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Retroperitoneal tumor

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https://www.readbyqxmd.com/read/28816297/-perirenal-cystic-lymphangioma-in-an-adult-a-case-report-and-literature-review
#1
W He, Y C Hao, H Z Xia, R Z Ma, B Yang, J Lu
Lymphangioma is a rare, benign mesenchymal neoplasm, which is characterized by numerous intercommunicating cystic spaces containing lymphatic fluid. It is considered a congenital disease resulting from the obstruction of regional lymph drainage during the developmental period. Lymphangioma frequently occurs in the cervical neck and axilla, also in the retroperitoneum, mediastinum, mesentery, omentum, colon, and pelvis, rarely in the perirenal space. These tumors usually present in childhood, but infrequently, these also present in adults...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816282/-long-term-follow-up-experience-of-comprehensive-treatment-of-testicular-mixed-germ-cell-tumors
#2
J F Ye, B Wang, L L Ma, L Zhao, G L Wang, K Hong
OBJECTIVE: Testicular mixed germ cell tumor is mixed with embryonal carcinoma, choriocarcinoma, yolk sac tumor, teratoma, seminoma and other two or more components of the testicular tumor, the clinical is relatively rare and high degree of malignancy, this article will summarize its clinical features and optimize its treatment. METHODS: A retrospective analysis of the clinical data of 22 patients with testicular tumor mixed germ cell in Peking University Third Hospital from May 1994 to November 2016 was conducted using a combination of statistical analysis and discussion of the relevant literature...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816275/-clinical-application-of-retroperitoneal-laparoscopic-surgery-combined-with-mini-flank-incision-hybrid-surgery-for-partial-nephrectomy-of-complex-renal-tumors
#3
X J Ye, J Liu, A Ablimit, L L Xiong, S J Liu, T Xu, X B Huang
OBJECTIVE: To evaluate the clinical effect and safety of retroperitoneal laparoscopic surgery combined with mini-flank incision "hybrid surgery" for partial nephrectomy of complex renal tumors. METHODS: Between April 2015 and December 2016, the clinical data from 16 patients with complex renal tumors who underwent the "hybrid surgery", including 10 males and 6 females, were retrospectively reviewed. The average age was (50.2±10.7) years, 9 cases were located in the left side and 7 cases in the right side, the mean tumor size was (6...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816274/-retroperitoneal-laparoscopic-with-renal-pedicle-rotation-for-partial-nephrectomy-of-ventro-renal-tumor
#4
Y H Liang, X B Zu, X Cheng, L F Liu
OBJECTIVE: Retro-laparoscopic partial nephrectomy is a challenge for ventro-renal tumors, especially hilar tumors. The tumors are partial or entirely out of operative field and there is blind space for operation. To solve this problem, a set of techniques including renal pedicle rotation is developed. METHODS: A set of techniques including renal pedicle rotation, double-layer suture, early artery unclamping for retro-laparoscopic nephrectomy for ventro-renal tumors, especially hilar tumors were developed...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28806623/retroperitoneal-paraganglioma-is-pre-operative-embolization-useful
#5
Natalia Apentchenko Eriutina, Camilo J Castellón Pavón, Carlos García Vásquez, Irene Gonzalo Montesinos, Santos Jiménez de Los Galanes, Pedro A Pacheco Martínez, Juan Gómez Patiño
INTRODUCTION: Paragangliomas (PG) are rare tumors derived from chromaffin cells that are located outside the adrenal gland and are capable of producing catecholamines. The treatment is based on a surgical resection, and there is controversy regarding the usefulness of previously carrying out an embolization and what is the most adequate surgical approach. CLINICAL CASE: We will present a 17-year-old woman with a retroperitoneal tumour in contact with the aorta and the inferior vena cava, treated with embolization prior to the surgical resection via laparotomy...
August 5, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28804590/feminizing-adrenocortical-carcinoma-without-gynecomastia
#6
Farida Chentli, Fadila Chabour, Djafer Bouchibane, Nouria Nouar
Malignant feminizing adrenocortical tumors are exceedingly rare. Their main presentation is gynecomastia. In these estrogen secreting tumors (with or without other adrenocortical hormones) lack of gynecomastia is exceptional as in our case. A 44-year-old man presented with abdominal pain. Radiological assessment revealed a tumor measuring 120 × 95 mm in the retroperitoneal area with numerous metastases. Pathological examination pleaded for an adrenal origin with a Weiss's score of 5. Six months later, the tumor relapsed, and he had a second surgery and was sent for hormone assessment...
July 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28801027/lymph-node-dissection-should-not-be-dismissed-in-case-of-localized-renal-cell-carcinoma-in-the-presence-of-larger-diseases
#7
Paolo Dell'Oglio, Alessandro Larcher, Fabio Muttin, Ettore Di Trapani, Francesco Trevisani, Francesco Ripa, Cristina Carenzi, Alberto Briganti, Andrea Salonia, Francesco Montorsi, Roberto Bertini, Umberto Capitanio
OBJECTIVE: To assess whether even in the group of localized renal cell carcinoma (RCC), some patients might harbor a disease with a predilection for lymph node invasion (LNI) and/or lymph node (LN) progression and might deserve lymph node dissection (LND) at the time of surgery. MATERIALS AND METHODS: Between 1990 and 2014, 2,010 patients with clinically defined T1-T2N0M0 RCC were treated with nephrectomy and standardized LND at a single tertiary care referral center...
August 8, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28799635/utility-of-anteroposterior-diameter-ratio-of-tumor-and-abdomen-for-laparoscopic-approach-for-radical-nephrectomy-in-large-renal-masses
#8
Priyank Yadav, Devarshi Srivastava, Sachin Arakere, Shashikant Gupta, Pallavi Aga, Anil Mandhani
INTRODUCTION: Laparoscopic radical nephrectomy (LRN) is now increasingly done for tumors larger than 10 cm. Despite selection of favorable cases, LRN may not be successful due to lack of adequate working space with large tumors. We describe a new feature on Contrast Enhanced Computed Tomography (CECT) abdomen to predict feasibility of LRN for large renal masses between 10 and 15 cm. METHODS: From January 2005 to December 2015, renal tumors between 10 and 15 cm were selected retrospectively for LRN...
August 7, 2017: Urologia
https://www.readbyqxmd.com/read/28783764/prognosis-impact-of-clinical-characteristics-in-patients-with-inoperable-esophageal-squamous-cell-carcinoma
#9
Ying Yang, Jun Jia, Zhiwei Sun, Feng Du, Jing Yu, Chuanling Liu, Yanjie Xiao, Xiaodong Zhang
BACKGROUND: Patients with inoperable esophageal squamous cell carcinoma (ESCC) were not homogeneous and their outcomes were widely divergent. There was a lack of identified clinical factors related to prognosis; and there were no previous studies constructing prognosis score to predict survival and guide treatment. METHODS: In this retrospective cohort study, twelve clinical characteristics of one hundred and twenty inoperable ESCC patients were collected at diagnosis and analyzed by Cox regression model...
2017: PloS One
https://www.readbyqxmd.com/read/28782439/dosimetry-verification-of-125-i-seeds-implantation-with-three-dimensional-printing-noncoplanar-templates-and-ct-guidance-for-paravertebral-retroperitoneal-malignant-tumors
#10
Zhe Ji, Yuliang Jiang, Liang Su, Fuxin Guo, Ran Peng, Haitao Sun, Jinghong Fan, Junjie Wang
OBJECTIVE: To compare dose distributions of postoperative plans with preoperative plans for radioactive seed implantation of paravertebral/retroperitoneal tumors assisted by 3-dimensional printing noncoplanar templates and computed tomography. METHODS: Sixteen patients with paravertebral/retroperitoneal tumors (21 lesions) underwent radioactive seed implantation with 3-dimensional printing noncoplanar templates. Prescribed dose was 110 to 160 Gy. We compared the dose distribution of the postoperative plan with the preoperative plan...
January 1, 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/28781839/ileum-preserving-expanded-jejunectomy-and-pancreaticoduodenectomy-with-combined-resection-of-the-superior-mesenteric-artery-for-huge-retroperitoneal-solitary-fibrous-tumor
#11
Akinori Egashira, Yasuharu Ikeda, Masaru Morita, Ken-Ichi Taguchi, Nao Kinjyo, Eiji Tsujita, Kazuhito Minami, Manabu Yamamoto, Yasushi Toh
We encountered a patient with a large retroperitoneal solitary fibrous tumor, in whom we could preserve approximately 150 cm of the ileum even after pancreaticoduodenectomy combined with resection of the superior mesenteric artery, thus preventing short bowel syndrome.
August 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28779965/assessing-the-risk-of-pelvic-and-para-aortic-nodal-involvement-in-apparent-early-stage-ovarian-cancer-a-predictors-and-nomogram-based-analyses
#12
Giorgio Bogani, Elena Tagliabue, Antonino Ditto, Mauro Signorelli, Fabio Martinelli, Jvan Casarin, Valentina Chiappa, Giulia Dondi, Umberto Leone Roberti Maggiore, Cono Scaffa, Chiara Borghi, Luca Montanelli, Domenica Lorusso, Francesco Raspagliesi
OBJECTIVE: To estimate the prevalence of lymph node involvement in early-stage epithelial ovarian cancer in order to assess the prognostic value of lymph node dissection. METHODS: Data of consecutive patients undergoing staging for early-stage epithelial ovarian cancer were retrospectively evaluated. Logistic regression and a nomogram-based analysis were used to assess the risk of lymph node involvement. RESULTS: Overall, 290 patients were included...
August 2, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28767594/retroperitoneal-bronchogenic-cyst-resembling-an-adrenal-tumor-with-high-levels-of-serum-carbohydrate-antigen-19-9-a-case-report
#13
Min Wang, Xu He, Xia Qiu, Chuan Tian, Jian Li, Mingnan Lv
RATIONALE: Retroperitoneal bronchogenic cysts without specific clinical manifestations are extremely rare and difficult to diagnose preoperatively and are easily misdiagnosed as left adrenal or pancreatic tumors. PATIENT CONCERNS: A 48-year-old woman with the chief complaint of obscure epigastric pain for 1 month and with no other gastrointestinal symptoms and no significant medical history. The patient had signed informed consent for publication of this case report...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28763900/-application-of-mini-flank-open-nephron-sparing-surgery-via-retroperitoneal-route-for-centrally-located-renal-tumor-treatment-a-single-center-experience
#14
Y N Lu, F Zhang, X Y Hu, N Q Yang, J M Guo, H Wang
Objective: To investigate the safety and feasibility of mini-flank open nephron sparing surgery (MI-OPN) via retroperitoneal route for the treatment of centrally located renal tumor. Methods: From May 2013 to April 2015, twenty-four cases of centrally located renal tumor were treated with MI-OPN via retroperitoneal route in Zhongshan Hospital. All cases were included in this study with whose clinical data and long term follow-up information retrospectively analyzed. Results: With the assistance of intraoperative ultrasonography to confirm tumor location and boundary, MI-OPN was successfully performed in all cases...
July 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28758856/clinicopathological-characteristics-and-experience-in-the-treatment-of-giant-retroperitoneal-liposarcoma-a-case-report-and-review-of-the-literature
#15
Xiangyu Zeng, Weizhen Liu, Xiuli Wu, Jinbo Gao, Peng Zhang, Xiaoming Shuai, Kaixiong Tao
Retroperitoneal liposarcoma (RPLS) is a rare tumor, especailly those over 20 kg that are called "giant liposarcoma", whose characteristics and treatments remain relatively unknown. Herein, we report a giant RPLS measuring 65 × 45 × 30 cm in diameter and 31 kg in weight, which we successfully performed complete excision through interdisciplinary cooperation. The patient had an uneventful postoperative course and was discharged without complications. Afterwards he underwent radiotherapy and had no evidence of tumor recurrence or symptoms of metastasis at 3-month CT scan and 8-month follow-up...
July 31, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28756981/congenital-undifferentiated-sarcoma-associated-to-bcor-ccnb3-gene-fusion
#16
Clara Alfaro-Cervello, Verónica Andrade-Gamarra, Gema Nieto, Lara Navarro, Susana Martín-Vañó, Juan Pablo García de la Torre, María Bengoa Caamaño, Mª Luisa García Mauriño, Rosa Noguera, Samuel Navarro
Small round cell sarcomas are aggressive bone and soft tissue tumors that predominantly affect children and young adults. A new group of sarcomas with a recurrent BCOR-CCNB3 gene fusion has been recently identified in previously unclassifiable small round cell sarcomas. BCOR-CCNB3 sarcomas share clinical and pathologic similarities with Ewing sarcoma, but show a stronger male predilection and less aggressiveness, as well as distinct gene expression profiling and pangenomic SNP array analyses. We report the unusual case of a congenital BCOR-CCNB3 retroperitoneal sarcoma in a female born at 34th gestational week, which was diagnosed in necropsy after 21hours of life...
July 14, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28753897/lack-of-effectiveness-of-postchemotherapy-lymphadenectomy-in-bladder-cancer-patients-with-clinical-evidence-of-metastatic-pelvic-or-retroperitoneal-lymph-nodes-only-a-propensity-score-based-analysis
#17
Andrea Necchi, Luigi Mariani, Salvatore Lo Vullo, Evan Y Yu, Michael E Woods, Yu-Ning Wong, Lauren C Harshman, Ajjaj Alva, Cora N Sternberg, Aristotelis Bamias, Petros Grivas, Vadim S Koshkin, Florian Roghmann, Jakub Dobruch, Bernie J Eigl, Lucia Nappi, Matthew I Milowsky, Guenter Niegisch, Sumanta K Pal, Ugo De Giorgi, Federica Recine, Ulka Vaishampayan, Dominik D Berthold, Daniel W Bowles, Jack Baniel, Christine Theodore, Sylvain Ladoire, Sandy Srinivas, Neeraj Agarwal, Simon Crabb, Srikala Sridhar, Ali-Reza Golshayan, Carsten Ohlmann, Evanguelos Xylinas, Thomas Powles, Johnathan E Rosenberg, Joaquim Bellmunt, Bas van Rhijn, Matthew D Galsky, Kees Hendricksen
BACKGROUND: Limited data is available on the role, and extent of, postchemotherapy lymphadenectomy (PC-LND) in patients with clinical evidence of pelvic (cN1-3) or retroperitoneal (RP) lymph node spread from urothelial bladder carcinoma. OBJECTIVE: To compare the outcomes of operated versus nonoperated patients after first-line chemotherapy. DESIGN, SETTING, AND PARTICIPANTS: Data from 34 centers was collected, totaling 522 patients, treated between January 2000 and June 2015...
June 3, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28749793/pax8-expression-in-solitary-fibrous-tumor-a-potential-diagnostic-pitfall
#18
David Ullman, Jennifer Gordetsky, Gene P Siegal, Carlos N Prieto-Granada, Shi Wei, Todd M Stevens
PAX8 is used as a diagnostic aid in classifying retroperitoneal (RP) spindle cell tumors. PAX8 positivity in a spindled RP tumor is typically associated with sarcomatoid renal cell carcinoma (SRCC). However, PAX8 expression in solitary fibrous tumor (SFT), a tumor not uncommon to the RP, has not been extensively studied. We investigated the expression of PAX8 in SFTs and other spindle cell RP tumors. We collected 30 SFT, 23 SRCC, 11 gastrointestinal stromal tumors, 2 synovial sarcomas, 6 dedifferentiated liposarcomas (DDLS), 4 well differentiated liposarcomas (WDLS), and select other tumors...
July 26, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28747133/retroperitoneal-laparoscopic-nephrotomy-along-the-brodel-line-and-tumor-enucleation-te-for-complete-intra-parenchymal-renal-tumors-a-single-institution-experience
#19
Baojun Wang, Huijie Gong, Xin Ma, Hong Zhao Li, Yongji Yan, Wei Cai, Lixin Shi, Xintao Li, Xu Zhang
PURPOSE: To evaluate the feasibility and outcomes of retroperitoneal laparoscopic nephrotomy along the Brodel line and tumor enucleation (TE) for complete intra-parenchymal renal tumors. PATIENTS AND METHODS: We retrospectively analysed the medical charts of patients with complete endophytic tumors and who underwent retroperitoneal laparoscopic nephrotomy along the Brodel line and TE between 2012 and 2015. Peri-operative data, surgical technique, pathological variables, complications, functional and oncological outcomes were reviewed...
July 26, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28740917/phase-1-trial-of-preoperative-image-guided-intensity-modulated-proton-radiation-therapy-with-simultaneously-integrated-boost-to-the-high-risk-margin-for-retroperitoneal-sarcomas
#20
Thomas F DeLaney, Yen-Lin Chen, Elizabeth H Baldini, Dian Wang, Judith Adams, Shea B Hickey, Beow Y Yeap, Stephen M Hahn, Karen De Amorim Bernstein, G Petur Nielsen, Edwin Choy, John T Mullen, Sam S Yoon
PURPOSE: To conduct phase 1 and 2 trials with photon intensity modulated radiation therapy and intensity modulated proton therapy (IMPT) arms to selectively escalate the retroperitoneal sarcoma preoperative radiation dose to tumor volume (clinical target volume [CTV] 2) that is judged to be at a high risk for positive margins and aim to reduce local recurrence. We report on the IMPT study arm in phase 1. METHODS AND MATERIALS: Patients aged ≥18 years with primary or locally recurrent retroperitoneal sarcoma were treated with preoperative IMPT, 50...
January 2017: Advances in Radiation Oncology
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