAC), and clinical characteristics, overall survival (OS), and progression-free survival (PFS) were compared among the three groups...
November 7, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27784975/limited-local-extracolonic-spread-of-mucinous-appendiceal-adenocarcinoma-after-perforation-with-formation-of-a-malignant-appendix-to-sigmoid-fistula-case-report-and-literature-review
#5
Seifeldin Hakim, Mitual Amin, Mitchell S Cappell
A 68-year-old man presented with progressive right lower quadrant abdominal pain and tenderness without rebound tenderness, and with constipation during the prior 9 mo. Abdomino-pelvic computed tomography and magnetic resonance imaging demonstrated a dilated appendix forming a fistula to the sigmoid colon. Open laparotomy revealed a bulky abdominal tumor involving appendix, cecum, and sigmoid, and extending up to adjacent viscera, without ascites or peritoneal implants. The abdominal mass was removed en bloc, including resection of sigmoid colon, cecum (with preservation of ileocecal valve), appendix, right vas deferens, testicular vessels, and minimal amounts of anterior abdominal wall; and shaving off of small parts of the walls of the urinary bladder and small bowel...
October 14, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27718032/early-postoperative-intraperitoneal-chemotherapy-for-low-grade-appendiceal-mucinous-neoplasms-with-pseudomyxoma-peritonei-is-it-beneficial
#6
Yeqian Huang, Nayef A Alzahrani, Winston Liauw, Thamer B Traiki, David L Morris
BACKGROUND: There is little evidence for the use of early postoperative intraperitoneal chemotherapy (EPIC) in patients with low-grade appendiceal mucinous neoplasms (LAMNs) with pseudomyxoma peritonei (PMP). This study aims to assess the outcomes regarding the use of EPIC in a large cohort of patients with LAMNs with PMP uniformly treated by cytoreductive surgery (CRS) and perioperative intraperitoneal chemotherapy (PIC), all of whom received hyperthermic intraperitoneal chemotherapy (HIPEC), and most of whom also received EPIC...
October 7, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27712976/a-rare-low-grade-appendiceal-mucinous-neoplasm-pseudomyxoma-peritonei-with-ossification-a-case-report-with-morphoproteomic-analysis-of-bone-formation
#7
Byeong-Joo Noh, Youn Wha Kim, Yong-Koo Park
Heterotopic ossification occurring to low-grade appendiceal mucinous neoplasm (LAMN) (pseudomyxoma peritonei) is extremely rare. The pathogenetic mechanism of the tumor-related heterotopic bone formation remains as yet unconfirmed. Here, we describe a rare case of LAMN with ossification in a 72-year-old woman, and concentrate on the etiology of heterotopic ossification by the immunohistochemical evaluation of the novel markers such as BMP9, osteocalcin, and osteopontin. BMP9 is one of the most effective osteogenetic proteins...
November 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27658904/outcome-and-surgical-strategy-in-critical-sites-in-cases-of-psuedomyxoma-peritonei
#8
Ahmed Mostafa Ahmed Mahmoud, Marwa Mahmoud Hussein, Manar Mohamed Moneer
BACKGROUND: For a long time peritoneal neoplasms were considered beyond surgical intervention and beyond cure, till the concept of cytoreductive surgery (CRS) and adjuvant hyperthermic intraperitoneal chemotherapy (HIPEC) was introduced. However this surgical intervention is technically demanding and associated with considerable postoperative morbidity. OBJECTIVE: To describe the surgical strategy in resection of critical sites loaded by heavy tumor deposits and to evaluate short and long term results of CRS and HIPEC, in a cohort of Egyptian patients with pseudomyxoma peritonei (PMP) from appendiceal origin...
December 2016: Journal of the Egyptian National Cancer Institute
https://www.readbyqxmd.com/read/27651663/-the-jelly-belly-diagnostic-dilemmas-and-current-concepts
#9
Priyanka Punit Kedia, Gayatri Ravikumar, Suravi Mohanty, Julian Crasta, Elizabeth Vallikad
BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare and poorly understood clinicopathological entity characterized by gelatinous ascites with neoplastic or non-neoplastic mucinous implants in the peritoneum. Although its origin was debated, current evidence in literature favours the appendix as the origin of the disease, over the ovaries. The changing terminologies in the classification of this entity pose diagnostic and management challenges. CASE REPORTS: Herein, we report three cases of PMP in postmenopausal women, their clinical presentation, pathological staging based on the peritoneal tumor deposits and the treatment administered...
October 2016: Journal of Obstetrics and Gynaecology of India
https://www.readbyqxmd.com/read/27646440/long-term-survival-after-aggressive-treatment-of-relapsed-serosal-or-distant-pseudomyxoma-peritonei
#10
J-B Delhorme, C Honoré, L Benhaim, F Dumont, P Dartigues, C Dromain, M Ducreux, D Elias, D Goéré
INTRODUCTION: Complete cytoreductive surgery (CCRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) have dramatically changed the prognosis of patients with pseudomyxoma peritonei (PMP). However, recurrences can still occur and no consensus has been reached regarding their optimal treatments. This study aimed to analyze the patterns of recurrence after CCRS plus HIPEC for PMP and potential subsequent treatments of these lesions. PATIENTS AND METHODS: Between 1992 and 2014, patients who had relapsed after treatment of PMP were selected from a prospective database of 251 patients who had undergone CCRS plus HIPEC with a curative intent...
September 2, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27602245/incidence-of-leukopenia-after-intraperitoneal-vs-combined-intravenous-intraperitoneal-chemotherapy-in-pseudomyxoma-peritonei
#11
Philipp Horvath, Stefan Beckert, Florian Struller, Alfred Königsrainer, Ingmar Königsrainer
AIM: To investigate the clinical impact of post-hyperthermic intraperitoneal chemotherapy (HIPEC) leukopenia, intraperitoneal and combined intravenous/intraperitoneal drug administrations were compared. METHODS: Two patient cohorts were retrospectively analyzed regarding the incidence of postoperative leukopenia. The first cohort (n = 32) received Mitomycin C (MMC)-based HIPEC intraperitoneally (35 mg/m² for 90 min) and the second cohort (n = 10) received a bi-directional therapy consisting of oxaliplatin (OX) (300 mg/m(2) for 30 min) intraperitoneally and 5-fluorouracil (5-FU) 400 mg/m² plus folinic acid 20 mg/m² intravenously...
August 6, 2016: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27502722/toward-the-molecular-dissection-of-peritoneal-pseudomyxoma
#12
F Pietrantonio, F Perrone, A Mennitto, E M Gleeson, M Milione, E Tamborini, A Busico, G Settanni, R Berenato, M Caporale, F Morano, I Bossi, A Pellegrinelli, M Di Bartolomeo, F de Braud, D Baratti, W B Bowne, S Kusamura, M Deraco
BACKGROUND: Outcome of pseudomyxoma peritonei (PMP) after cytoreductive surgery (CRS) and hypertermic intraperitoneal chemotherapy (HIPEC) is heterogeneous even after adjusting for clinico-pathological prognostic variables. The identification of additional prognostic or even predictive biomarkers is an unmet clinical need. PATIENTS AND METHODS: Forty patients with mucinous appendiceal tumors and PMP were clinically eligible and had evaluable tumor samples obtained after CRS and HIPEC...
November 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/27487625/-management-of-peritoneal-carcinomatosis-with-cytoreductive-surgery-and-hyperthermic-intraperitoneal-chemotherapy
#13
Alexandre Balaphas, Valentina Belfontali, Frédéric Ris, Andreas Lanitis, Raphael P H Meier, Marie-Laure Amram, Arnaud Roth, Olivier Huber, Thierry Berney, Philippe Morel
In 2016, peritoneal carcinomatosis can be considered as a chronic disease that can be treated and sometimes cured. Hyperthermic Intra PEritoneal Chemotherapy (HIPEC) is a procedure developed in the eighties. Combined with CytoReductive (CR) surgery, this protocol underwent a considerable expansion in Washington Cancer Institute. CR combined with HIPEC was demonstrated to be the only curative treatment for PseudoMyxoma Peritonei syndrome (PMP). It is actually approved in the management of peritoneal carcinomatosis of ovarian, colorectal, or peritoneal primitive (mesothelioma) origin but is still studied for gastric cancer...
June 15, 2016: Revue Médicale Suisse
https://www.readbyqxmd.com/read/27381696/appendiceal-mucinous-neoplasms-an-uncertain-nosological-entity-report-of-a-case
#14
A Agrusa, G Romano, M Galia, G Cucinella, V Sorce, G Di Buono, F Agnello, G Amato, G Gulotta
INTRODUCTION: Appendiceal mucocele is a relatively rare condition characterized by progressive dilation of the appendix caused by intraluminal accumulation of mucoid substance. Its incidence is 0.07 - 0,63% of all appendectomies performed. CASE REPORT: We report the case of a 70-year-old man who came to our observation with gravative pain in right lower abdominal region. A computed tomography abdominal scan revealed a cystic/tubular structure like an appendicular mass with wall enhancement but without calcifications suggestive of a mucocele...
March 2016: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/27380645/advanced-pseudomyxoma-peritonei-requiring-gastrectomy-to-achieve-complete-cytoreduction-results-in-good-long-term-oncologic-outcomes
#15
Francesco Di Fabio, Akash Mehta, Kandiah Chandrakumaran, Faheez Mohamed, Tom Cecil, Brendan Moran
BACKGROUND: Optimal outcomes in pseudomyxoma peritonei (PMP) require complete macroscopic tumor removal by cytoreductive surgery (CRS) combined with hyperthermic intraperitoneal chemotherapy (HIPEC). Partial or complete gastrectomy may be required with ongoing debate as to the risks and benefits of gastrectomy in what is often a low-grade malignancy. METHODS: Retrospective single-center analysis of 1014 patients undergoing CRS and HIPEC for PMP of appendiceal origin...
July 5, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27367953/osteopathic-approach-to-the-diagnosis-of-appendiceal-mucinous-cystadenocarcinoma-mimicking-primary-ovarian-malignant-neoplasm
#16
Daniel Martingano, Hashroop Gurm, Andrew Oliff, Francis X Martingano, George Aglialoro
The fifth leading cause of cancer-related deaths among women in the United States is ovarian cancer. An estimated 21,980 new cases and 14,270 estimated deaths occurred nationwide in 2014. More than two-thirds of cases of ovarian cancer are diagnosed at stage III or IV when the peritoneal cavity or other organs are affected. Primary appendiceal malignant neoplasms may mimic advanced-stage ovarian cancer and can be misdiagnosed because of its presentation as a palpable adnexal mass. The authors describe a 42-year-old woman who was admitted to the department of obstetrics and gynecology to receive treatment for presumed advanced-stage ovarian cancer...
July 1, 2016: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/27352203/pseudomyxoma-peritonei-of-extra-appendiceal-origin-a-comparative-study
#17
Dario Baratti, Shigeki Kusamura, Massimo Milione, Filippo Pietrantonio, Marta Caporale, Marcello Guaglio, Marcello Deraco
BACKGROUND: Pseudomyxoma peritonei (PMP) usually originates from appendiceal neoplasms and, less commonly, from extra-appendiceal lesions. To date, the clinical and therapeutic implications of extra-appendiceal origin are largely unknown. METHODS: A prospective database of 225 PMP patients uniformly treated by cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) was reviewed to identify cases with extra-appendiceal primaries. Histologically, negative appendix defined extra-appendiceal origin...
June 28, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27342827/digital-glissonectomy-a-safe-perihepatic-peritonectomy
#18
Guillaume Passot, Bradford J Kim, Delphine Vaudoyer, Vahan Kepenekian, Isabelle Bonnefoy, Naoual Bakrin, Eddy Cotte, Olivier Glehen
BACKGROUND: Complete cytoreductive surgery (CRS), combining organ resection and peritonectomy, is the only treatment that could offer cure for patients with peritoneal carcinomatosis. Initially, when the Glisson's capsule was involved without deep liver parenchyma invasion, either electroevaporation or Glisson's capsule resection was proposed. The objective of this study is to present and evaluate the safety of this standardized digital glissonectomy. METHODS: Since 2009, the peritonectomy of the Glisson's capsule, or digital glissonectomy, has been standardized at our institution...
June 24, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27330364/treatment-of-peritoneal-surface-malignancies-with-hyperthermic-intraperitoneal-chemotherapy-current-perspectives
#19
REVIEW
J Spiliotis, E Halkia, E de Bree
Peritoneal carcinomatosis (ptc) represents advanced malignant disease and has generally been associated with a grim prognosis. Peritoneal surface malignancy is often the major source of morbidity and mortality; it is of major concern in cancer management. Although ptc is categorized as metastatic disease, it represents a special disease pattern considered to be a locoregional disease limited to the abdominal cavity. The combination of cytoreductive surgery (crs) and intraoperative hyperthermic intraperitoneal chemotherapy (hipec) has successfully been used as locoregional treatment for selected patients with ptc from gastric, colorectal, and ovarian cancer; with mesothelioma; and with pseudomyxoma peritonei...
June 2016: Current Oncology
https://www.readbyqxmd.com/read/27241925/should-total-gastrectomy-and-total-colectomy-be-considered-for-selected-patients-with-severe-tumor-burden-of-pseudomyxoma-peritonei-in-cytoreductive-surgery
#20
Y Liu, A Mizumoto, H Ishibashi, K Takeshita, M Hirano, M Ichinose, S Takegawa, Y Yonemura
BACKGROUND: This study aims to evaluate the safety and efficacy of cytoreductive surgery (CRS) including total gastrectomy and total colectomy in selected pseudomyxoma peritonei (PMP) patients with entire stomach and colon covered by mucinous tumor. METHODS: A total of 48 patients received this extensive treatment between January 2006 and January 2014. The main focus of this study was survival after CRS as well as perioperative morbidity and mortality. RESULTS: Twenty-eight patients were male, and median age was 52...
July 2016: European Journal of Surgical Oncology
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