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Solid pseudopapillary tumor

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https://www.readbyqxmd.com/read/29137016/binding-pancreaticogastrostomy-anastomosis-in-central-pancreatectomy-a-single-center-experience
#1
Pengcheng Kang, Zhidong Wang, Kaiming Leng, Xiangyu Zhong, Hao Wang, Ming Wan, Sheng Tai, Yunfu Cui
A growing number of central pancreatectomies are performed. However, reconstruction of pancreaticoenteral digestive continuity after central pancreatectomy remains debated. This study evaluates the short-term outcomes of binding pancreaticogastrostomy anastomosis in central pancreatectomy.We have reviewed our experience with 52 patients who underwent binding pancreaticogastrostomy following central pancreatectomy from February 2009 to March 2015. Indication includes 6 noninvasive intraductal papillary mucinous neoplasms, 11 neuroendocrine tumors, 12 solid pseudopapillary tumor, 9 serous cystadenoma, 6 mucinous cystadenoma, and 8 focal pancreatic traumas...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29130012/10-year-old-female-with-acute-abdominal-pain-with-pancreatic-mass
#2
Charles K Powers, Molly Posa, Dhanashree Rajderkar, Jaclyn Otero
A previously healthy 10-year-old female presented to a local emergency department following three days of nausea and vomiting diagnosed with a solid pseudopapillary tumor. Solid pseudopapillary neoplasms are a rare form of pancreatic cystic neoplasm that typically presents in young females in their 20-30s and are very rare in children. These neoplasms often present as an asymptomatic tumor found on incidental imaging. When symptomatic they most commonly present with abdominal pain and can also cause a palpable abdominal mass, weight loss, gastrointestinal obstruction, and nausea and vomiting...
2017: Case Reports in Pediatrics
https://www.readbyqxmd.com/read/29115095/radiologic-findings-in-extrapancreatic-solid-pseudopapillary-tumor-with-aggressive-behavior-a-case-report
#3
Hye Won Choi, Hyun Jeong Park, Soon Auk Hong, Sung Bin Park, Eun Sun Lee, Hye Shin Ahn, Jong Beum Lee, Byung Ihn Choi
Solid pseudopapillary tumor (SPT) is a low grade malignant tumor in the pancreas, and extrapancreatic SPT is extremely rare. We report a case of a 61-year-old woman who complained abdominal pain with diffuse tenderness. She was diagnosed with extrapancreatic SPT with extensive peritoneal dissemination and hepatic metastases. Although a few cases have reported imaging findings of extrapancreatic SPT, there have been no reports of extrapancreatic SPT with aggressive tumor behavior and dismal prognosis. Although imaging features closely resembled those of classical pancreatic SPTs, malignant transformation of extrapancreatic SPT should be considered when focal discontinuity of the tumor capsule with ill-defined margin and invasion of adjacent structures were identified...
December 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29094047/solid-pseudopapillary-neoplasm-of-the-pancreas-clinicopathologic-feature-risk-factors-of-malignancy-and-survival-analysis-of-53-cases-from-a-single-center
#4
He Song, Ming Dong, Jianping Zhou, Weiwei Sheng, Banghua Zhong, Wei Gao
Introduction: Solid pseudopapillary neoplasm (SPN) of the pancreas is a rare tumor of low malignant potential. The aim of this study was designed to evaluate the clinicopathologic feature, predictive factors of malignancy, and survival from experience of a single center. Methods: 53 consecutive patients who underwent surgery for a pathologically definitive SPN were retrospectively reviewed. Results: A total of 53 cases included 7 male cases and 46 female cases with the median age of 35...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29073488/solid-pseudopapillary-tumor-of-the-pancreas-clinical-features-and-imaging-findings
#5
Dong-Li Li, Hong-Sheng Li, Yi-Kai Xu, Quan-Shi Wang, Rui-Ying Chen, Fang Zhou
This study aimed to report clinical features and CT, MRI, PET/CT findings of solid pseudopapillary tumor (SPT) of the pancreas. Thirty-four patients with pathologically proven SPT were retrospectively reviewed. Most patients were asymptomatic. SPTs in male patients mainly appeared as solid and near solid tumors. Mixed tumors and cystic tumors had larger size than solid and near solid tumors. Solid tumors and solid part of mixed tumors were T2 hyperintense and T1 hypointense and had progressive enhancement. Four tumors (80%) showed markedly even or uneven (18)F-FDG uptake...
October 13, 2017: Clinical Imaging
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
#6
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...
November 2017: Cancer
https://www.readbyqxmd.com/read/29038855/imaging-mimics-of-pancreatic-ductal-adenocarcinoma
#7
Namita S Gandhi, Myra K Feldman, Ott Le, Gareth Morris-Stiff
Pancreatic ductal adenocarcinoma is the most common primary malignancy of the pancreas. The classic imaging features are a hypovascular mass with proximal ductal dilatation. Different pancreatic pathologies can mimic the imaging appearance of carcinoma including other tumors involving the pancreas (pancreatic neuroendocrine tumors, lymphoma, metastasis, and rare tumors like pancreatic acinar cell carcinoma and solid pseudopapillary tumors), inflammatory processes (chronic pancreatitis and autoimmune pancreatitis), and anatomic variants (annular pancreas)...
October 16, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28990381/enucleation-of-non-invasive-tumors-in-the-proximal-pancreas-indications-and-outcomes-compared-with-standard-resections
#8
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/28900331/solid-pseudopapillary-tumor-of-pancreas-a-case-report-and-review-of-literature
#9
Gursev Sandlas, Charu Tiwari
Solid pseudopapillary neoplasm of the pancreas is one of the rarest forms of pancreatic neoplasm. It was also known as Franz's tumor or Hamoudi tumor until WHO labeled it as solid pseudopapillary tumor (SPT) in 1996. It typically affects young non-Caucasian females in their second or third decade of life. Treatment involves complete excision of the tumor which results in complete cure in majority of the cases. We present here a report of 11-year-old girl with SPT and also do a review of literature for this rare tumor...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28877823/clinical-and-magnetic-resonance-imaging-features-of-solid-pseudopapillary-tumor-of-the-pancreas-in-male-patients
#10
Yan Zhong, Hai-Yi Wang, En-Qiang Linghu, Yu-Fa Sun, Wei Xu, Lu Ma, Hui-Yi Ye
Objective To analyze the clinical and magnetic resonance imaging(MRI)findings of solid pseudopapillary tumor(SPT)of the pancreas in male patients. Methods Clinical and MRI features of 51 patients with pathologically-proved SPT were retrospectively analyzed.The following MRI features of the lesions were analyzed:location,maximal diameter,shape,margin,capsule,solid and cystic components,signal intensity characteristics,and enhancement patterns.Results The average maximal diameter of the SPT in male patients was significantly smaller [(3...
August 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28861890/high-grade-renal-cell-carcinoma-with-emperipolesis-clinicopathological-immunohistochemical-and-molecular-genetic-analysis-of-14-cases
#11
Pavla Rotterova, Petr Martinek, Reza Alaghehbandan, Kristyna Prochazkova, Ivan Damjanov, Joanna Rogala, Saul Suster, Delia Perez-Montiel, Isabel Alvarado-Cabrero, Maris Sperga, Marian Svajdler, Kvetoslava Michalova, Kristyna Pivovarcikova, Ondrej Daum, Milan Hora, Martin Dusek, Ondrej Ondic, Adela Stehlikova, Michal Michal, Ondrej Hes
Emperipolesis has recently been described as a constant feature of "biphasic squamoid" papillary renal cell carcinoma (BPRCC). We also noticed this in some high-grade (HG) RCC, which promoted the present study to estimate the incidence of emperipolesis in RCCs and to describe them in further detail. 14 cases of HGRCC showing emperipolesis were retrieved from our registry. Microscopic examination of filed slides was supplemented with immunohistochemical and molecular-genetic analyses using paraffin embedded tissue...
September 1, 2017: Histology and Histopathology
https://www.readbyqxmd.com/read/28858740/solid-pseudopapillary-tumor-of-the-pancreas-experience-at-a-tertiary-care-centre-of-northern-india
#12
Namita Bhutani, Pradeep Kajal, Sham Singla, Vijender Sangwan
INTRODUCTION: Solid pseudopapillary tumor (SPT) of the pancreas is rare, accounting for 0.13-2.7% of all pancreatic tumors. It is unique, has low malignant potential and predominantly affects young women. Radiological and pathological studies have revealed that the tumor is quite different from other pancreatic tumors. But the cell origin of SPT and tumorigenesis are still enigmatic. Abdominal mass is the most common presenting symptom. Due to the paucity of the number of cases, the natural history of the disease is not fully understood...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28858381/-microcystic-pattern-should-be-recognized-as-part-of-the-morphologic-spectrum-of-solid-pseudopapillary-neoplasm-of-the-pancreas
#13
Atsushi Abe, Yoshihiro Ohishi, Tetsuyuki Miyazaki, Keigo Ozono, Naoki Mochidome, Kiyoshi Saeki, Masafumi Nakamura, Yoshinao Oda
AIM: Solid pseudopapillary neoplasm (SPN) is an uncommon pancreatic tumor characterized by solid and pseudopapillary growth patterns. We have observed SPNs can show a microcystic pattern (microcystic SPN), which has been poorly described and may be confused with microcystic neoplasms. We conducted the present study to clarify the clinicopathological and immunohistochemical features of microcystic SPNs. METHOD: We examined a consecutive series of 44 SPNs and 10 SCAs, and we classified them into 13 microcystic SPNs (29...
August 31, 2017: Histopathology
https://www.readbyqxmd.com/read/28831506/-cystic-pancreatic-tumors-diagnostics-and-new-biomarkers
#14
REVIEW
A W Berger, T Seufferlein, A Kleger
Mortality due to pancreatic ductal adenocarcinoma (PDAC) will increase in the near future. The only curative treatment for PDAC is radical resection; however, even small carcinomas exhibit micrometastases leading to early relapse. Accordingly, detection of premalignant precursor lesions is important. In essence, PDAC develops from three precursor lesions: pancreatic intraepithelial lesions (PanIN), intraductal papillary-mucinous neoplasia (IPMN) and mucinous-cystic neoplasia (MCN). Together with serous cystic neoplasia (SCN) and solid pseudopapillary neoplasia (SPN), these cystic lesions constitute the most common cystic neoplasms in the pancreas...
November 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28797989/giant-pancreatic-solid-cystic-desmoid-tumor-with-two-ectopic-adrenal-tissues
#15
Neşe Ekinci, Fikret Dirilenoğlu, Arzu Avcı, Oğuzhan Özsay
A 19-year-old woman presented with painless swelling of the abdomen. During surgery, a giant mass measuring 37 cm×26 cm×12 cm within the distal pancreas invading the spleen was noted. The clinical diagnosis of a solid cystic pseudopapillary tumor of the pancreas was suspected. Distal pancreatectomy, splenectomy, and debulking surgery were performed. Histological examination showed that the tumor infiltrated the spleen and pancreatic parenchyma, and sections of the solid areas revealed a proliferation of spindle-shaped or stellate cells growing in fascicular and storiform patterns within a myxoid intercellular matrix...
August 9, 2017: Turkish Journal of Gastroenterology: the Official Journal of Turkish Society of Gastroenterology
https://www.readbyqxmd.com/read/28742543/one-hundred-twenty-one-resected-solid-pseudopapillary-tumor-of-the-pancreas-an-8-year-single-institution-experience-at-zhongshan-hospital-shanghai-china
#16
Yadong Xu, Guochao Zhao, Ning Pu, Abulimiti Nuerxiati, Yuan Ji, Lei Zhang, Yefei Rong, Wenhui Lou, Dansong Wang, Tiantao Kuang, Xuefeng Xu, Wenchuan Wu
OBJECTIVES: The aims of this study were to introduce our experience with treating patients with pancreatic solid pseudopapillary tumors (SPTs) and to investigate the clinical risk factors for recurrence of SPTs because no consensus has been established to date. METHODS: One hundred twenty-one patients underwent surgical resection from January 2008 to December 2015 in our institution. Clinical data were collected from the standardized reports. RESULTS: Of the 121 patients, 93 (76...
July 24, 2017: Pancreas
https://www.readbyqxmd.com/read/28739499/primary-signet-ring-stromal-tumor-of-the-testis-a-study-of-13-cases-indicating-their-phenotypic-and-genotypic-analogy-to-pancreatic-solid-pseudopapillary-neoplasm
#17
COMPARATIVE STUDY
Kvetoslava Michalova, Michael Michal, Dmitry V Kazakov, Monika Sedivcova, Ondrej Hes, Ladislav Hadravsky, Abbas Agaimy, Maria Tretiakova, Carlos Bacchi, Arndt Hartmann, Naoto Kuroda, Stela Bulimbasic, Marijana Coric, Tatjana Antic, Michal Michal
Primary signet ring stromal tumor of the testis (PSRSTT) is an extremely rare tumor described only twice in the literature. Pancreatic-analogue solid pseudopapillary neoplasm (SPN) of the testis is a recently reported entity with morphological overlap with PSRSTT. We reviewed our files to find all cases of PSRSTT to better characterize this entity. We studied 13 cases of PSRSTTs using histological, immunohistochemical (IHC), and molecular genetic methods and compared the results with pancreatic SPN. Grossly, the size of PSRSTTs ranged from 0...
September 2017: Human Pathology
https://www.readbyqxmd.com/read/28733741/tips-and-tricks-of-splenic-vessel-preservation-during-laparoscopic-distal-pancreatectomy
#18
Claire Goumard, Satoshi Ogiso, Masayuki Okuno, Jason B Fleming, Michael Kim, Ching-Wei D Tzeng, Jean-Nicolas Vauthey, Jeffrey E Lee, Claudius Conrad
BACKGROUND: While a laparoscopic approach can minimize postoperative morbidity in splenic vessel preserving (SVP) distal pancreatectomy (DP), this procedure can be technically challenging. A systematic approach to SVP minimizes the chances of vascular injury and maximizes the chances of successful splenic preservation. This video demonstrates a laparoscopic DP with SVP, highlighting technical tips and tricks that optimize the chances for SVP. PATIENT: The patient is a 14-year-old male with an incidentally discovered pancreatic tail mass...
July 21, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28695686/imprint-cytology-of-clear-cell-sarcoma-like-tumor-of-the-gastrointestinal-tract-in-the-small-intestine-a-case-report
#19
Takashi Kato, Shin Ichihara, Hiroko Gotoda, Shunji Muraoka, Terufumi Kubo, Shintaro Sugita, Tadashi Hasegawa
Clear cell sarcoma-like tumor of the gastrointestinal tract (CCSLGT) is an extremely rare malignant neoplasm in the digestive tract. Its cytomorphologic features have never previously been reported. Here, we describe a case of CCSLGT, including its cytologic examination findings. A 47-year-old woman presented with a mass in the small intestine, which was resected and sent for imprint cytology. Imprint smears revealed tumor cells with light eosinophilic or clear cytoplasm in a necrotic background. Many of the tumor cells were arranged in a perivascular growth with a pseudopapillary formation, and there were some non-neoplastic osteoclast-like giant cells...
July 11, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28693851/a-population-based-analysis-of-a-rare-oncologic-entity-malignant-pancreatic-tumors-in-children
#20
Konstantinos S Mylonas, Dimitrios Nasioudis, Diamantis I Tsilimigras, Ilias P Doulamis, Peter T Masiakos, Cassandra M Kelleher
PURPOSE: To examine the clinicopathological characteristics and prognosis of pediatric patients with malignant pancreatic tumors in a population-based cohort. METHODS: The Surveillance, Epidemiology, and End Results (SEER) database was utilized to identify all pediatric patients with malignant pancreatic tumors, diagnosed between 1973 and 2013. Kaplan-Meier analysis was performed to determine median and five-year overall survival (OS) rates. Univariate survival analysis was executed using the log-rank test...
June 30, 2017: Journal of Pediatric Surgery
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