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https://www.readbyqxmd.com/read/27926784/preoperative-characteristics-and-cytological-features-of-136-histologically-confirmed-pancreatic-mucinous-cystic-neoplasms
#1
Aristana Scourtas, Jonathan C Dudley, William R Brugge, Abdurrahman Kadayifci, Mari Mino-Kenudson, Martha B Pitman
BACKGROUND: Mucinous cystic neoplasms (MCNs) of the pancreas present a management conundrum. The majority are benign but all are resected due to their malignant potential. Recent studies have recommended nonsurgical management. In the current study, the authors analyzed the preoperative imaging, cytology, and cyst fluid characteristics of 136 histologically confirmed MCNs to assess predictors of a high-risk (HR) cyst for surgical triage. METHODS: MCNs resected at the Massachusetts General Hospital between 1990 and 2014 formed the study cohort...
December 7, 2016: Cancer
https://www.readbyqxmd.com/read/27926366/analysis-of-pancreatic-cyst-fluid
#2
REVIEW
Saowanee Ngamruengphong, Anne Marie Lennon
Pancreatic cysts are extremely common, and are identified in between 2% to 13% on abdominal imaging studies. Most pancreatic cysts are pseudocysts, serous cystic neoplasms, mucinous cystic neoplasms, or intraductal papillary mucinous neoplasms. The management of pancreatic cysts depends on whether a cyst is benign, has malignant potential, or harbors high-grade dysplasia or invasive carcinoma. The diagnosis of pancreatic cysts, and assessment of risk of malignant transformation, incorporates clinical history, computed tomography (CT), magnetic resonance imaging (MRI), endoscopic ultrasound, and fine-needle aspiration of cyst fluid...
December 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27926360/pathology-of-pancreatic-cancer-precursor-lesions
#3
REVIEW
Michaël Noë, Lodewijk A A Brosens
To better understand pancreatic ductal adenocarcinoma (PDAC) and improve its prognosis, it is essential to understand its origins. This article describes the pathology of the 3 well-established pancreatic cancer precursor lesions: pancreatic intraepithelial neoplasia, intraductal papillary mucinous neoplasm, and mucinous cystic neoplasm. Each of these precursor lesions has unique clinical findings, gross and microscopic features, and molecular aberrations. This article focuses on histopathologic diagnostic criteria and reporting guidelines...
December 2016: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/27904107/epidermoid-cyst-in-an-intrapancreatic-accessory-spleen-case-report-and-literature-review-of-the-preoperative-imaging-findings
#4
Shin Kato, Hideki Mori, Moriya Zakimi, Koki Yamada, Kenji Chinen, Masayuki Arashiro, Susumu Shinoura, Kaoru Kikuchi, Takahiro Murakami, Fumihito Kunishima
An epidermoid cyst arising within an intrapancreatic accessory spleen (ECIAS) is rare, and also difficult to correctly diagnose before surgery. It is mostly misdiagnosed as a cystic tumor, such as a mucinous cystic neoplasm or as a solid tumor with cystic degeneration, such as a neuro endocrine tumor. We herein report a case of ECIAS and also perform a literature review of 35 reports of ECIAS. Although the preoperative diagnosis of ECIAS using conventional imaging is relatively difficult to make, careful preoperative examinations of the features on computed tomography and magnetic resonance imaging could lead to a correct preoperative diagnosis of ECIAS which might thereby reduce the number of unnecessary resections...
2016: Internal Medicine
https://www.readbyqxmd.com/read/27892434/clinicomorphological-spectrum-of-ovarian-cystic-lesions
#5
R Dhakal, R Makaju, R Bastakoti
Background Ovarian cysts, which present as neoplastic and non-neoplastic lesions, are the most common gynaecological cause of hospital admissions. Early diagnosis is difficult due to asymptomatic nature. Clinical, radiological and gross examination alone cannot distinguish benign from malignant lesions, hence, histopathological examination is important for diagnostic, therapeutic and prognostic approach. Objective The objective of the study is to analyze the spectrum of ovarian cystic lesions with their clinico-morphorgical features...
January 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/27888870/latest-advances-in-pancreatic-tumours
#6
José Lariño Noia
Pancreatic cancer continues to have a bleak prognosis. Hardly any therapeutic advances have been made in the last few years and consequently most efforts have focused on preventing its development and on diagnosing precursor lesions. In this regard, the use of statins as a preventive factor and the implementation of screening programmes in high-risk patients are gaining ground. In the field of treatment, there is greater focus on the role of neoadjuvant therapy in pancreatic cancer and on a multimodal approach to the disease, with few advances in effective novel therapies...
September 2016: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/27876450/intraductal-papillary-neoplasm-of-the-bile-duct-a-case-report
#7
Karen Peeters, Peter Delvaux, Frederik Huysentruyt
Intraductal papillary neoplasm of the bile duct (IPNB) is a rare variant of bile duct tumors, characterized by papillary growth within the bile duct lumen and is regarded as a biliary counterpart of intraductal papillary mucinous neoplasm (IPMN) of the pancreas. IPNBs are mainly found in patients from Far Eastern areas, where hepatolithiasis and clonorchiasis are endemic. The Western experience, however, remains limited. In this article, we report a 56-year-old man, referred to our hospital because of deranged liver function tests...
November 23, 2016: Acta Chirurgica Belgica
https://www.readbyqxmd.com/read/27875639/long-term-follow-up-of-small-pancreatic-cystic-lesions-in-liver-transplant-recipients
#8
Sirachat Vidhyarkorn, Surachate Siripongsakun, Jennifer Yu, James Sayre, Vatche M Agopian, Francisco Durazo, David S Lu
BACKGROUND: Incidental small pancreatic cystic lesions (PCLs) are often found on pre-operative imaging in patients undergoing orthotropic liver transplantation (OLT).While these are considered benign or of low malignant potential, the influence of immunosuppression after OLT may be of concern. The aim of this study was to observe the long term outcome of these small pancreatic cystic lesions (PCLs) in post OLT patients. METHODS: An institutional OLT database of 1,778 consecutive OLT patients from January 2000 to December 2010 was analyzed...
November 22, 2016: Liver Transplantation
https://www.readbyqxmd.com/read/27872782/angiosarcoma-arising-in-ovarian-mucinous-tumor-a-challenge-in-intraoperative-frozen-section-diagnosis
#9
Surapan Khunamornpong, Jongkolnee Settakorn, Kornkanok Sukpan, Tip Pongsuvareeyakul, Sumalee Siriaunkgul
Angiosarcoma of the ovary is rare but represents an aggressive type of malignant ovarian neoplasms. The purpose of this report is to describe the features of angiosarcoma arising in mucinous tumor that was misinterpreted as a benign vascular proliferation during the intraoperative consultation. A 45-year-old woman presented with an abdominal mass for 1 month. Exploratory laparotomy was performed. A 35 cm right ovarian mass submitted for intraoperative consultation was a multicystic mucinous tumor with an 8 cm area of hemorrhagic lesion between cystic locules...
2016: Case Reports in Pathology
https://www.readbyqxmd.com/read/27870227/aspergillosis-and-the-role-of-mucins-in-cystic-fibrosis
#10
REVIEW
Abigail C Cowley, David J Thornton, David W Denning, Alexander Horsley
The prevalence of aspergillosis in CF patients has until recently been underestimated, but increasing evidence suggests that it may play an important role in the progression of CF lung disease. In healthy airways, Aspergillus fumigatus can be efficiently removed from the lung by mechanisms such as mucociliary clearance and cough. However, these mechanisms are defective in CF, allowing pathogens such as A. fumigatus to germinate and establish chronic infections within the airways. The precise means by which A...
November 21, 2016: Pediatric Pulmonology
https://www.readbyqxmd.com/read/27865286/intraductal-papillary-mucinous-neoplasm-of-the-pancreas
#11
REVIEW
Zhi Ven Fong, Carlos Fernández-Del Castillo
The incidence of intraductal papillary mucinous neoplasms (IPMNs) of the pancreas has been rising in the past 2 decades, driven mainly by the widespread use of cross-sectional imaging. IPMNs are intraductal mucin-producing neoplasms that involve the main pancreatic duct or its side branches and lack the ovarian stroma typically seen in mucinous cystic neoplasms. The International Association of Pancreatology released consensus guidelines in 2006 and 2012 providing clinical algorithms based on IPMN features and risk of malignancy...
December 2016: Surgical Clinics of North America
https://www.readbyqxmd.com/read/27858376/a-case-of-adenocarcinoma-arising-in-an-ileal-diverticulum-resected-by-laparoscopic-surgery
#12
Ryo Ikeshima, Junichi Nishimura, Hidekazu Takahashi, Naotsugu Haraguchi, Taishi Hata, Tsunekazu Mizushima, Yuichiro Doki, Masaki Mori
Adenocarcinoma arising in an ileal diverticulum are very rare. A 66-year-old man was recognized to have high serum CEA level and periappendiceal polycystic tumor in CT findings. Colonoscopy showed no abnormality in the ileocecal mucosa. However, the patient was suspected of appendiceal adenocarcinoma by PET/CT, which revealed FDG uptake with SUVmax of 3.9 in the tumor, and underwent radial surgery by single-incision laparoscopic surgery. Intraoperative findings showed the mass in the mesenterium of the terminal ileum but not the abnormality of the appendix...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27855482/study-of-the-expression-of-cathepsins-in-histological-material-from-pancreatic-lesions
#13
Juan F Martínez, José Ramón Aparicio, Gloria Peiró, Antonio Cabezas, Manuela Roger, Francisco Ruiz, Luís Compañy, Juan Antonio Casellas
BACKGROUND AND AIMS: To assess the expression levels of cathepsins in malignant and premalignant lesions. METHODS: We retrospectively included patients who underwent pancreatic surgery on pancreatic solid or cystic masses. The expression of cathepsin H, L, B and S was determined in both types of samples. Lesions were divided into three categories: malignant (pancreatic adenocarcinoma and malignant mucinous neoplasms), premalignant (mucinous neoplasms) and benign (other lesions)...
December 2016: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/27853737/validation-of-diagnostic-characteristics-of-needle-based-confocal-laser-endomicroscopy-in-differentiation-of-pancreatic-cystic-lesions
#14
Somashekar G Krishna, Benjamin Swanson, Phil A Hart, Samer El-Dika, Jon P Walker, Sean T McCarthy, Ahmad Malli, Zarine K Shah, Darwin L Conwell
: Background and aims: Endoscopic ultrasound (EUS)-guided needle-based Confocal Laser Endomicroscopy (nCLE) characteristics of pancreatic cystic lesions (PCLs) have been identified in studies where the gold standard surgical histopathology was available in a minority of patients. There are diverging reports of interobserver agreement (IOA) and paucity of intraobserver reliability (IOR). Thus, we sought to validate current EUS-nCLE criteria of PCLs in a larger consecutive series of surgical patients...
November 2016: Endoscopy International Open
https://www.readbyqxmd.com/read/27852388/-analysis-of-the-influence-of-gender-on-the-clinicopathological-features-and-prognosis-of-pancreatic-cystic-neoplasms
#15
M Y Xu, X J Shi, L He, F Lu, M Y Chen, H G Wang, S C Lu
Objective: To compare the clinicopathological features and prognosis of pancreatic cystic neoplasms (PCN) between male and female patients. Methods: A total of 325 patients with histological confirmed PCN from January 2010 to October 2015 were enrolled. The clinicopathological features, laboratory examination, imaging features, treatment and prognosis were analyzed. Results: Of the 325 patients diagnosed as PCN, 104 were male and 221 were female. The average age of male patients was significantly higher than that of female patients (55...
November 1, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27824244/a-large-multicenter-study-of-recurrence-after-surgical-resection-of-branch-duct-intraductal-papillary-mucinous-neoplasm-of-the-pancreas
#16
Linda Yan, Ali A Siddiqui, Sobia Laique, Monica Saumoy, Michel Kahaleh, Joseph Yoo, Ankush Kalra, Arun Mathew, Jessica Sterling, Rema Rao, Michael Lieberman, Natalie Cosgrove
BACKGROUND: Surgery for pancreatic branch-duct intraductal papillary mucinous neoplasm (BDIPMN) is indicated for therapy of symptomatic patients and to prevent development of invasive cancer. There is currently no consensus on management of BD-IPMN patients after surgical resection. The aim of this retrospective multicenter study was to determine the recurrence and long-term survival after surgical resection of BD-IPMN and to determine the predictive factors of recurrence. METHODS: All patients who underwent surgery for BD-IPMN from 2005 to 2011 at 2 centers were identified...
November 8, 2016: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/27821232/-clinicopathologic-study-of-seromucinous-carcinoma-of-ovary
#17
S X Tang, Y H Sun, Y Xu, X R Zhou, W T Yang
Objective: To elucidate the clinicopathologic characteristics, immunophenotype and differential diagnosis of ovarian seromucinous carcinoma. Methods: The clinical and pathological characteristics of 7 cases of ovarian seromucinous carcinoma were analyzed. Immunohistochemical study of selected markers was performed employing the EnVision method. Literature of ovarian seromucinous carcinoma were also reviewed. Results: The age of the 7 ovarian seromucinous carcinoma patients ranged from 27 to 70 years of age (mean=48 years)...
November 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27816717/pancreatic-serous-cystic-neoplasms-accompanying-other-pancreatic-tumors
#18
So-Woon Kim, In Hye Song, Soyeon An, So Yeon Kim, Hyoung Jung Kim, Ki-Byung Song, Dae Wook Hwang, Sang Soo Lee, Jae Ho Byun, Dong-Wan Seo, Song Cheol Kim, Eunsil Yu, Seung-Mo Hong
Serous cystic neoplasms (SCNs) are benign cystic neoplasms that predominantly occur in the tail of the pancreas in elderly women. It is well known that patients with von Hippel-Lindau syndrome can develop SCNs and neuroendocrine tumors in the pancreas. However, our understanding on SCNs accompanying other pancreatic tumors (SCNAOPTs) is limited. We compared the clinicopathologic features of 15 surgically resected SCNAOPTs with 259 conventional SCNs. The prevalence of SCNAOPT was 5%. The SCNAOPTs were significantly smaller than conventional solitary SCNs, and they were more commonly observed in the head of the pancreas, while conventional solitary SCNs were more frequently noted in the body and tail...
November 2, 2016: Human Pathology
https://www.readbyqxmd.com/read/27806771/-surgical-treatment-of-pancreatic-cystic-neoplasms-follow-up-or-surgical-intervention
#19
X D Tian, Y M Yang
Pancreatic cystic neoplasm(PCN) are common and increasingly detected in recent years including serous cystic neoplasms, mucinous cystic neoplasms, intraductal papillary mucinous neoplasms, solid pseudopapillary neoplasms and cystic pancreatic neuroendocrine tumors.Some of PCN have a low risk of malignancy while others have a high risk and need interventions, even in the same type of cystic neoplasms. The management of PCN requires risk stratification for malignant potential, and clinicians should have a systematic approach for establishing a diagnosis and determining which patients require surgical treatment...
November 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/27804932/-mucinous-cystic-liver-tumors-diagnosis-and-surgical-treatment
#20
P V Usyaky, V A Kubyshkin, V A Vishnevsky, Yu A Kovalenko, N A Karel'skaya, D V Kalinin, V S Demidova, A V Varlamov
AIM: To optimize diagnostics and treatment of cystic liver tumors. MATERIAL AND METHODS: The analysis included outcomes of 46 patients with liver cystic tumors. RESULTS AND DISCUSSION: The use of abdominal Doppler-sonography (37 patients), abdominal contrast-enhanced CT (44 patients) and MRI of abdominal cavity with MR-cholangiography (24 patients) defined radiological semiotics of cystic liver diseases. The most important features of cystic tumors are intraluminal septums with blood flow (82% of patients), solid component (6...
2016: Khirurgiia
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