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https://www.readbyqxmd.com/read/28103659/-a-case-of-giant-prostate-carcinoma-effectively-treated-with-external-beam-radiation-therapy
#1
Sohei Kanda, Shintaro Narita, Naoki Komine, Seiichi Kitajima, Misa Yamauchi, Akihiro Sugita, Yutaka Saito, Tomonori Habuchi
We present a case of gigantic prostate tumor in a patient with castration-resistant prostate cancer with successful local control by external-beam radiation therapy. A 71-year-old man was shown to have a prostate specific antigen (PSA)level of 24.5 ng/ml, Gleason 9, cT2N1M1a, prostate adenocarcinoma with an estimated prostate volume of 26.9 g. He achieved a PSA nadir at 4 months after the initial androgen deprivation therapy and was diagnosed with castration-resistant prostate cancer three years later. Eight months after the diagnosis of castration-resistant prostate cancer, he visited our hospital due to urinary retention...
December 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/28101370/recurrent-ovarian-sertoli-leydig-cell-tumor-in-a-child-with-peutz-jeghers-syndrome
#2
Edward J Bellfield, Ramin Alemzadeh
We present a female child with Peutz-Jeghers syndrome (PJS) with a recurrent ovarian Sertoli-Leydig cell tumor (SLCT). SLCTs are relatively rare sex cord neoplasms that can occur in PJS. The patient was an African-American female who first presented at the age of 3 years with precocious puberty, and then at the age of 17 years with abdominal pain and irregular menses. In each case, she had resection of the mass, which included oophorectomy. To our knowledge, this is the first reported case in a child with PJS to have a recurrent ovarian SLCT...
August 2016: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28101236/identification-of-proteins-associated-with-pediatric-bilateral-wilms-tumor
#3
Zechen Yan, Qingjun Meng, Jinjian Yang, Junjie Zhang, Wei Zhao, Fei Guo, Dongjian Song, Yuxiao Zhan, Dandan Fan, Ruiyi Zhou, Shuqiang Zuo, Zehua Wang, Jiekai Yu, Shu Zheng, Jiaxiang Wang
Wilms tumor (WT) is the most common cancer that primarily develops in abdominal solid organ of children. It has no incipient symptom, and the most frequent symptoms are a painless, palpable abdominal mass. Proteomics technology was used to select the differentially expressed proteins of bilateral Wilms tumor (BWT). Ten serum samples of children with BWT were chosen, 20 serum samples of children with unilateral WT (UWT) and 20 serum samples of healthy children were selected, and proteomics technology was used to detect and collect data...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28099333/sarcomatoid-carcinoma-of-the-common-bile-duct-a-case-report
#4
Shuisheng Zhang, Jia Jia, Xiaoning Bi, Qinglong Jiang, Yajie Zhao, Yingtai Chen, Quan Xu, Zhongmin Lan, Jianwei Zhang, Zhihui Zhang, Chengfeng Wang
RATIONALE: Sarcomatoid carcinoma is an extremely rare lesion in the common bile duct (CBD). PATIENT CONCERNS: We present a case of sarcomatoid carcinoma of the distal CBD in a 51-year-old woman who presented with jaundice and abdominal pain. Whipple's operation was performed successfully. Microscopically, the tumor was a poorly differentiated carcinoma containing a component of sarcoma-like differentiation. The tumor cells displayed spindle-shaped nuclei with occasional mitotic figures...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28099070/laparoscopic-rectal-dissection-assisted-by-transanal-endoluminal-videoendoscopy-through-a-blunt-tip-trocar
#5
Emanuele Asti, Andrea Lovece, Luigi Bonavina
BACKGROUND AND AIMS: Laparoscopic resection is a well-established approach for colorectal cancer surgery. In patients with rectal cancer treated by neoadjuvant chemoradiotherapy, it may be difficult to identify a clear safety margin for endostapling and subsequent anastomosis. We designed an innovative technical approach to assist colorectal anastomosis in these patients. TECHNIQUE: A four-trocar laparoscopic approach is used. After exploration of the abdominal cavity, the left colic flexure is completely mobilized...
January 18, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28098572/metastatic-organotropism-an-intrinsic-property-of-breast-cancer-molecular-subtypes
#6
Shi Wei, Gene P Siegal
It has long been known that some cancers have the propensity to metastasize to certain organs thus creating a nonrandom distribution of sites for distant relapse, a phenomenon known as "metastatic organotropism." Some of these examples include ovary primary to abdominal cavity, prostate primary to bone, and pancreas primary to liver. In contrast, other tumor types, such as mammary and renal cell carcinoma, can relapse in multiple organs although approximately half of advanced breast cancers metastasize to bone...
January 16, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28097410/intercostal-trocars-enable-easier-laparoscopic-resection-of-liver-tumors-in-segments-7-and-8
#7
Fumitoshi Hirokawa, Michihiro Hayashi, Mitsuhiro Asakuma, Tetsunosuke Shimizu, Yoshihiro Inoue, Kazuhisa Uchiyama
BACKGROUND: Laparoscopic resection of posterosuperior (PS) tumors of the liver is more difficult than that of anterolateral (AL) tumors, owing to the narrow surgical field in the PS location. In this retrospective cohort study, our aim was to determine if port insertion through the intercostal space would lead to improved outcomes for laparoscopic resection of tumors in PS liver segments 7 and 8. METHOD: Between January 2006 and December 2015, 153 patients underwent laparoscopic resection of solitary liver tumors at Osaka Medical College Hospital...
January 17, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28097235/a-patient-derived-xenograft-platform-to-study-brca-deficient-ovarian-cancers
#8
Erin George, Hyoung Kim, Clemens Krepler, Brandon Wenz, Mehran Makvandi, Janos L Tanyi, Eric Brown, Rugang Zhang, Patricia Brafford, Stephanie Jean, Robert H Mach, Yiling Lu, Gordon B Mills, Meenhard Herlyn, Mark Morgan, Xiaochen Zhang, Robert Soslow, Ronny Drapkin, Neil Johnson, Ying Zheng, George Cotsarelis, Katherine L Nathanson, Fiona Simpkins
Approximately 50% of high-grade serous ovarian cancers (HGSOCs) have defects in genes involved in homologous recombination (HR) (i.e., BRCA1/2). Preclinical models to optimize therapeutic strategies for HR-deficient (HRD) HGSOC are lacking. We developed a preclinical platform for HRD HGSOCs that includes primary tumor cultures, patient-derived xenografts (PDXs), and molecular imaging. Models were characterized by immunohistochemistry, targeted sequencing, and reverse-phase protein array analysis. We also tested PDX tumor response to PARP, CHK1, and ATR inhibitors...
January 12, 2017: JCI Insight
https://www.readbyqxmd.com/read/28096841/retroperitoneal-tumor-giant-cavernous-hemangioma-case-presentation-and-literature-review
#9
Jacek Zielinski, Ireneusz Haponiuk, Radoslaw Jaworski, Rafal Peksa, Ninela Irga-Jaworska, Janusz Jaskiewicz
Retroperitoneal hemangiomas are very rare. This paper presents the case of a 71-year-old female patient with giant cavernous hemangioma of the retroperitoneum who underwent surgical treatment for abdominal pain and left lower limb edema. Interventional staged treatment with percutaneous transcatheter arterial embolization prior to surgery was considered. Radical resection of the tumor was performed, which caused the symptoms to abate. Additionally a literature review of cases involving cavernous hemangioma in the retroperitoneal space is presented...
December 2016: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/28091891/adrenal-teratoma-a-case-series-and-review-of-the-literature
#10
Eric J Kuo, Anthony E Sisk, Zhiming Yang, Jiaoti Huang, Michael W Yeh, Masha J Livhits
Adrenal teratomas are rare neoplasms and there is limited data on their surgical outcomes and long-term prognosis. We aimed to review our institutional experience and compare this to the existing literature on adrenal teratomas in adults and children. An institutional pathology database was searched for cases of adrenal teratoma (June 1956-July 2016). Clinical and imaging data were abstracted from the medical records and pathology slides were obtained for review. In addition, a PubMed search for "adrenal teratoma" from June 1952 to July 2016 was performed to identify reports of primary adrenal teratoma in patients of all ages...
January 14, 2017: Endocrine Pathology
https://www.readbyqxmd.com/read/28091841/transumbilical-abdominal-incision-for-laparoscopic-colorectal-surgery-does-not-increase-the-risk-of-postoperative-surgical-site-infection
#11
Mizunori Yaegashi, Koki Otsuka, Toshimoto Kimura, Masanori Hakozaki, Megumu Kamishima, Tomoki Hatanaka, Kei Sato, Hitoshi Fujii, Teppei Matsuo, Akira Sasaki
PURPOSE: Besides antibiotic prophylaxis, antiseptic skin preparation is an important measure to prevent surgical site infection (SSI). No reports have detailed the relationship between SSI and umbilical microflora following laparoscopic colorectal cancer with a transumbilical longitudinal incision. METHODS: Risk factors and the rate of SSI were investigated in 453 patients who underwent laparoscopic colorectal resection over a 3-year period. Microbiological samples were collected from the umbilicus and SSI areas...
January 13, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28089481/recommendations-for-mri-based-contouring-of-gross-tumor-volume-and-organs-at-risk-for-radiation-therapy-of-pancreatic-cancer
#12
H D Heerkens, W A Hall, X A Li, P Knechtges, E Dalah, E S Paulson, C A T van den Berg, G J Meijer, E J Koay, C H Crane, K Aitken, M van Vulpen, B A Erickson
PURPOSE: Local recurrence is a common and morbid event in patients with unresectable pancreatic adenocarcinoma. A more conformal and targeted radiation dose to the macroscopic tumor in nonmetastatic pancreatic cancer is likely to reduce acute toxicity and improve local control. Optimal soft tissue contrast is required to facilitate delineation of a target and creation of a planning target volume with margin reduction and motion management. Magnetic resonance imaging (MRI) offers considerable advantages in optimizing soft tissue delineation and is an ideal modality for imaging and delineating a gross tumor volume (GTV) within the pancreas, particularly as it relates to conformal radiation planning...
October 17, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28079824/inflammatory-myofibroblastic-tumors-of-the-pancreas-in-children-a-case-report-and-literature-review
#13
Hsien-Kuan Liu, Yung-Cheng Lin, Ming-Lun Yeh, Yaw-Sen Chen, Yu-Tsun Su, Ching-Chung Tsai
INTRODUCTION: Inflammatory myofibroblastic tumors are an uncommon neoplasm, which are very rarely located in the pancreas. Clinically and radiologically, this rare pancreatic tumor presents as an abdominal mass lesion that mimics other pancreatic tumors, and should therefore be considered in the differential diagnosis of pancreatic tumors. CLINICAL FINDINGS AND DIAGNOSIS: The 15-year-old boy complained of abdominal pain over the left upper quadrant with intermittent fever for 7 days...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28078482/irreversible-electroporation-as-treatment-of-locally-advanced-and-as-margin-accentuation-in-borderline-resectable-pancreatic-adenocarcinoma
#14
P Marsanic, A Mellano, A Sottile, M De Simone
In recent years, many local ablation technologies based on thermal damage have been used in the treatment of locally advanced pancreatic carcinoma (LAPC) and borderline resectable pancreatic carcinoma (BLRPC). However, they are associated with major complications because of possible vascular and ductal damage. Irreversible electroporation (IRE) is a nonthermal ablation technology that seems safe near vital vascular and ductal structures. IRE could be used as exclusive treatment of LAPC (en situ to IRE) after induction chemotherapy In BLRPC, surgery is not really radical in 6% of patients (microscopic residual) and local recurrences occur in 11-42% of apparent radical resections...
January 11, 2017: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/28076474/growth-factors-and-cox2-in-wound-healing-an-experimental-study-with-ehrlich-tumors
#15
Flávio L L Salgado, Ricardo Artigiani-Neto, Gaspar de Jesus Lopes-Filho
Background: Healing is an innate biological phenomenon, and carcinogenesis acquired, but with common humoral and cellular elements. Carcinogenesis interferes negatively in healing. Aim: To evaluate the histological changes in laparotomy scars of healthy Balb/c mice and with an Ehrlich tumor in its various forms of presentation. Methods: Fifty-four mice were divided into three groups of 18 animals. First group was the control; the second had Ehrlich tumor with ascites; and the third had the subcutaneous form of this tumor...
November 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28075331/predictive-modeling-of-respiratory-tumor-motion-for-real-time-prediction-of-baseline-shifts
#16
Arvind Balasubramanian, Rittika Shamsuddin, Balakrishnan Prabhakaran, Amit Sawant
Baseline shifts in respiratory patterns can result in significant spatiotemporal changes in patient anatomy (compared to that captured during simulation), in turn, causing geometric and dosimetric errors in the administration of thoracic and abdominal radiotherapy. We propose predictive modeling of the tumor motion trajectories for predicting a baseline shift ahead of its occurrence. The key idea is to use the features of the tumor motion trajectory over a 1-minute window, and predict the occurrence of a baseline shift in the 5 seconds that immediately follow (lookahead window)...
January 11, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28074442/undifferentiated-carcinoma-of-the-liver-a-case-report-with-immunohistochemical-analysis
#17
Takashi Maeda, Hiroto Kayashima, Daisuke Imai, Kazuki Takeishi, Noboru Harada, Eiji Tsujita, Ayumi Matsuyama, Shinichi Tsutsui, Hiroyuki Matsuda
BACKGROUND: Undifferentiated carcinoma (UC) of the liver is extremely rare, and its clinicopathological characteristics have not been fully elucidated. CASE PRESENTATION: The present study reports the case of a 56-year-old male with UC of the liver. At 16 days post-admission, the patient suddenly succumbed due to intra-abdominal bleeding resulting from a ruptured liver. Macroscopic examination revealed that the hepatic parenchyma was almost completely replaced by innumerable minute nodules...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28073414/-protective-effect-of-saccharomyces-boulardii-against-intestinal-mucosal-barrier-injury-in-rats-with-nonalcoholic-fatty-liver-disease
#18
Y T Liu, Y Q Li, Y Z Wang
Objective: To investigate the protective effect of Saccharomyces boulardii against intestinal mucosal barrier injury in rats with nonalcoholic fatty liver disease (NAFLD). Methods: A total of 36 healthy male Sprague-Dawley rats with a mean body weight of 180±20 g were randomly divided into control group, model group, and treatment group, with 12 rats in each group, after adaptive feeding for 1 week. The rats in the control group were given basic feed, and those in the model group and treatment group were given high-fat feed...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28073377/magnitude-and-influencing-factors-of-respiration-induced-liver-motion-during-abdominal-compression-in-patients-with-intrahepatic-tumors
#19
Yong Hu, Yong-Kang Zhou, Yi-Xing Chen, Zhao-Chong Zeng
PURPOSE: The purpose of this study was to use 4-dimensional-computed tomography (4D-CT) to evaluate respiration-induced liver motion magnitude and influencing factors in patients with intrahepatic tumors undergoing abdominal compression. METHODS: From January 2012 to April 2016, 99 patients with intrahepatic tumors were included in this study. They all underwent 4D-CT to assess respiratory liver motion. This was performed during abdominal compression in 53 patients and during free-breathing (no abdominal compression) in 46 patients...
January 10, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28072751/duodenal-plexiform-fibromyxoma-as-a-cause-of-obscure-upper-gastrointestinal-bleeding-a-case-report
#20
Demetrios Moris, Evangelia Spanou, Stavros Sougioultzis, Nikolaos Dimitrokallis, Polyxeni Kalisperati, Ioanna Delladetsima, Evangelos Felekouras
RATIONALE: We are reporting the first-to our knowledge-case of duodenal Plexiform Fibromyxoma causing obscure upper gastrointestinal bleeding. PATIENT CONCERNS: Plexiform fibromyxoma triggered recurrent upper gastrointestinal bleeding episodes in a 63-year-old man who remained undiagnosed, despite multiple hospitalizations, extensive diagnostic workups and surgical interventions (including gastrectomies), for almost 17 years. DIAGNOSES-INTERVENTIONS: During hospitalization for the last bleeding episode, an upper gastrointestinal endoscopy revealed an intestinal hemorrhagic nodule...
January 2017: Medicine (Baltimore)
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