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cystic lesions of the pancreas

Chungen Lan, Xin Li, Xiuchao Wang, Jihui Hao, He Ren
Objective: Cystic lesions of the pancreas have been increasingly recognized. Some lesions exhibit benign behavior, while others have unequivocal malignant potential. Thus, accurate identification of malignancy in patients diagnosed with pancreatic cystic neoplasms (PCNs) remains a major challenge. The aim of this study was to define a combined criterion to better predict malignant lesions in patients with PCNs. Methods: We retrospectively analyzed 165 patients who underwent resection of PCNs from October 2011 to May 2017...
February 2018: Cancer Biology & Medicine
Rong-Xing Zhou, Hai-Jie Hu, Wen-Jie Ma, Yong Jiang, Fu-Yu Li
RATIONALE: Pancreatic alveolar echinococcosis (AE) is an exceptionally rare disease; no more than 10 cases have been published to date. It is characterized as extensive local tissue infringement and destruction; thus, extended surgical resection, such as duodenopancreatectomy, is often needed to obtain a negative resection margin so as to improve the long-term outcome and prognosis. PATIENT CONCERNS: A middle-aged Tibetan man was admitted due to a 16-year history of recurrent pain in the right upper abdomen...
March 2018: Medicine (Baltimore)
Uayporn Kaosombatwattana, Yoshiki Hirooka, Hiroki Kawashima, Eizaburo Ohno, Takuya Ishikawa, Hiroki Suhara, Hidemi Goto
Endoscopic ultrasound is increasingly being used for evaluation of pancreatic diseases and pancreatic tumors. Among various pancreatic cystic lesions, cystic degeneration of pancreatic neuroendocrine neoplasm is of the challenge in making diagnosis. Although unique characteristic of each type of pancreatic cystic lesions has been proposed abundantly, typical morphology of cystic degeneration of pancreatic neuroendocrine neoplasm is still unclear. We, herein, reported a case of 66-year-old woman who was incidentally found to have a cystic lesion in the tail of pancreas upon screening transabdominal ultrasonography...
March 13, 2018: Clinical Journal of Gastroenterology
Vincent P Groot, Sameer S Thakker, Georgios Gemenetzis, Michaël Noë, Ammar A Javed, Richard A Burkhart, Behnoud B Noveiry, John L Cameron, Matthew J Weiss, Christopher J VandenBussche, Elliot K Fishman, Ralph H Hruban, Christopher L Wolfgang, Anne Marie Lennon, Jin He
BACKGROUND: Lymphoepithelial cysts (LECs) are rare pancreatic cystic lesions. Since LECs are benign, preoperative diagnosis is important to differentiate from a cystic neoplasm and avoid unnecessary surgery. The aim of this study was to identify clinical, radiographic and cytopathologic features associated with LECs. METHODS: A retrospective review was performed of patients diagnosed with LEC between 1995 and 2017 at our hospital. Clinicopathologic and radiographic imaging features were documented...
March 9, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
Juri Ikemoto, Keiji Hanada, Tomoyuki Minami, Akihito Okazaki, Tomoyuki Abe, Hironobu Amano, Shuji Yonehara
OBJECTIVES: Most patients with pancreatic cancer (PC) demonstrate recurrences in the form of metastatic disease. We prospectively evaluated recurrence in PC cases diagnosed at an early stage. METHODS: Thirty cases of PC stage 0 or IA were prospectively followed for at least 1 year after initial surgery. We performed blood tests and contrast-enhanced computed tomography (CT) every 3 to 6 months. Endoscopic ultrasonography (EUS) was performed if CT revealed abnormal findings in the remnant pancreas (RP)...
April 2018: Pancreas
Hyeonseung Hwang, Jeong-Sik Yu, Eun-Suk Cho, Joo Hee Kim, Jae-Joon Chung
Our purpose was to assess the endoscopic ultrasonography (EUS) features of serous cystic neoplasms (SCNs) of the pancreas in determining the surgical removal compared with computed tomography (CT) and magnetic resonance imaging (MRI) features. For 33 consecutive patients with 34 surgically confirmed SCNs over the past 11 years, preoperative EUS features were compared with those of CT and MRI (CT&MRI). Besides the lesion size and location, a retrospective analysis of the various imaging features was performed by 2 observers to understand the characteristics that determine the need for surgical intervention in terms of multiplicity of locules, calcification, mural thickening, mural nodules, ductal communication, and main pancreatic duct dilatation in addition to the gross morphologic type: microcystic, macrocystic (>1 cm), mixed, or solid...
March 5, 2018: Ultrasound Quarterly
Hiroaki Seki, Nobutaka Yasui, Akihiko Shimada, Hidetoshi Matsumoto
We herein report a 75-year-old woman who presented with an intraductal papillary mucinous carcinoma(IPMC)who was treated with surgical resection 4 years after the initial diagnosis was made. She previously underwent a high anterior resection of the rectum for rectal cancer at 71 years of age. Preoperative CT revealed a multilocular cystic mass measuring 6 cm in size in the body of the pancreas, which was considered benign. We followed up the intraductal papillary mucinous neoplasm(IPMN) by using annual CT imaging for 4 years...
February 2018: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Ling Hui, Asif Rashid, Wai Chin Foo, Matthew H Katz, Deyali Chatterjee, Hua Wang, Jason B Fleming, Eric P Tamm, Huamin Wang
Mucinous cystic neoplasm (MCN) of pancreas is one of the precursor lesions of pancreatic ductal adenocarcinoma. The 5-year disease-specific survival for noninvasive MCNs was 100% and 20% to 60% for those with pancreatic ductal adenocarcinoma arising in a MCN. However, the significance of T1a (≤0.5 cm) and T1b (>0.5 and <1.0 cm) carcinoma arising in MCN as defined by the upcoming American Joint Committee on Cancer, eighth edition is unclear. In this study, we examined 3 cases of MCN with T1a or T1b carcinoma and compared their clinicopathologic characteristics and survival to 46 cases of MCN with low-grade dysplasia (MCN-LGD), 7 cases of MCN with high-grade dysplasia (MCN-HGD), and 7 cases of MCN with advanced invasive carcinoma (T2 or higher T stage)...
February 16, 2018: American Journal of Surgical Pathology
Matthias Hermann Christian Pfahler, Wolfgang Kratzer, Michael Leichsenring, Tilmann Graeter, Stefan Andreas Schmidt, Inka Wendlik, Elisabeth Lormes, Julian Schmidberger, Dorit Fabricius
PURPOSE: Manifestations of cystic fibrosis in the pancreas are gaining in clinical importance as patients live longer. Conventional ultrasonography and point shear wave elastography (pSWE) imaging are non-invasive and readily available diagnostic methods that are easy to perform. The aim of this study was to perform conventional ultrasonography and obtain pSWE values in the pancreases of patients with cystic fibrosis and to compare the findings with those of healthy controls. METHODS: 27 patients with cystic fibrosis (13 women/14 men; mean age 27...
February 19, 2018: Abdominal Radiology
Diogo Turiani Hourneaux De Moura, Martin Coronel, Danielle Azevedo Chacon, Ryan Tanigawa, Dalton M Chaves, Sérgio E Matuguma, Marcos E Lera Dos Santos, José Jukemura, Eduardo Guimarâes Hourneaux De Moura
Pancreatic cancer is the second most common malignancy of the gastrointestinal tract in the US, and adenocarcinoma has been identified as the most common type of pancreatic cancer. Different types of pancreatic cancers have been classified: adenocarcinoma, ductal adenosquamous carcinoma, solid pseudopapillary tumors, endocrine neoplasms, acinar cell carcinoma, squamous cell carcinoma, cystic tumors, primary lymphoma of the pancreas, and metastatic lesions of the pancreas. Adenosquamous carcinoma is extremely rare, behave in a very aggressive way and is responsible for the 1 to 4% of the pancreatic exocrine neoplastic lesions...
October 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
Stefan Fritz, Regina Küper-Steffen, Katharina Feilhauer, Christoph M Sommer, Götz M Richter, René Hennig, Jörg Köninger
RATIONALE: Intraductal papillary mucinous neoplasms of the pancreas (IPMNs) are benign cystic tumors with a relevant risk of malignant transformation over time. Currently, follow-up after surgical resection of benign IPMNs remains controversial. PATIENT CONCERNS: This is a case report of a 68-year-old male who underwent pancreatic head resection for a multicystic side-branch IPMN with low-grade epithelial dysplasia in March 2009 at the Katharinenhospital Stuttgart, Germany...
February 2018: Medicine (Baltimore)
Kazuhide Shimamatsu, Yoshiki Naito, Yutaro Mihara, Masamichi Nakayama, Masahiko Tanigawa, Yushi Abe, Ken Nakamura, Toshihiro Araki, Kenji Sakata, Kazunori Noguchi, Jun Akiba, Hirohisa Yano, Osamu Nakashima
The present case study documents an autopsy case of granulocyte-colony stimulating factor (G-CSF)-producing mucinous cystic neoplasm (MCN), with an associated invasive carcinoma of the pancreas. A 65-year-old woman presented to Omuta City Hospital (Omuta Japan) with a primary complaint of abdominal pain. Multiple liver nodules and a pancreatic cyst were detected upon abdominal computed tomography. Initially, liver abscess was suspected as the patient exhibited leukocytosis and elevated C-reactive protein level...
February 2018: Oncology Letters
Saurabh S Mukewar, Ayush Sharma, Nissy Phillip, Ridhi Gupta, Anupama Aryal-Khanal, Nicolo de Pretis, Vincent Anani, Felicity T Enders, Joseph J Larson, Naoki Takahashi, Michael J Levy, Mark Topazian, Randall K Pearson, Santhi S Vege, Suresh T Chari
BACKGROUND & AIMS: A diagnosis of pancreatic cancer in a first-degree relative increases an individuals' risk of this cancer. However, it is not clear whether this cancer risk increases in individuals with pancreatic cystic lesions who have a first-degree relative with pancreatic cancer. The Fukuoka criteria are used to estimate risk of pancreatic cancer for patients with pancreatic cystic lesions: individuals with cysts with high risk or worrisome features (Fukuoka positive) have a higher risk of pancreatic cancer than individuals without these features (Fukuoka negative)...
February 6, 2018: Clinical Gastroenterology and Hepatology
Maxime Hamon, Pierre Balladur, Jean-François Fléjou
Simple mucinous cyst of the pancreas is an unusual pancreatic cyst, first described by Kosmahl et al. in 2002 with 5 cases. We describe a case of simple mucinous cyst of the pancreas, followed by a literature review. The physiopathology of this cyst is still unclear. It is an epithelial cyst, presenting as unilocular cystic lesion of the pancreatic body or tail, with a clear content, and no communication with the pancreatic duct. Microscopically, the cyst is lined by mucin-producing cells with mild atypia, and contains a fibrous wall without ovarian-like stroma...
February 4, 2018: Annales de Pathologie
Takashi Noma, Hajime Hirose, Yoshito Ide, Hiroki Imamura, Yuriko Yagi, Yukako Mokutani, Yasuji Hashimoto, Kenichi Nagai, Jin Matsuyama, Masaru Kubota, Yukio Fukushima, Shigeyuki Tamura, Yo Sasaki
A 70's woman with a history of abdominal surgery for gastric cancer visited our hospital for the evaluation of bleeding during defecation.We diagnosed her with advanced rectal cancer and performed laparoscopic low anterior resection.As postoperative pathological staging was pT3N2M0, pStage III b, we included CapeOx therapy as adjuvant chemotherapy.One year and 4 months after the surgery, lung and liver metastases were revealed by CT and PET-CT scans.At the same time, dilatation of the main pancreatic duct(intraductal papillary mucinous neoplasm: IPMN)was detected...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Feng Guo, Junli Wu, Yunpeng Peng, Min Tu, Bin Xiao, Cuncai Dai, Kuirong Jiang, Wentao Gao, Qiang Li, Jishu Wei, Jianmin Chen, Chunhua Xi, Zipeng Lu, Yi Miao
RATIONALE: Black pleural effusion (BPE) is an extremely uncommon type of pleural fluid, which can be due to infection, primary or metastatic malignancy, and hemorrhage. As reported in previous studies, BPE is also observed in some patients with pancreatic pseudocyst. PATIENT CONCERNS: We herein reported a case of a 14-year-old female patient who was admitted to our center with a history of cough for 1 and a half months and right chest pain for 1 month. Before this, she was consecutively hospitalized in 3 different hospitals due to the same symptoms...
December 2017: Medicine (Baltimore)
Corina Lupascu-Ursulescu, Ana-Maria Trofin, Mihai Zabara, Alexandra Vornicu, Ramona Cadar, Oana Apopei, Gabriela Stefanescu, Cristian Lupascu
INTRODUCTION: Bleeding from isolated gastric varices, though uncommon, may be life threatening and may occur as a consequence of splenic vein thrombosis by tumoral compression and subsequent left-sided portal hypertension. CASE OVERVIEW: We report the case of a 37-year old woman, previously diagnosed with a benign pancreatic cyst, who presented with severe gastric variceal bleeding. DIAGNOSIS, THERAPEUTICS INTERVENTIONS, AND OUTCOMES: Abdominal ultrasound (US) and computed-tomography (CT) revealed enlargement and changed morphology of the cystic tumor located on the body of the pancreas...
November 2017: Medicine (Baltimore)
Vicente Morales-Oyarvide, Zhi Ven Fong, Carlos Fernández-Del Castillo, Andrew L Warshaw
Intraductal papillary mucinous neoplasms (IPMN) are cystic neoplasms with the potential for progression to pancreatic cancer. Recognized by the global medical community just over two decades ago, IPMN have gained great epidemiological and clinical relevance thanks to the widespread use of cross-sectional abdominal imaging, which has led to a surge in the number of incidental pancreatic cysts being diagnosed. As our understanding of this disease has improved, we now know that some IPMN have a very elevated risk of cancer and require surgical resection, while others are low-risk lesions and can be followed...
December 2017: Visceral Medicine
Laura Uribarri-Gonzalez, Margaret G Keane, Stephen P Pereira, Julio Iglesias-García, J Enrique Dominguez-Muñoz, Jose Lariño-Noia
BACKGROUND/OBJECTIVES: To evaluate the agreement between the imaging modalities MRI-MRCP and EUS in cystic lesions of the pancreas which were thought to be a BD-IPMN. METHODS: Multicenter retrospective study included all patients between 2010 and 2015 with a suspected BD-IPMN who underwent an EUS and MRI-MRCP within 6 months or less of each other. Location, number, size, worrisome features and high-risk stigmata were evaluated. Interobserver agreement was evaluated by Kappa score...
January 4, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Pankaj Singhai, Ravi Gadhadh, Sangeeta Joshi, Shruti Krishnan, Aparna
Despite the high prevalence of tuberculosis (TB) worldwide, pancreatic TB is rare. When present, pancreatic TB is frequently associated with miliary TB, often in immunocompromised hosts. Pancreatic TB may present as a pancreatic abscess, acute or chronic pancreatitis, and cystic or solid pancreatic masses. This is a case of isolated Tubecular infection of the pancreas in an immunocompetent patient, who presented with a discrete pancreatic abscess, and was subsequently diagnosed with isolated pancreatic TB. This case suggests that clinicians should have a heightened suspicion of pancreatic TB when faced with discrete pancreatic lesions, especially in patients from areas where the infection is endemic...
December 2017: Journal of the Association of Physicians of India
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