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Cystic pancreatic tumors

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https://www.readbyqxmd.com/read/29916484/eus-diagnosis-of-cystic-pancreatic-neuroendocrine-tumors
#1
Tony Li-Geng, Guoping Cai, Harry R Aslanian
No abstract text is available yet for this article.
March 2018: VideoGIE: an official video journal of the American Society for Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29903633/incidence-and-reasons-of-pancreatic-resection-in-patients-with-asymptomatic-serous-cystadenoma
#2
Carlo Lombardo, Sara Iacopi, Francesca Menonna, Niccolò Napoli, Emanuele Kauffmann, Juri Bernardini, Andrea Cacciato Insilla, Piero Boraschi, Francescamaria Donati, Carla Cappelli, Daniela Campani, Davide Caramella, Ugo Boggi
BACKGROUND/OBJECTIVES: Despite diagnostic refinements, pancreatic resection (PR) is eventually performed in some patients with asymptomatic serous cystadenoma (A-SCA). The aim of this study was to define incidence and reasons of PR in A-SCA. METHODS: A retrospective analysis of a prospectively maintained database was performed for all the patients referred for pancreatic cystic lesions (PCL) between January 2005 and March 2016. RESULTS: Overall, there were 1488 patients with PCL, including 1271 (85...
June 8, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29899320/pancreatic-cystic-lesions-pathogenesis-and-malignant-potential
#3
REVIEW
Antoinette J Pusateri, Somashekar G Krishna
Pancreatic cancer remains one of the most lethal cancers despite extensive research. Further understanding of precursor lesions may enhance the ability to treat and prevent pancreatic cancer. Pancreatic cystic lesions (PCLs) with malignant potential include: mucinous PCLs (intraductal papillary mucinous neoplasms and mucinous cystic neoplasm), solid pseudopapillary tumors and cystic neuroendocrine tumors. This review summarizes the latest literature describing what is known about the pathogenesis and malignant potential of these PCLs, including unique epidemiological, radiological, histological, genetic and molecular characteristics...
June 13, 2018: Diseases (Basel)
https://www.readbyqxmd.com/read/29882386/steroidogenesis-in-ovarian-like-mesenchymal-stroma-of-hepatic-and-pancreatic-mucinous-cystic-neoplasms
#4
Hiroyuki Kumata, Keigo Murakami, Kazuyuki Ishida, Shigehito Miyagi, Atsushi Arakawa, Yoshiaki Inayama, Keiichi Kinowaki, Atsushi Ochiai, Motohiro Kojima, Michiyo Higashi, Suzuko Moritani, Kyoko Kuwahara, Yukio Nakatani, Dai Kajiura, Gen Tamura, Hiroshi Kijima, Mitsunori Yamakawa, Taizo Shiraishi, Yukinori Inadome, Kazuhiro Murakami, Hiroyoshi Suzuki, Takashi Sawai, Michiaki Unno, Takashi Kamei, Hironobu Sasano
Mucinous cystic neoplasms (MCNs) occur in the ovary, pancreas and retroperitoneum but very rarely in the liver. MCNs are known to harbor ovarian-like mesenchymal stroma (OLS) expressing progesterone- and estrogen receptors. In this study we evaluated steroidogenesis in OLS of 25 hepatic MCNs and 24 pancreatic MCNs. Both steroid receptors and steroidogenic factors were immunohistochemically evaluated using H-score and results were compared with those in 15 ovarian MCNs and 10 normal ovaries. Androgen receptor (AR) H-scores in OLS were significantly higher in hepatic, pancreatic and ovarian MCN than those in normal ovaries...
June 7, 2018: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/29875959/a-case-of-brunner-s-gland-adenoma-mimicking-tumors-induced-from-head-of-the-pancreas
#5
Hasan Bostanci, Kursat Dikmen, Ozgur Ekinci, Cagrι Buyukkasap, Mustafa Kerem
Brunner's Gland Adenoma is a very rarely seen benign tumor of duodenum. While it generally leads to obstruction and bleeding complaints, it may very rarely occur by mimicking a pancreatic tumor. A 48 years old male patient admitted to the gastroenterology clinic due to the epigastric pain spreading dorsally. No significant feature is present in his clinical history. A lesion containing cystic solid components in the size of 30x40 mm was detected in the head of pancreas as a result of the abdominal tomography...
2018: Pan African Medical Journal
https://www.readbyqxmd.com/read/29848431/vascular-resection-and-reconstruction-in-pancreatic-tumours
#6
Sadaf Batool, Awais Amjad Malik, Hassaan Bari, Irfan Ul Islam, Faisal Hanif
Option for borderline resectable pancreatic cancer is pancreaticoduodenectomy (PD) with vascular resection and reconstruction. We would like to share our experience of vascular reconstruction. First patient was a 51-year male with pancreatic head carcinoma, involving posterior wall of portal vein (PV) and replacing right hepatic artery (RHA). Along with PD, he underwent PV and RHA resection and reconstruction. Second case was a 33-year female who had distal pancreatic cyst and PV-splenic vein junction involved by tumor...
June 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29848384/anaplastic-carcinoma-of-the-pancreas-diagnosed-by-endoscopic-ultrasound-guided-fine-needle-aspiration-a-case-report-and-review-of-the-literature
#7
Kohei Oka, Ken Inoue, Satoshi Sugino, Taishi Harada, Toshifumi Tsuji, Shingo Nakashima, Takayuki Katayama, Takashi Okuda, Syuichi Kin, Akihiro Nagata, Toshiyuki Komaki, Keizo Kagawa
BACKGROUND: Anaplastic carcinoma of the pancreas is a rare pancreatic neoplasm with a poor prognosis. It is classified as a variant of ductal adenocarcinoma, but the clinical features and treatment of it remain unknown because of its rarity and aggressiveness. Endoscopic ultrasonography and endoscopic ultrasound-guided fine-needle aspiration are useful techniques for the diagnosis of pancreatic tumors with high sensitivity and specificity. CASE PRESENTATION: A 72-year-old Japanese woman presented with a diagnosis of acute pancreatitis, and a cystic lesion with slightly high density area was observed by computed tomography in her pancreatic head...
May 31, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29805263/laparoscopic-spleen-preserving-pancreatic-resection-for-epidermoid-cyst-in-an-intrapancreatic-accessory-spleen-case-report-and-literature-review
#8
Bo Zhou, Qiyi Zhang, Canyang Zhan, Yuan Ding, Sheng Yan
Introduction: An epidermoid cyst in an intrapancreatic accessory spleen (ECIPAS) is a rare non-neoplastic cyst, typically occurring in the pancreatic tail. It is difficult to preoperatively differentiate ECIPAS from other types of pancreatic neoplastic cysts. Case presentation: We herein report a case of a 32-year-old man with a cystic tumor in the tail of the pancreas. The patient underwent a laparoscopic spleen-preserving distal pancreatectomy, and histological examination revealed the presence of ECIPAS...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29787423/autoimmune-granulomatous-inflammation-of-lacrimal-glands-and-axonal-neuritis-following-treatment-with-ipilimumab-and-radiation-therapy
#9
Ecaterina Ileana Dumbrava, Veronica Smith, Rasha Alfattal, Adel K El-Naggar, Marta Penas-Prado, Apostolia M Tsimberidou
Immune checkpoint inhibitors such as anti-CTLA-4 (cytotoxic T-lymphocyte-associated protein 4), anti PD-1 (programmed cell death protein 1) and PD-L1 (programmed cell death protein-ligand 1) monoclonal antibodies are emerging as standard oncology treatments in various tumor types. The indications will expand as immunotherapies are being investigated in various tumors with promising results. Currently, there is inadequate identification of predictive biomarkers of response or toxicity. Unique response patterns include pseudoprogression and delayed response...
May 21, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29771769/systemic-chemotherapy-for-advanced-rare-pancreatic-histotype-tumors-a-retrospective-multicenter-analysis
#10
Oronzo Brunetti, Giuseppe Aprile, Paolo Marchetti, Enrico Vasile, Andrea Casadei Gardini, Mario Scartozzi, Sandro Barni, Sara Delfanti, Fernando De Vita, Francesco Di Costanzo, Michele Milella, Chiara Alessandra Cella, Rossana Berardi, Ivana Cataldo, Aldo Scarpa, Debora Basile, Federica Mazzuca, Giusi Graziano, Antonella Argentiero, Daniele Santini, Michele Reni, Stefano Cascinu, Nicola Silvestris
OBJECTIVES: Two issues were put forth by clinicians in the management of the advanced stages of rare variants of pancreatic ductal adenocarcinoma and other exocrine histotypes with peculiar clinical and pathological features: Do chemotherapy regimens recommended in pancreatic ductal adenocarcinoma patients have a clinical activity in rare pancreatic tumors? Or should other chemotherapy combinations be considered in this subset of patients? METHODS: We conducted a multicenter retrospective study that collected data from 2005 to 2016 at 14 Italian cancer centers with the aim to evaluate tumor response and time to progression for first- and second-line and overall survival...
May 15, 2018: Pancreas
https://www.readbyqxmd.com/read/29760585/mir-93-5p-enhance-lacrimal-gland-adenoid-cystic-carcinoma-cell-tumorigenesis-by-targeting-brms1l
#11
Jie Hao, Xin Jin, Yan Shi, Hong Zhang
Background: Lacrimal adenoid cystic carcinoma (LACC) is one of the most common malignancies that affects lacrimal gland. MicroRNAs are known to play a crucial role as oncogenes or tumor suppressors. Specifically, miR-93 has been reported to play a crucial role in colorectal, breast, pancreatic, lung cancer and hepatocellular carcinoma. However, the role of miR-93 in LACC and the potential molecular mechanisms involved remain unknown. Therefore, we took the challenge to determine the involvement of miR-93 in the LACC by targeting BRMS1L...
2018: Cancer Cell International
https://www.readbyqxmd.com/read/29753278/adult-pancreatoblastoma-a-case-report-and-clinicopathological-review-of-the-literature
#12
Menglin Chen, Haijie Zhang, Yixin Hu, Kai Liu, Yanjia Deng, Yuanmeng Yu, Yulan Wu, Anqi Qi, Yingjia Li, Ge Wen
PURPOSE: Our purpose was to report a case of adult pancreatoblastoma, and review the literature in order to assist clinicians in the management of the disease. MATERIALS AND METHODS: The demographic, clinical, and imaging findings of 41 patients with pathologically proven pancreatoblastoma from 1986 to 2017 identified in PubMed were reviewed. The key words used for searching PubMed were: "pancreatoblastoma", "pancreatic tumor", and "adult pancreatoblastoma...
May 4, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/29751773/an-unusual-finding-in-a-desmoid-type-fibromatosis-of-the-pancreas-a-case-report-and-review-of-the-literature
#13
Joseph Clarence Torres, Chen Xin
BACKGROUND: Desmoid-type fibromatoses are rare benign and fibrous tumors that account for approximately 0.03% of total neoplasms. Within this category of neoplasms, pancreatic desmoid-type fibromatosis is an extremely rare subgroup, accounting for approximately 5% of desmoid-type fibromatoses. Although the etiology is unknown, some risk factors include trauma, surgery, family history of desmoid tumor, pregnancy, use of contraceptives, genetic mutation, and familial adenomatous polyposis or Gardner syndrome...
May 12, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29732356/clinical-significance-of-pancreatic-intraepithelial-neoplasia-in-resectable-pancreatic-cancer-on-survivals
#14
Da-Young Yu, Young-Dong Yu, Wan-Bae Kim, Hyung-Joon Han, Sae-Byul Choi, Dong-Sik Kim, Sang-Yong Choi, Joo-Young Kim, Hyeyoon Chang, Baek-Hui Kim
Purpose: Noninvasive precursor lesions for pancreatic adenocarcinoma include pancreatic intraepithelial neoplasia (PanIN), intraductal papillary mucinous neoplasm, and mucinous cystic neoplasm. PanIN is often found synchronously adjacent to resected pancreatic ductal adenocarcinoma (PDAC) tumors. However, its prognostic significance on outcome after PDAC resection is unknown. The purpose of the current study was to determine if the presence of PanIN has a prognostic or predictive effect on survival after resection for PDAC with curative intent...
May 2018: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29725534/middle-segment-pancreatectomy-for-a-solid-serous-cystadenoma-diagnosed-by-mrcp-and-review-of-the-literature-a-case-report
#15
Yuichiro Okumura, Takehiro Noda, Hidetoshi Eguchi, Yoshifumi Iwagami, Daisaku Yamada, Tadafumi Asaoka, Koichi Kawamoto, Kunihito Gotoh, Shogo Kobayashi, Koji Umeshita, Yasuji Hashimoto, Yutaka Takeda, Masahiro Tanemura, Minoru Shigekawa, Eiichi Morii, Tetsuo Takehara, Masaki Mori, Yuichiro Doki
Solid serous cystadenoma of the pancreas is the rarest subtype of serous cystadenoma. Cystic structures are difficult to recognize by imaging studies. In the clinical setting, it is crucial to discriminate a solid serious cystadenoma from other solid pancreatic tumors. The present study reported a case of solid serous cystadenoma in which the magnetic resonance cholangiopancreatography (MRCP) findings were useful for diagnosis and decision-making regarding the surgical strategy, with a review of the previous reports of solid serous cystadenoma...
May 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29697072/pancreatic-ductal-adenocarcinoma-masquerading-as-a-serous-cystic-tumor-with-videos
#16
Takeshi Ogura, Miyuki Imanishi, Atsushi Okuda, Tadahiro Yamada, Kazuhide Higuchi
No abstract text is available yet for this article.
April 24, 2018: Endoscopic Ultrasound
https://www.readbyqxmd.com/read/29695287/the-importance-of-endoscopic-ultrasound-fine-needle-aspiration-in-the-diagnosis-of-solid-pseudopapillary-tumor-of-the-pancreas-two-case-reports
#17
Diogo Turiani Hourneaux De Moura, Martin Coronel, Igor Braga Ribeiro, Galileu Ferreira Ayala Farias, Maria Auxiliadora Choez, Rodrigo Rocha, Marcello Pecoraro Toscano, Eduardo Guimarães Hourneaux De Moura
BACKGROUND: Solid pseudopapillary tumor of the pancreas, otherwise known as solid and cystic tumor or Frantz tumor, is an unusual form of pancreatic carcinoma, with unknown etiopathogenesis, that accounts for 0.2 to 2.7% of all pancreatic tumors. It is defined as an exocrine pancreatic neoplasia that mainly affects women between the second and third decade of life, and its management is not well defined. Endoscopic ultrasound offers a key anatomical advantage in accessing the pancreas and endoscopic ultrasound fine-needle aspiration has become the gold standard method for the diagnosis of pancreatic lesions...
April 26, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29694655/pseudo-papillary-and-solid-tumor-of-the-pancreas-a-rare-tumor-and-a-difficult-diagnosis
#18
Esma Leila Gouta, Mehdi Khalfallah, Hichem Jerraya, Wejih Dougaz, Ramzi Nouira, Chadli Dziri
The pseudopapillary and solid tumor of the pancreas is a rare disease that accounts for 2% of pancreatic tumors. It affects mainly young, female adults. The clinical features are not specific, hence the diagnostic difficulty and the importance of imaging. The diagnosis is based on pathological examination coupled with immunohistochemistry. The aim of our work was to report the difficulty of the diagnostic procedure in a patient with a pancreatic cystic tumor.
July 2017: La Tunisie Médicale
https://www.readbyqxmd.com/read/29693047/pancreatic-hif2%C3%AE-stabilization-leads-to-chronic-pancreatitis-and-predisposes-to-mucinous-cystic-neoplasm
#19
Heather K Schofield, Manuj Tandon, Min-Jung Park, Christopher J Halbrook, Sadeesh K Ramakrishnan, Esther C Kim, Jiaqi Shi, M Bishr Omary, Yatrik M Shah, Farzad Esni, Marina Pasca di Magliano
Background & Aims: Tissue hypoxia controls cell differentiation in the embryonic pancreas, and promotes tumor growth in pancreatic cancer. The cellular response to hypoxia is controlled by the hypoxia-inducible factor (HIF) proteins, including HIF2α. Previous studies of HIF action in the pancreas have relied on loss-of-function mouse models, and the effects of HIF2α expression in the pancreas have remained undefined. Methods: We developed several transgenic mouse models based on the expression of an oxygen-stable form of HIF2α, or indirect stabilization of HIF proteins though deletion of von Hippel-Lindau, thus preventing HIF degradation...
2018: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29690869/concurrent-presentation-of-an-intraductal-tubulopapillary-neoplasm-and-intraductal-papillary-mucinous-neoplasm-in-the-branch-duct-of-the-pancreas-with-a-superior-mesenteric-artery-aneurysm-a-case-report
#20
Kenta Inomata, Minoru Kitago, Hideaki Obara, Yoko Fujii-Nishimura, Masahiro Shinoda, Hiroshi Yagi, Yuta Abe, Taizo Hibi, Kentaro Matsubara, Go Oshima, Yasuhito Sekimoto, Masazumi Inoue, Osamu Itano, Michiie Sakamoto, Yuko Kitagawa
BACKGROUND: Since the concept of intraductal tubulopapillary neoplasm (ITPN) was introduced in the current World Health Organization classification of tumors, the number of reports of ITPN occurrence has increased gradually. However, ITPN is usually located in the main pancreatic duct, with few reports of a branch duct ITPN. As a result, imaging protocols for the diagnosis of a branch duct ITPN have not been established. CASE PRESENTATION: We report a case of a concurrent presentation of a branch duct ITPN and intraductal papillary mucinous neoplasm (IPMN) in the head of the pancreas, with a superior mesenteric artery (SMA) aneurysm...
April 24, 2018: World Journal of Surgical Oncology
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