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Q Zhou, F Shi, H Y Zhao, Y Li, Q K Song
Objective: To analyze the relationship between clinicopathologic characteristics of pseudomyxoma peritonei (PMP) and its prognosis. Methods: Fifty-two cases of PMP collected from 2012 to 2017 at Beijing Shijitan Hospital, Capital Medical University were reviewed using the diagnostic criteria of WHO 2010. The histopathologic features, including original location, neural invasion and calcification were observed; and the relationship with prognosis was analyzed. Immunohistochemical staining for CK7, CK20 and CDX2 was performed on all cases...
March 8, 2018: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
Juan Gómez Rivas, José María Alonso-Dorrego, Diego M Carrión, Mónica Vega Robalino, Pilar González-Peramato
OBJECTIVE: We present the case of a patient incidentally diagnosed with a pelvic mass next to the bladder. After surgical excision, definitive diagnosis was pseudomyxoma peritonei. We provide a concise review of the literature of this pathology. METHODS: A 55 year-old male patient, was found to have, in annual routine ultrasound, a pelvic retrovesical mass. CT guided needle aspirate showed a tumor with myxoid changes and low aggressive cytology. Surgical excision was performed...
March 2018: Archivos Españoles de Urología
Mark B Bignell, Akash M Mehta, Sue Alves, Kandiah Chandrakumaran, Sanjeev P Dayal, Faheez Mohamed, Tom D Cecil, Brendan J Moran
AIM: Ovarian metastases from gastrointestinal tract malignancy have been considered an ominous finding with poor prognosis. The aim of this project was to determine the impact on survival, and potential cure, when cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) are combined to treat peritoneal malignancy in women with Krukenberg tumours. METHOD: Retrospective analysis of prospectively collected data between January 2010 and July 2015...
March 4, 2018: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
Elisa Schmoeckel, Thomas Kirchner, Doris Mayr
The differentiation between a primary mucinous ovarian neoplasm and an extra-ovarian metastasis in the ovary is often challenging in the histopathologic practice. Among various ovarian metastases from the gastro-intestinal tract the low-grade appendiceal mucinous neoplasm (LAMN) is an important differential diagnosis to consider particularly in case of pseudomyxoma peritonei. A newly recognized marker in the routine diagnostic of a mucinous neoplasm in the ovary is SATB2 (Special AT-rich sequence-binding protein 2)...
December 14, 2017: Pathology, Research and Practice
J-B Delhorme, F Severac, G Averous, O Glehen, G Passot, N Bakrin, F Marchal, M Pocard, R Lo Dico, C Eveno, S Carrere, O Sgarbura, F Quenet, G Ferron, D Goéré, C Brigand
BACKGROUND: The prognostic value of the primary neoplasm responsible for pseudomyxoma peritonei (PMP) remains poorly studied. The aim of this study was to determine the prognosis for patients with extra-appendicular PMP (EA-PMP) treated optimally with complete cytoreductive surgery (CCRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). METHODS: All patients treated for PMP with CCRS and HIPEC between 1994 and 2016 were selected retrospectively from a French multicentre database...
February 7, 2018: British Journal of Surgery
Lori A Erickson, Michael Rivera
No abstract text is available yet for this article.
February 2018: Mayo Clinic Proceedings
Manuela Robella, Marco Vaira, Alice Borsano, Claudio Mossetti, Michele DE Simone
BACKGROUND/AIM: Pseudomyxoma peritonei (PMP) is a rare disease characterized by mucinous ascites and widespread peritoneal implants. It usually originates from the rupture of an adenoma/adenocarcinoma of the appendix. Although this tumor is only superficially invasive and does not metastasize, it could be a fatal disease. Extra-abdominal spread of PMP is an unusual occurrence with few reports in medical literature. CASE REPORT: A 50-year-old man was diagnosed with PMP according to the findings of thorax and abdomen CT scan and cytologic and histological examinations...
February 2018: Anticancer Research
Yutaro Ogawa, Naoki Asayama, Shinji Nagata
Colonic diverticular bleeding is the most common cause of lower gastrointestinal bleeding1,2 . Appendiceal diverticulosis is an uncommon clinical entity, with an incidence of 0.004%-2% in surgical pathologic specimens3,4 . Appendiceal diverticulitis in symptomatic patients should be treated with early resection, because of the risk of perforation and peritonitis; the rate of perforation is higher in appendicitis (27%) with diverticulosis than in appendicitis alone (6.6%)5 . Untreated appendiceal diverticulitis can also lead to massive gastrointestinal hemorrhage and abscess formation, and has a potential role in the development of pseudomyxoma peritonei...
January 15, 2018: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
Adam T Stearns, Lee Malcomson, Grant Punnett, Haytham Abudeeb, Omer Aziz, Chelliah R Selvasekar, Paul E Fulford, Malcolm S Wilson, Andrew G Renehan, Sarah T O'Dwyer
BACKGROUND: Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) are an established treatment for pseudomyxoma peritonei (PMP), but it is a major surgical procedure and may be associated with long-term morbidity. To date, health-related quality-of-life (HRQL) data among survivors are lacking. METHODS: A two-period qualitative study investigated patients undergoing CRS-HIPEC for PMP at a national peritoneal tumor center between 2003 and 2011...
January 8, 2018: Annals of Surgical Oncology
Ashok K Dilly, Brendon D Honick, Yong J Lee, Zong S Guo, Herbert J Zeh, David L Bartlett, Haroon A Choudry
Cancer cells aberrantly express mucins to enhance their survival. Relative chemoresistance of appendiceal pseudomyxoma peritonei (PMP) is attributed to abundant extracellular mucin 2 (MUC2) protein production. We hypothesized that simultaneous MUC2 inhibition and apoptosis induction would be effective against mucinous tumors. In vitro studies were conducted using LS174T cells (MUC2-secreting human colorectal cancer cells), PMP explant tissue, and epithelial organoid cultures (colonoids) derived from mucinous appendix cancers...
December 5, 2017: Oncotarget
Frederic Mercier, Guillaume Passot, Laurent Villeneuve, Edward A Levine, Yutaka Yonemura, Diane Goéré, Paul H Sugarbaker, Christelle Marolho, David L Bartlett, Olivier Glehen
PURPOSE: Peritoneal carcinomatosis or pseudomyxoma peritonei from urachus is a rare form of presentation, often diagnosed at an advanced state of tumor burden. Because of its rarity, little is known about its natural history, prognosis, or optimal treatment. We searched a large international multicenter database of peritoneal surface disease to identify cases of peritoneal carcinomatosis of urachus that were treated with cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) at expert centers...
December 13, 2017: Annals of Surgical Oncology
Aditi Bhatt, Antony George, Sanket Mehta
The learning curve for cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) for pseudomyxoma peritonei (PMP) which peaks at 90 procedures for the surgeon may take several years to reach. The cumulative summation (CUSUM) test of the learning curve (LC-CUSUM) was used to assess the safety of the procedure (minimal level of proficiency for the surgeon) in terms of morbidity, mortality, and completeness of cytoreduction and early oncological failure before the peak of the learning curve had been reached...
December 2017: Indian Journal of Surgical Oncology
Morgane Bouquot, Anthony Dohan, Etienne Gayat, Maxime Barat, Olivier Glehen, Marc Pocard, Pascal Rousset, Clarisse Eveno
BACKGROUND: Curative treatment of pseudomyxoma peritonei (PMP) is complete cytoreductive surgery (CRS) with hyperthermic intraperitoneal chemotherapy (HIPEC). OBJECTIVE: The aim of this study was to build and evaluate a preoperative imaging score to predict resectability. PATIENTS AND METHODS: Between 2007 and 2014, all PMP patients in two tertiary reference centers who underwent laparotomy with intent to undergo CRS and HIPEC were included in this study retrospectively...
March 2018: Annals of Surgical Oncology
Ayman Zaki Azzam, Zyad Adil Alyahya, Ahmed Abbas Al Wusaibie, Tarek Mahmoud Amin
BACKGROUND AND AIMS: Pseudomyxoma peritonei (PMP) results from perforated appendiceal tumors. It is usually diagnosed preoperatively by imaging. Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC), although aggressive long procedure with high complications rate, was considered the optimal treatment. This study is aiming to study the role of CRS and HIPEC in the management of PMP and assess the outcome. METHODS: This is a retrospective study which was conducted at King Faisal Hospital and Research Center, a tertiary care hospital during the period from November 2008 to June 2016...
November 29, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
Dario Baratti, Shigeki Kusamura, Massimo Milione, Federica Bruno, Marcello Guaglio, Marcello Deraco
BACKGROUND: Controversies still persist regarding the terminology and pathologic classification of appendiceal mucinous neoplasms and associated pseudomyxoma peritonei (PMP). We assessed reproducibility and prognostic significance of the classification recently proposed by the Peritoneal Surface Oncology Group International (PSOGI). METHODS: A prospective database of 265 PMP patients uniformly treated by cytoreductive surgery and hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) from 1995 to 2017 was reviewed...
November 20, 2017: Annals of Surgical Oncology
Haroon A Choudry, Reetesh K Pai, Yongli Shuai, Lekshmi Ramalingam, Heather L Jones, James F Pingpank, Steven S Ahrendt, Matthew P Holtzman, Amer H Zureikat, Herbert J Zeh, David L Bartlett
BACKGROUND: The Peritoneal Surface Oncology Group International (PSOGI) recommends pathologic reporting of tumor cellularity in patients with pseudomyxoma peritonei (PMP) undergoing cytoreductive surgery and hyperthermic intraperitoneal chemoperfusion (CRS-HIPEC). We investigated the prognostic significance of PMP cellularity, or lack thereof (acellular mucin), following CRS-HIPEC. METHODS: We reviewed clinical data for 310 CRS-HIPEC procedures in low-grade (American Joint Committee on Cancer grade G1) PMP with acellular mucin (n = 19), scant cellularity (n = 30), or moderate cellularity (n = 242)...
January 2018: Annals of Surgical Oncology
Xinge Fu, Juhong Jiang, Bin Li, Xiao-Ying Tian, Zhi Li
Appendiceal or cecal endometriosis with intestinal metaplasia is uncommon and may mimic mucinous tumors of the appendix. A 50-year-old woman was found incidentally to have an ileocecal lesion. In the intraoperative histological examination, a diagnosis of neoplasm of the cecum was made predominantly based on mucin extrusion with scattered lining mucinous epithelium. However, postoperative histological diagnosis of the lesion was cecal endometriosis with intestinal metaplasia as determined by thoroughly microscopic inspection and the presence of typical endometrial glands with surrounding endometrial-type stroma...
October 1, 2017: International Journal of Surgical Pathology
Karan Rangarajan, Kandiah Chandrakumaran, Sanjeev Dayal, Faheez Mohamed, Brendan J Moran, Thomas D Cecil
AIM: The neutrophil-lymphocyte ratio (NLR) and other inflammation-based scores have been used as a prognostic tool to predict survival in solid tumours including pseudomyxoma peritonei (PMP). The aim was to evaluate the prognostic value of this marker and risk stratify PMP patients undergoing cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC). METHODS: Retrospective analysis was conducted of a prospectively collected database of patients with PMP who underwent CRS and HIPEC between 1994 and 2015...
October 24, 2017: International Journal of Hyperthermia
Panagiotis Dimopoulos, Spyridon Kampantais, Simon Payne, Sidath Liyanage
Pseudomyxoma peritonei is a rare clinical condition which can arise from various primary tumors with different biological behaviour. An intraperitoneal spread of mucus is the characteristic of the disease. Here we provide images from a rare entity, a pseudomyxoma peritonei arising from urachal mucinous adenocarcinoma. If clinical suspicion is high, the preoperative imaging could be almost pathognomonic of the disease.
October 9, 2017: Urology
Thales Paulo Batista, Bruno José Queiroz Sarmento, Janina Ferreira Loureiro, Andrea Petruzziello, Ademar Lopes, Cassio Cortez Santos, Cláudio de Almeida Quadros, Eduardo Hiroshi Akaishi, Eduardo Zanella Cordeiro, Felipe José Fernández Coimbra, Gustavo Andreazza Laporte, Leonaldson Santos Castro, Ranyell Matheus Spencer Sobreira Batista, Samuel Aguiar, Wilson Luiz Costa, Fábio Oliveira Ferreira
Cytoreductive surgery plus hypertermic intraperitoneal chemotherapy has emerged as a major comprehensive treatment of peritoneal malignancies and is currently the standard of care for appendiceal epithelial neoplasms and pseudomyxoma peritonei syndrome as well as malignant peritoneal mesothelioma. Unfortunately, there are some worldwide variations of the cytoreductive surgery and hypertermic intraperitoneal chemotherapy techniques since no single technique has so far demonstrated its superiority over the others...
September 2017: Revista do Colégio Brasileiro de Cirurgiões
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