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Pseudomyxoma

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https://www.readbyqxmd.com/read/28209329/prognostic-factors-of-hemorrhagic-complications-after-oxaliplatin-based-hyperthermic-intraperitoneal-chemotherapy-toward-routine-preoperative-dosage-of-von-willebrand-factor
#1
J-B Delhorme, L Sattler, F Severac, E Triki, I Gross, B Romain, S Rohr, L Grunebaum, C Brigand
BACKGROUND: Oxaliplatin-based hyperthermic intraperitoneal chemotherapy (HIPEC-ox) induces specific morbidity with hemorrhagic complications (HC). The aim of this study was to identify preoperative, intraoperative and postoperative HC predictive factors after HIPEC-ox. METHODS: A prospective single center study that included all consecutive patients treated with curative-intent HIPEC-ox, whatever the origin of peritoneal disease, was conducted. All patients underwent systematic blood tests exploring primary hemostasis and endothelial activation before surgical incision (D0) and on postoperative days 2 (POD2) and 5 (POD5)...
February 2, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28192848/low-grade-appendiceal-mucinous-neoplasm-lamn-3-year-endoscopic-follow-up-underlines-benign-course-of%C3%A2-lamn-type-1
#2
Thomas Klag, Jan Wehkamp, Hans Bösmüller, Claudius Falch, Jonas Johannink, Nisar P Malek, Andreas Kirschniak, Martin Goetz
Low-grade appendiceal mucinous neoplasms (LAMNs) are neoplastic lesions with potential progression to pseudomyxoma peritonei (PMP). In most cases, diagnosis is made because of suspected acute appendicitis or incidentally by computed tomography (CT). However, incidental diagnosis during colonoscopy is rare. We present the case of a 63-year-old man with a LAMN type 1 lesion, diagnosed at routine colonoscopy for surveillance of ulcerative colitis. Because in earlier surveillance colonoscopies, this lesion was misinterpreted as fecal polution, for the first time, this case describes retrospectively a 3-year endoscopic follow-up of LAMN type 1, underlining the benign course of these kind of lesions compared to type 2 lesions with submucosal infiltration...
February 2017: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/28166144/retro-orbital-breast-cardiac-skin-and-subcutaneous-metastases-of-neuroendocrine-tumor-from-a-tail-gut-cyst-on-68ga-dotatate-pet-ct-imaging
#3
Emine Acar, Hatice Durak, Sare Kabukcuoğlu, Serap Işiksoy, Gamze Çapa Kaya
Tail gut cysts are rare congenital lesions developing from postanal primitive gut remnants. They are mostly benign but carry a potential of malignant transformation, such as adenocarcinoma, neuroendocrine tumor, adenosquamous carcinoma, and pseudomyxoma peritonei. We present a 39-year-old woman with a neuroendocrine tumor arising within a tail gut cyst. She underwent complete resection in 2011. After 4 years, she was admitted with breast nodules, left proptosis, and gaze difficulties. Ga-DOTATATE PET/CT demonstrated extensive metastases including pelvic, lymph node, adrenal gland, bone, retro-orbital, cardiac, breast, skin, and subcutaneous metastases...
February 3, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28155576/diagnosis-of-pseudomyxoma-peritonei-via-endoscopic-ultrasound-guided-fine-needle-aspiration-a-case-report-and-review-of-literature
#4
Umar Darr, Anas Renno, Turki Alkully, Zubair Khan, Abhinav Tiwari, Waleed Zeb, Jenna Purdy, Ali Nawras
INTRODUCTION: Pseudomyxoma peritonei (PMP) is a rare condition caused by mucinous adenocarcinoma cancerous cells that produce abundance of mucin or gelatinous ascites. This cancer can cause tissue fibrosis and can impair normal organ function. Diagnosis can involve multiple imaging modalities including CT scan. There have been few cases of endoscopic ultrasound (EUS) being used as a means for diagnosis of this condition. Here we report a second case of PMP with a previous history of appendectomy diagnosed with EUS guided fine needle aspiration (FNA) biopsy...
February 3, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28138305/physical-and-chemical-characteristics-of-mucin-secreted-by-pseudomyxoma-peritonei-pmp
#5
Krishna Pillai, Javed Akhter, Ahmed Mekkawy, Terence C Chua, David L Morris
Background: Pseudomyxoma peritonei (PMP) is a rare disease with excess intraperitoneal mucin secretion. Treatment involves laparotomy, cytoreduction and chemotherapy that is very invasive with patients often acquiring numerous compromises. Hence a mucolytic comprising of bromelain and N-acetyl cystein has been developed to solubilise mucin in situ for removal by catherization. Owing to differences in mucin appearance and hardness, dissolution varies. Therefore the current study investigates the inter-mucin physical and chemical characteristics, in order to reformulate an effective mucolytic for all mucin...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28133355/-usefulness-of-transumbilical-laparoscopic-assisted-appendectomy-for-a-suspected-case-of-hydrops-processus-vermiformis
#6
Hiroki Kobayashi, Noriaki Koizumi, Tsuyoshi Takagi, Kanehisa Fukumoto
A-77-year-old man presented to our hospital with high fever and lower abdominal pain. Enhanced CT of the abdomen revealed swelling of the appendix with wall thickening and fluid collection. We diagnosed appendicitis with abscess formation and performed transumbilical laparoscopic-assisted appendectomy after the inflammation improved in response to antibiotics. Operative findings revealed a cystic lesion ofthe appendix and strong adhesion ofthe appendix to the terminal ileum. Based on these operative findings, we changed the operative procedure to a single-incision laparoscopic assisted ileocecal resection because ofthe possibility ofhydrops processus vermiformis...
November 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28133311/-a-case-of-appendiceal-mucinous-cystadenoma-treated-using-laparoscopic-appendectomy
#7
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/28131668/management-of-an-inguinal-hernia-in-patients-with-pseudomyxoma-peritonei
#8
P H Sugarbaker
BACKGROUND: Pseudomyxoma peritonei is a disease that results from a perforated mucinous neoplasm of the appendix so that mucinous ascites and mucin-producing tumor cells are widely disseminated in a characteristic pattern throughout the abdomen and pelvis. The intraabdominal mucus can accumulate in the inguinal canal and by physical examination be indistinguishable from the usual inguinal hernia. METHODS: A database of patients with pseudomyxoma peritonei was used to identify patients who had an inguinal hernia prior to or at the time of cytoreductive surgery (CRS) and perioperative hyperthermic chemotherapy (HIPEC)...
January 6, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28098079/hyperthermic-intraperitoneal-chemotherapy-for-peritoneal-surface-malignancies-a-single-institution-indian-experience
#9
S P Somashekhar, G Prasanna, Rajshekhar Jaka, Amit Rauthan, H S Murthy, Sunil Karanth
BACKGROUND: Cytoreductive surgery followed by hyper- thermic intraperitoneal chemotherapy (HIPEC) has shown better oncological outcomes in peritoneal surface malignancies (PSM). We assessed the feasibility and perioperative outcomes of this procedure in Indian patients. METHODS: In this prospective observational study from February 2013 to April 2015, we included 56 patients (41 females, 73.2%) with PSM. They had a good performance status, were either treatment-naïve or previously treated by surgery and systemic chemotherapy...
September 2016: National Medical Journal of India
https://www.readbyqxmd.com/read/27980743/incidentally-discovered-low-grade-appendiceal-mucinous-neoplasm-a-precursor-to-pseudomyxoma-peritonei
#10
Vennila Padmanaban, William F Morano, Elizabeth Gleeson, Anshu Aggarwal, Beth L Mapow, David E Stein, Wilbur B Bowne
Appendiceal mucoceles (AMs) infrequently arise from an underlying malignancy. Treatment has progressed toward a less aggressive approach over time; they can be managed by appendectomy-only unless pathology reveals malignancy. The ultimate goal of management is to prevent AM rupture, avoiding the syndrome of pseudomyxoma peritonei.
December 2016: Clinical Case Reports
https://www.readbyqxmd.com/read/27955836/mentored-experience-of-establishing-a-national-peritoneal-malignancy-programme-experience-of-first-50-operative-cases
#11
K H Chang, M Kazanowski, O Staunton, R A Cahill, B J Moran, C Shields, J Mulsow
BACKGROUND: Cytoreductive Surgery (CRS) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) are considered standard of care for pseudomyxoma peritonei (PMP) and selected patients with colorectal peritoneal metastases (CPM) or peritoneal mesothelioma. A National Peritoneal Malignancy programme was established in Ireland (population of 4.5 million) in May 2013 with mentoring and support from the Peritoneal Malignancy Institute, Basingstoke UK. This study reviews the operative and oncological outcomes for the first 50 patients who underwent CRS and HIPEC in Ireland...
February 2017: European Journal of Surgical Oncology
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
#12
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/27932775/-experience-in-transumbilical-endoscopic-surgery-diagnosis-for-3-cases-of-pseudomyxoma-peritonei
#13
Li Tian, Anliu Tang, Fen Liu, Shourong Shen, Xiaoyan Wang
Three patients of pseudomyxoma peritonei who were diagnozed by transumbilical endoscopic surgery (TUES) were reviewed retrospectively from September 2014 to November 2014. Three cases of ascites patients underwent TUES were diagnozed as pseudomyxoma peritonei. All operations were successful. No open surgery or laparoscopic surgery was required. The mean operative time was (45±16) min; the mean intraoperative blood loss was 510 mL; the mean hospital stay time was 3 days. During the follow up of 911 months, no obvious scar was observed...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27870702/synchronous-ovarian-and-appendiceal-mucinous-neoplasms-in-the-absence-of-pseudomyxoma-peritonei
#14
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...
February 2017: 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
#15
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...
February 2017: 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
#16
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
#17
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
#18
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
#19
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...
January 2017: 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
#20
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
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