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Solid pseudopapillary tumor

Deng Xiang, Jiannan He, Zimeng Fan, Fangfang Xiong, Gang Liu, Sufen Chen, Wu Wen, Jianfeng Li, Junhua Ai, Renhua Wan, Gongxian Wang, Jun Shi
RATIONALE: Situs inversus totalis (SIT) is a rare anatomical variation of the internal organs, and solid pseudopapillary tumor of the pancreas (SPTP) is a rare tissue type of pancreatic tumors, classified as benign or low-grade malignancy. However, to our knowledge, a patient with SIT and SPTP is extremely rare and has never been reported. PATIENT CONCERNS: We retrospectively analyzed a case of SIT with SPTP in a 45-year-old woman. The main complaints were abdominal pain and sensation of heaviness for 2 weeks...
March 2018: Medicine (Baltimore)
Luciano Tarantino, Aurelio Nasto, Giuseppina Busto, Vincenzo Iovino, Raffaele Fristachi, Sara Bortone
Introduction: Solid pseudopapillary Carcinoma (SPC) is a rare pancreatic Tumor with variable, usually low, malignancy potential. Howewer, several SPC are associated with aggressive behavior, local vascular infiltration, organ invasion, distant metastasis, and can be unresectable. Irreversible Electroporation (IRE) is an emerging non-thermal ablation technique for the treatment of locally advanced pancreatic carcinoma. We report the results of four year disease-free follow-up in a case of locally advanced unresectable SPC treated with IRE...
April 2018: Annals of Medicine and Surgery
Minhee Park, Ho Kyoung Hwang, Mijin Yun, Woo Jung Lee, Hoguen Kim, Chang Moo Kang
Objective: We aimed to investigate the metabolic characteristics of Solid pseudopapillary neoplasms (SPNs) in relation signal intensities on18 F-FDG PET scans. Summary Background Data: SPNs of the pancreas commonly show high uptake of 18F-FDG. However, the metabolic characteristics underlying the high18 F-FDG uptake in SPNs are not well characterized. Materials and Methods: mRNA expressions for glucose metabolism were analyzed in five SPNs, five pancreatic ductal adenocarcinomas (PCAs), and paired normal pancreatic tissues...
February 23, 2018: Oncotarget
D Cuccurullo, G Carbone, M G Iovino, I De Rosa, M Fabozzi, F Corcione
BACKGROUND: Solid pancreatic pseudopapillary tumors are a rare neoplasms, about 1-3% of all pancreatic neoplasms. This cancer mainly affects women between the third and fourth decade of life. They are not well known; the molecular origins represent a low degree of malignancy, in which the complete resection is curative. We report our experience with a case report of SPT in a young man. PRESENTATION OF CASE: Thirty-six years old male patient with a mass about 10 cm in the pancreatic tail and splenic ilum...
February 9, 2018: International Journal of Surgery Case Reports
Peng Wang, Jishu Wei, Junli Wu, Wenbin Xu, Qiuyang Chen, Wentao Gao, Kuirong Jiang, Yi Miao
BACKGROUND/OBJECTIVES: We evaluated the diagnoses and surgical management of solid pseudopapillary tumors of the pancreas (SPTP) in a single center setting. METHODS: Demographic details, clinical presentations, imaging features, surgical strategies, and pathological findings of 97 consecutive patients who underwent surgery for pathologically confirmed SPTP between 2008 and 2016 were analyzed retrospectively. RESULTS: A total of 97 patients with SPTP accounted for 2...
December 24, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Shira Ronen, Irene Aguilera-Barrantes, Tamara Giorgadze, Petr Šteiner, Petr Grossmann, Saul Suster
Polymorphous sweat gland carcinoma is an uncommon low-grade malignant adnexal tumor with a marked predilection for the distal extremities. Histologically, the lesions are characterized by a cellular proliferation showing a combination of growth patterns, including trabecular, solid, tubular, cribriform, or adenoid cystic and pseudopapillary. The immunohistochemical and molecular profile of these tumors has not yet been properly addressed. We have studied 3 cases of polymorphous sweat gland carcinoma using a broad panel of immunohistochemical markers including cytokeratin AE1/AE3, CK5/6, MOC31, p40, p63, p16, chromogranin, synaptophysin, CD56, MIB-1, estrogen receptor, progesterone receptor, androgen receptor, BER-EP4, smooth muscle actin, epithelial membrane antigen, carcinoembryonic antigen, CD117, S100 protein, HBME-1, DOG1, vimentin, and mammaglobin...
March 6, 2018: American Journal of Dermatopathology
Xing Wang, Yong-Hua Chen, Chun-Lu Tan, Hao Zhang, Jun-Jie Xiong, Hong-Yu Chen, Neng-Wen Ke, Xu-Bao Liu
BACKGROUND: Enucleation is increasingly used for pancreatic solid pseudopapillary neoplasm (SPN) to preserve function of the pancreas. The data was limited due to rarity of this low-grade neoplasm. We sought to describe the indications, operative technique, short and long-term outcomes after enucleation with largest series of enucleated SPNs. METHODS: Data collected retrospectively from 110 patients with SPN who underwent pancreatectomy between 2009 and 2016 in our institution were reviewed...
February 6, 2018: European Journal of Surgical Oncology
Jianhui Wu, Xiuyun Tian, Bonan Liu, Chengpeng Li, Chunyi Hao
BACKGROUND Solid pseudopapillary neoplasms (SPNs) of the pancreas may present widespread peritoneal metastases, but the treatment of this malignancy has not been well described and requires further investigation. MATERIAL AND METHODS Four cases of SPN with significant peritoneal metastases in our department were operated and retrospectively summarized after long-term follow-up. Eight more cases of peritoneal metastatic SPN from the PubMed database were also included in the analysis. RESULTS Peritoneal metastases of SPNs have different gross features...
March 10, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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
Hiroto Matsui, Kazuhiko Sakamoto, Satoshi Matsukuma, Yukio Tokumitsu, Yoshihiro Tokuhisa, Shinsuke Kanekiyo, Shinobu Tomochika, Michihisa Iida, Nobuaki Suzuki, Shigeru Takeda, Shigefumi Yoshino, Shoichi Hazama, Tomio Ueno, Hiroaki Nagano
The patient was a 46-year-old woman with left lower abdominal pain.Abdominal dynamic CT revealed a 40 mm, gradually- enhanced pancreatic head mass.The interior of the tumor was heterogeneous and partly low in density.Endoscopic ultrasonography showed a well-defined and heterogeneous tumor with an echoic area in the pancreatic head.Therefore, the cystic lesion with solid components was suspected to be a solid pseudopapillary neoplasm(SPN), considering the age of the patient.Subtotal stomach-preserving pancreaticoduodenectomy was performed...
November 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
Shanshan Song, Baosheng Wang, Shuailin Gu, Xiaocheng Li, Shaolong Sun
Aberrant expression of Beclin 1 and B-cell lymphoma-2 (Bcl-2) has been identified in a variety of human tumors; however, little information is available for pancreatic neoplasms. The present study analyzed the expression of Beclin 1 and Bcl-2 in pancreatic ductal adenocarcinoma (PDAC) and solid pseudopapillary neoplasm (SPN) of the pancreas, and evaluated their prognostic significance for PDAC. The present study included 117 PDAC, 43 SPN and 32 chronic pancreatitis (CP) cases. Levels of Beclin 1 and Bcl-2 expression were evaluated semiquantitatively by immunohistochemistry, and their correlation with the survival of patients with PDAC was determined...
December 2017: Oncology Letters
Hao Wu, Yan-Fen Huang, Xiang-Hong Liu, Mei-Hua Xu
Solid pseudopapillary neoplasm (SPN), also known as Gruber-Frantz tumor, is a rare form of neoplasm that almost exclusively occurs in the pancreas and in young females. While the potential of malignancy is low for SPN, these tumors can mimic other diseases and require a meticulous investigation and a standard treatment by total surgical resection. We present an unusual case of SPN arising in the mesentery of a 40-year-old man with subsequent multiple metastases. Histopathological examination showed similar properties of the mesenteric neoplasm to those of SPN in pancreas...
December 15, 2017: World Journal of Gastrointestinal Oncology
Ashita Rastogi, Mathew Assing, Mellisa Taggart, Brinda Rao, Jia Sun, Khaled Elsayes, Eric Tamm, Priya Bhosale
OBJECTIVE: The aim of the study was to assess the ability of contrast-enhanced computed tomography (CECT) to differentiate aggressive from nonaggressive solid pseudopapillary neoplasms (SPNs). MATERIALS AND METHODS: Forty treatment-naive patients with pathologically proven pancreatic SPNs were included. Imaging characteristics were determined by consensus of 3 radiologists blinded to histopathologic aggressiveness. All patients underwent 4-phase CECT using a pancreatic protocol...
December 28, 2017: Journal of Computer Assisted Tomography
Chiara Scandavini, Roberto Valente, Elena Rangelova, Ralf Segersvärd, Urban Arnelo, Johan Permert, Pär-Johan Svensson, Jakob Stenman, Marco Del Chiaro
BACKGROUND: There are very few data in the current literature regarding the short- and long-term outcome of surgery for pediatric pancreatic tumors (PPT). No data are available on the impact of pancreatic surgery on the children's growth. METHODS: This is a retrospective cohort study on a consecutive series of pediatric/adolescent patients who underwent pediatric surgery at Karolinska University Hospital from January 2005 to July 2017. RESULTS: Overall 14 pancreatic operations were performed in 13 patients...
December 19, 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Rosalie A Carr, Michele T Yip-Schneider, Rachel E Simpson, Scott Dolejs, Justine G Schneider, Huangbing Wu, Eugene P Ceppa, Walter Park, C Max Schmidt
BACKGROUND: The most widely accepted biochemical test for preoperative differentiation of mucinous from benign, nonmucinous pancreatic cysts is cyst fluid carcinoembryonic antigen. However, the diagnostic accuracy of carcinoembryonic antigen ranges from 70% to 86%. Based on previous work, we hypothesize that pancreatic cyst fluid glucose may be an attractive alternative to carcinoembryonic antigen. METHODS: Pancreatic cyst fluid was collected during endoscopic or operative intervention...
March 2018: Surgery
Yuntong Ma, Bingqi Shen, Yingmei Jia, Yanji Luo, Yisu Tian, Zhi Dong, Wei Chen, Zi-Ping Li, Shi-Ting Feng
BACKGROUND: Pancreatic schwannoma is a rare tumor. Preoperative diagnosis of pancreatic schwannoma is challenging due to its tendency to mimic other lesions of the pancreas. We describe a case of pancreatic schwannoma and present a review of the cases currently reported in the English literature to identify characteristics of pancreatic schwannoma on imaging. CASE PRESENTATION: A 53-year-old male presented with a history of intermittent periumbilical abdominal pain and lower back pain for 1 week...
December 14, 2017: BMC Cancer
Harold J Leraas, Jina Kim, Zhifei Sun, Brian Ezekian, Brian C Gulack, Christopher R Reed, Elisabeth T Tracy
BACKGROUND: Solid pseudopapillary neoplasm (SPN) of the pancreas is a rare tumor in children, with current evidence limited to single-center studies. We examined treatment and clinical outcomes for pediatric and adult SPN with a national data set. METHODS: The 2004 to 2013 National Cancer Data Base was queried to identify all patients diagnosed with SPN. The cohort was stratified by age (pediatric and adult) defined as below 18 years and 18 years and above, respectively...
December 12, 2017: Journal of Pediatric Hematology/oncology
Eun Kyung Kim, Mi Jang, Minhee Park, Hoguen Kim
The diagnosis of solid pseudopapillary neoplasms (SPNs) is challenging because some SPNs share many similar morphological and immunohistochemical features with other pancreatic neoplasms. In this study, we investigated potential diagnostic markers of SPN. Based on the SPN-specific upregulated genes from a previous DNA microarray and proteome study, we selected six immunohistochemical markers [beta-catenin, androgen receptor (AR), lymphoid enhancer-binding factor 1 (LEF1), transcription factor for immunoglobulin heavy-chain enhancer 3 (TFE3), fused in sarcoma (FUS), and WNT inhibitory factor 1 (WIF-1)]...
November 7, 2017: Oncotarget
John A Stauffer, Horacio J Asbun
There are a few entities that account for most solid and cystic masses of the pancreas. The pancreas harbors a wide array of diseases, including adenocarcinoma, and its variants, such as anaplastic and adenosquamous carcinoma. Other neoplasms include acinar cell carcinoma, solid pseudopapillary tumor, and sarcomas. Benign lesions include hamartomas, hemangiomas, lymphangioma, and plasmacytoma. Isolated metastases include renal cell carcinoma, melanoma, and other carcinomas. Benign inflammatory conditions, such as autoimmune pancreatitis and groove pancreatitis can also mimic solid neoplasms of the pancreas...
February 2018: Surgical Clinics of North America
Nishtha Yadav, Shilpa Rao, Jitender Saini, Chandrajit Prasad, Anita Mahadevan, Nishanth Sadashiva
OBJECTIVE: Papillary glioneuronal tumors (PGNT) are a rare and recently recognized tumor entity. The neuroimaging findings were reviewed to determine if any specific findings emerge to assist a preoperative diagnosis of PGNT. MATERIALS AND METHODS: Seven histologically confirmed cases of PGNT were evaluated from 2004 to 2014. Clinical, neuroimaging and histological findings were reviewed and tabulated. RESULTS: Headache and seizures were observed in 4 patients (57...
December 2017: European Journal of Radiology
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