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Pancreatic neoplasm

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https://www.readbyqxmd.com/read/29045075/immunocytochemistry-for-sox-11-and-tfe3-as-diagnostic-markers-for-solid-pseudopapillary-neoplasms-of-the-pancreas-in-fna-biopsies
#1
Wen-Chi Foo, Grant Harrison, Xuefeng Zhang
BACKGROUND: Solid pseudopapillary neoplasms (SPNs) of the pancreas are rare malignant tumors that can be sampled via endoscopic ultrasound-guided fine-needle aspiration (EUS-FNA). Although diagnosing SPNs can be straightforward in cases with a classic morphology and a typical immunoprofile, challenges can occur with morphologic variants or limited specimens. Recently, 2 immunohistochemical stains, SRY-related high-mobility group box 11 (SOX-11) and transcription factor E3 (TFE3), have been demonstrated to be highly sensitive and specific for SPNs in pancreatic resection specimens...
October 16, 2017: Cancer
https://www.readbyqxmd.com/read/29044913/assessment-of-cytologic-differentiation-in-high-grade-pancreatic-neuroendocrine-neoplasms-a-multi-institutional-study
#2
Carlie S Sigel, Vitor Werneck Krauss Silva, Michelle D Reid, David Chhieng, Olca Basturk, Keith M Sigel, Tanisha D Daniel, David S Klimstra, Laura H Tang
BACKGROUND: Well-differentiated (WD) and poorly differentiated (PD) pancreatic neuroendocrine neoplasms are biologically distinct entities with different therapies and prognoses. WD neoplasms with elevated proliferation (Ki-67 > 20%) have been shown to have an overlapping histology with PD neuroendocrine carcinomas. This study compared expert cytomorphologic assessments of differentiation in pancreatic neuroendocrine neoplasms in a multi-institutional study. METHODS: Fine-needle aspiration specimens from pancreatic neuroendocrine neoplasms (grade 2 [G2] and grade 3 [G3] according to the 2017 World Health Organization classification; n = 72) were diagnosed independently by 3 cytopathologists as WD or PD (poorly differentiated large cell type [PD-L] or poorly differentiated small cell type [PD-S]) purely on the basis of cytomorphology...
October 17, 2017: Cancer
https://www.readbyqxmd.com/read/29044541/validation-of-sendai-and-fukuoka-consensus-guidelines-in-predicting-malignancy-in-patients-with-preoperatively-diagnosed-mucinous-pancreatic-cystic-neoplasms
#3
Wentao Zhou, Yadong Xu, Yefei Rong, Wenchuan Wu, Tiantao Kuang, Baobao Xin, Hongxu Zhu, Wenhui Lou, Dansong Wang
BACKGROUND AND OBJECTIVES: The Sendai consensus guidelines (SCG) and Fukuoka consensus guidelines (FCG) have been examined for their roles in predicting advanced neoplasia (AN) in pancreatic cystic neoplasm (PCN) patients with mixed results. We aim to evaluate the utilities of both guidelines in a Chinese cohort with preoperatively diagnosed mucinous PCNs. METHODS: One hundred ninety-seven patients who underwent resections from 2008 to 2015 in Zhong Shan Hospital, Fudan University for suspected PCNs were retrospectively reviewed...
October 16, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29042975/comparison-of-dwibs-t2-image-fusion-and-pet-ct-for-the-diagnosis-of-cancer-in-the-abdominal-cavity
#4
Minoru Tomizawa, Fuminobu Shinozaki, Yoshitaka Uchida, Katsuhiro Uchiyama, Satomi Tanaka, Takafumi Sunaoshi, Daisuke Kano, Eriko Sugiyama, Misaki Shite, Ryouta Haga, Yoshiya Fukamizu, Toshiyuki Fujita, Satoshi Kagayama, Rumiko Hasegawa, Yoshinori Shirai, Yasufumi Motoyoshi, Takao Sugiyama, Shigenori Yamamoto, Naoki Ishige
Fusion images of diffusion-weighted whole-body imaging with background body signal suppression and T2-weighted image (DWIBS/T2) demonstrate a strong signal for malignancies, with a high contrast against the surrounding tissues, and enable anatomical analysis. In the present study, DWIBS/T2 was compared with (18)F-fluorodeoxyglucose ((18)F-FDG) positron emission tomography/computed tomography (PET/CT) for diagnosing cancer in the abdomen. Patient records, including imaging results of examination conducted between November 2012 and May 2014, were analyzed retrospectively...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29040196/carcinoid-syndrome-complicating-a-pancreatic-neuroendocrine-tumor-a-case-report
#5
James N Gerson, Ronald M Witteles, Daniel T Chang, Ramin E Beygui, Andrei H Iagaru, Pamela L Kunz
Neuroendocrine tumors (NETs) comprise a heterogeneous group of neoplasms. These tumors can produce a wide variety of hormones that can lead to syndromes of hormone excess, such as carcinoid syndrome. We present the case of a 47-year-old man who presented with right upper quadrant abdominal pain and emesis. He was found to have metastatic pancreatic NET and was treated with systemic chemotherapy. He subsequently developed dyspnea on exertion and was found to have severe right-sided heart disease secondary to elevated levels of serum serotonin...
November 2017: Pancreas
https://www.readbyqxmd.com/read/29033770/acinar-cell-cystadenocarcinoma-of-the-pancreas
#6
Keita Aoto, Tatsuo Shimura, Yasuhide Kofunato, Ryo Okada, Rei Yashima, Yuichiro Kiko, Seiichi Takenoshita
Acinar cell cystadenocarcinoma is a rare malignant epithelial neoplasm of the pancreas with a diffusely cystic, gross architecture in which the cysts are lined with neoplastic epithelial cells that demonstrate evidence of pancreatic exocrine enzyme production. This is the 10th case that has been reported in the literature. A 77-year-old male complaining of left hypochondrial pain was referred to our hospital for treatment of a pancreatic tumor. A huge, honeycomb-structured tumor was detected in the pancreatic tail...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29033758/resection-of-locally-advanced-pancreatic-neoplasms-after-neoadjuvant-chemotherapy-with-nab-paclitaxel-and-gemcitabine-following-folfirinox-failure
#7
Sarah Hahn, Ahmet Ayav, Anthony Lopez
The incidence of pancreatic cancer has dramatically increased over the past years, but the prognosis has not improved. Between 30 and 40% of tumors are considered locally advanced, essentially due to vascular involvement. In recent years, new chemotherapy protocols with high response rates have been developed. FOLFIRINOX seems to be an interesting option in this situation, but hematologic toxicity could be an obstacle to its prescription. Nab-paclitaxel and gemcitabine offer significant response rates with a reasonable safety profile...
May 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/29024476/prevalence-and-outcomes-of-cystic-lesions-of-the-transplant-pancreas-the-university-of-wisconsin-experience
#8
Talal M Al-Qaoud, Eric J Martinez, Hans W Sollinger, Dixon B Kaufman, Robert R Redfield, Bridget Welch, Glen Leverson, Jon S Odorico
Literature on the behavior of cystic lesions in pancreas transplants is scarce, and hence a better understanding is warranted. Data on recipients and their respective donors that underwent simultaneous kidney and pancreas, pancreas transplant alone, and pancreas after kidney between 1994-2015 were reviewed (n=1185). Cystic lesions of the transplant pancreas developed in 22 patients (1.8%): 12 pseudocysts, 2 cysts/remnants, 4 intraductal papillary mucinous neoplasms (IPMN), 2 adenocarcinomas, 1 low grade intraepithelial pancreatic neoplasia, and 1 case of polycystic kidney disease...
October 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29024280/laparoscopic-pancreaticoduodenectomy-in-brisbane-australia-an-initial-experience
#9
Bhavik Patel, Universe Leung, Jerry Lee, Richard Bryant, Nicholas O'Rourke, David Cavallucci
BACKGROUND: The role of minimally invasive approach for pancreaticoduodenectomy has not yet been well defined in Australia. We present our early experience with laparoscopic pancreaticoduodenectomy (LPD) from Brisbane, Australia. METHODS: Retrospective review in a prospectively collected database of patients undergoing LPD between 2006 and 2016 was performed. Patients who underwent a hybrid LPD (HLPD) mobilization approach and resection followed by open reconstruction and totally LPD (TLPD) approach were included in this study...
October 11, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29022090/radiologic-evaluation-of-patients-undergoing-the-modified-appleby-procedure-for-locally-advanced-pancreatic-neoplasms-a-case-series
#10
Merel A T Vergauwen, Michele Perillo, Alejandro Garces-Descovich, Courtney E Barrows, A James Moser, Koenraad J Mortelé
PURPOSE: Despite advances in medical and surgical care, pancreatic ductal adenocarcinoma remains one of the most locally aggressive neoplastic processes in the abdomen. Unfortunately, most pancreatic adenocarcinomas present late and are unresectable at time of diagnosis. The modified Appleby procedure is a surgical option in patients with locally advanced pancreatic neoplasms of the body and tail with vascular invasion of the celiac trunk. To our knowledge, no radiologic journal has previously reported on the pre-operative evaluation or postoperative imaging findings of such patients...
October 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29022085/rare-pancreatic-tumors
#11
Jonathan Steinman, Atif Zaheer, Michael D Kluger, Helen Remotti, Elizabeth M Hecht
In this review, we will focus on rare pancreatic tumors. Most of these tumors do not have distinct characteristic appearances so the key to diagnosis requires a combination of imaging appearance, laboratory data, patient demographics, and associated medical syndromes in order to narrow the differential diagnosis. Nonetheless, imaging plays a vital role in narrowing the differential and guiding management. While there are many variant pathologic entities that cannot be encompassed by a single review, we aim to illustrate the imaging appearance of less common pancreatic tumors highlighting key distinctive diagnostic characteristics and discuss the implications for management...
October 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/29021473/oncocytic-type-intraductal-papillary-mucinous-neoplasm-of-the-pancreas-with-unusually-low-mucin-production-mimicking-intraductal-tubulopapillary-neoplasm-a-report-of-a-case-diagnosed-by-a-preoperative-endoscopic-biopsy
#12
Yukinari Yoshida, Takao Endo, Eiichi Tanaka, Takefumi Kikuchi, Kimishige Akino, Hiroaki Mita, Yasuyo Adachi, Masahiro Nakamura, Yasushi Adachi, Yoshifumi Ishii, Joe Matsumoto, Satoshi Hirano, Takeo Nitta, Tomoko Mitsuhashi, Yasuo Kato
We herein report the case of a 78-year-old woman with an intraductal tumor with scant mucin production in a moderately dilated main pancreatic duct that resembled an intraductal tubulopapillary neoplasm (ITPN) on imaging. An endoscopic transpapillary forceps biopsy enabled an accurate preoperative diagnosis of the tumor as an oncocytic type intraductal papillary mucinous neoplasm (IPMN) of the pancreas microscopically showing papillary growth consisting of oncocytic cells with a typical mucin expression profile, although with few intraepithelial lumina containing mucin...
October 11, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29019877/a-spontaneous-hematoma-arising-within-an-intrapancreatic-accessory-spleen-a-case-report-and-literature-review
#13
Guo-Dong Shan, Wen-Guo Chen, Feng-Ling Hu, Li-Hua Chen, Jing-Hua Yu, Hua-Tuo Zhu, Qi-Qi Gao, Guo-Qiang Xu
RATIONAL: Hematoma arising within an intrapancreatic accessory spleen (IPAS) is an extremely rare pathological entity. PATIENT CONCERN: We present the case of a 39-year-old man with acute abdominal pain. DIAGNOSES: The patient was initially diagnosed as pancreatic cystic neoplasm according to CT and MRI imaging. INTERVENTIONS: Distal pancreatectomy was conducted because of the possibility of malignancy. OUTCOMES: Surgical resection showed that the lesion was a hematoma in an IPAS...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29017672/surgical-outcome-of-pancreaticoduodenectomy-in-pancreatic-and-periampullary-neoplasms
#14
Muhammad Fahd Shah, Muhammad Taqi Pirzada, Irfan Ul Islam Nasir, Awais Amjad Malik, Umer Farooq, Abdul Wahid Anwer, Shahid Khattak, Muhammad Aasim Yusuf, Amir Ali Syed, Faisal Hanif
OBJECTIVE: To report the results in the surgical treatment of pancreatic and periampullary neoplasms with emphasis on surgical technique, short-term postoperative outcome and the lessons learnt. STUDY DESIGN: Case series. PLACE AND DURATION OF STUDY: This study was carried out at Shaukat Khanum Memorial Cancer Hospital and Research Center, Lahore, from October 2014 to May 2016. METHODOLOGY: Patients undergoing surgical treatment of pancreatic and periampullary neoplasms were selected...
September 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29016404/hepatobiliary-mucinous-cystic-neoplasms-with-ovarian-type-stroma-so-called-hepatobiliary-cystadenoma-cystadenocarcinoma-clinicopathologic-analysis-of-36-cases-illustrates-rarity-of-carcinomatous-change
#15
Brian Quigley, Michelle D Reid, Burcin Pehlivanoglu, Malcolm H Squires, Shishir Maithel, Yue Xue, Choi Hyejeong, Gizem Akkas, Takashi Muraki, David A Kooby, Juan M Sarmiento, Ken Cardona, Aarti Sekhar, Alyssa Krasinskas, Volkan Adsay
The literature is highly conflicting on hepatobiliary mucinous cystic neoplasms (MCNs), aka "hepatobiliary cystadenoma/cystadenocarcinoma," largely because ovarian stroma (OS) was not a requirement until WHO-2010 and is not widely applied even today. In this study, MCNs (with OS) accounted for 24 of 229 (11%) resected hepatic cysts in one institution. Eight of the 32 (25%) cysts that had been originally designated as hepatobiliary cystadenoma/cystadenocarcinoma at the time of diagnosis proved not to have an OS during this review and were thus re-classified as non-MCN...
October 12, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28990381/enucleation-of-non-invasive-tumors-in-the-proximal-pancreas-indications-and-outcomes-compared-with-standard-resections
#16
Wen-Jie Lu, Hao-Lei Cai, Ma-Dong Ye, Yu-Lian Wu, Bin Xu
OBJECTIVE: The aim of this study was to evaluate the safety and efficiency of enucleation (EU) for proximal pancreatic non-invasive neoplasms. METHODS: Patients with solitary non-invasive neoplasms in the proximal pancreas from January 1998 to April 2014 at the Second Affiliated Hospital of Zhejiang University, Hangzhou, China were included. Different operations and outcomes were analyzed. RESULTS: A total of 123 patients were enrolled. Forty patients (32...
2017: Journal of Zhejiang University. Science. B
https://www.readbyqxmd.com/read/28988410/a-case-of-macrocystic-type-serous-cystic-neoplasm-with-repeated-pancreatitis-within-a-short-period-of-time
#17
Akihiko Kida, Yukihiro Shirota, Tsuyoshi Suda, Yuji Houdo, Katsuaki Sato, Tokio Wakabayashi
The patient was a 39-year-old woman in whom computed tomography (CT) in 201X had revealed a pancreatic cystic neoplasm (PCN) of 4.3 cm in diameter in the pancreatic body. In June 201X + 3, the patient consulted our hospital regarding severe acute pancreatitis. The condition improved through treatment with large-volume fluid replacement and continuous regional arterial infusion therapy. Thereafter, acute pancreatitis recurred twice, in November 201X + 3 and in January 201X + 4. During an 8-month period, acute pancreatitis occurred three times...
October 7, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28979722/pancreatic-adenosquamous-carcinoma-and-intraductal-papillary-mucinous-neoplasm-in-a-cdkn2a-germline-mutation-carrier
#18
Fernando Martínez de Juan, María Reolid Escribano, Carmen Martínez Lapiedra, Fernanda Maia de Alcantara, María Caballero Soto, Ana Calatrava Fons, Isidro Machado
A 69-year-old woman from a kindred with familial atypical multiple mole melanoma and carrier of a germline mutation in CDKN2A, presented with abdominal pain caused by a solid-cystic pancreatic mass. The patient had an abdominal computed tomography three years before in which there was no evidence of pancreatic lesion. The endoscopic ultrasound guided fine needle aspiration showed adenocarcinoma with squamous component. After surgical resection the final diagnosis was adenosquamous pancreatic carcinoma (ASPC) arising in an intraductal papillar mucinous neoplasm (IPMN)...
September 15, 2017: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28977937/overexpression-of-mir-135b-5p-promotes-unfavorable-clinical-characteristics-and-poor-prognosis-via-the-repression-of-sfrp4-in-pancreatic-cancer
#19
Xu Han, Hexige Saiyin, Junjie Zhao, Yuan Fang, Yefei Rong, Chenye Shi, Wenhui Lou, Tiantao Kuang
Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive and malignant neoplasm. The aberrant expression of miR-135b-5p and secreted frizzled-related protein 4 (SFRP4) has been revealed to be involved in various cancers. However, the clinical significance of miR-135b-5p and that of its potential target SFRP4 in PDAC remain to be elucidated. Here, we found that miR-135b-5p was markedly upregulated in pancreatic cancer tissue compared with corresponding adjacent normal tissue, whereas SFRP4 was significantly downregulated...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28975822/multimodality-management-of-borderline-resectable-pancreatic-neuroendocrine-tumors-report-of-a-single-institution-experience
#20
Chenwi M Ambe, Phuong Nguyen, Barbara A Centeno, Junsung Choi, Jonathan Strosberg, Larry Kvols, Pamela Hodul, Sarah Hoffe, Mokenge P Malafa
BACKGROUND: Pancreatic neuroendocrine tumors (PanNETs) constitute approximately 3% of pancreatic neoplasms. Like patients with pancreatic ductal adenocarcinoma (PDAC), some of these patients present with "borderline resectable disease." For these patients, an optimal treatment approach is lacking. We report our institution's experience with borderline resectable PanNETs using multimodality treatment. METHODS: We identified patients with borderline resectable PanNETs who had received neoadjuvant therapy at our institution between 2000 and 2013...
October 2017: Cancer Control: Journal of the Moffitt Cancer Center
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