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Intraoperative Radiotherapy

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https://www.readbyqxmd.com/read/28526168/extended-mesometrial-resection-emmr-surgical-approach-to-the-treatment-of-locally-advanced-cervical-cancer-based-on-the-theory-of-ontogenetic-cancer-fields
#1
Benjamin Wolf, Roman Ganzer, Jens-Uwe Stolzenburg, Bettina Hentschel, Lars-Christian Horn, Michael Höckel
BACKGROUND: Based on ontogenetic-anatomic considerations, we have introduced total mesometrial resection (TMMR) and laterally extended endopelvic resection (LEER) as surgical treatments for patients with cancer of the uterine cervix FIGO stages I B1 - IV A. For a subset of patients with locally advanced disease we have sought to develop an operative strategy characterized by the resection of additional tissue at risk for tumor infiltration as compared to TMMR, but less than in LEER, preserving the urinary bladder function...
May 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28520896/laser-assisted-indocyanine-green-dye-angiography-for-postoperative-fistulas-after-salvage-laryngectomy
#2
Erin J Partington, Lindsay S Moore, Russel Kahmke, Jason M Warram, William Carroll, Eben L Rosenthal, Benjamin J Greene
Importance: Pharyngocutaneous fistula formation is an unfortunate complication after salvage laryngectomy for head and neck cancer that is difficult to anticipate and related to a variety of factors, including the viability of native pharyngeal mucosa. Objective: To examine whether noninvasive angiography with indocyanine green (ICG) dye can be used to evaluate native pharyngeal vascularity to anticipate pharyngocutaneous fistula development. Design, Setting, and Participants: This cohort study included 37 patients enrolled from June 1, 2013, to June 1, 2016, and follow-up was for at least 1 month postoperatively...
May 18, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28507456/adjuvant-intraoperative-radiotherapy-for-selected-breast-cancers-in-previously-irradiated-women-evidence-for-excellent-feasibility-and-favorable-outcomes
#3
Gladys Blandino, Marina Guenzi, Liliana Belgioia, Elisabetta Bonzano, Elena Configliacco, Elena Tornari, Francesca Cavagnetto, Davide Bosetti, Alessandra Fozza, Daniele Friedman, Renzo Corvò
BACKGROUND: The present report provides preliminary outcomes with intraoperative radiotherapy delivered to women with breast cancer included in a re-irradiation program. MATERIALS AND METHODS: From October 2010 to April 2014, thirty women were included in a re-irradiation protocol by exploiting IORT technique. The median time between the two irradiations was 10 years (range 3-50). All patients underwent conservative surgery, sentinel lymph node excision and IORT with electron beam delivered by a mobile linear accelerator...
July 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28498252/completing-or-abandoning-radical-hysterectomy-in-early-stage-lymph-node-positive-cervical-cancer-impact-on-disease-free-survival-and-treatment-related-toxicity
#4
Marloes Derks, Freek A Groenman, Luc R C W van Lonkhuijzen, Paulien C Schut, Henrike Westerveld, Jacobus van der Velden, Gemma G Kenter
INTRODUCTION: Management regarding completing hysterectomy in case of intraoperative finding of positive lymph nodes in early-stage cervical cancer differs between institutions. The aim of this study was to compare survival and toxicity after completed hysterectomy followed by adjuvant (chemo-)radiotherapy versus abandoned hysterectomy and primary treatment with chemoradiotherapy (CRT). METHODS: A retrospective multicenter cohort study was performed. All patients were scheduled for radical hysterectomy with pelvic lymphadenectomy (RHL)...
June 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28495088/fluorescence-guided-resection-with-5-aminolevulinic-acid-of-a-pilomyxoid-astrocytoma-of-the-third-ventricle
#5
Luis Miguel Bernal García, Jose Manuel Cabezudo Artero, Rafael García Moreno, Maria Bella Marcelo Zamorano, Carlos Mayoral Guisado
Fluorescence-guided resection with 5-aminolevulinic acid has been shown to be useful in the resection of certain brain tumors other than high grade gliomas, facilitating the intraoperative differentiation of neoplastic tissue. The technique enables the surgeon to ensure that no tumor fragments remain, thereby achieving higher rates of complete resection. Tihan first described pilomyxoid astrocytomas in 1999. They are currently classified as grade II astrocytoma according to the WHO classification system and, because of their tendency to recur and their dissemination through the cerebrospinal fluid pathways, they are considered to be more aggressive than pilocytic astrocytoma...
May 8, 2017: Neurocirugía
https://www.readbyqxmd.com/read/28468221/the-rapid-development-of-squamous-cell-carcinoma-on-the-nasal-dorsum-of-a-patient-receiving-immunosuppressive-therapy
#6
Daiki Senda, Erika Ando, Doruk Orgun, Masatoshi Horiguchi, Atsushi Arakawa, Akiko Matsuda, Hiroshi Mizuno, Ayato Hayashi
The risk of cancer is significantly increased in patients undergoing renal transplant surgery than in the general population. In particular, skin cancer is the most commonly occurring cancer in these patients.A 34-year-old man underwent living renal transplantation for focal segmental glomerulosclerosis. After 18 months, he developed a lesion on the nasal dorsum, approximately 1 cm in size, and the lesion rapidly expanded to cover the entire dorsum.Owing to its rapid expansion, the lesion was suspected to be a malignant tumor and wide excision was planned...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28405261/blocking-of-the-lymphatic-vessel-in-lymphedema
#7
Hisako Hara, Makoto Mihara
Objective: In this case report, we present a case wherein we observed a blocking of lymphatic vessels in indocyanine green lymphography and found a shrunken lymphatic vessel intraoperatively. Methods: We performed indocyanine green lymphography and lymphaticovenous anastomosis on a 77-year-old woman. She had previously undergone right mastectomy and axillary lymph node dissection accompanied by radiotherapy and chemotherapy for right breast cancer. She noticed swelling in the right upper limb 22 years after the surgery and consulted our hospital...
2017: Eplasty
https://www.readbyqxmd.com/read/28361366/a-rare-invasive-hemangioma-in-cauda-equina
#8
Hongfei Xiang, Nana Shen, Bohua Chen, Xuexiao Ma, Gang Xin
PURPOSE: Typical hemangioma of cauda equina with relative clear margin has been described in some case reports, but atypical hemangioma with invasion, infiltration, and augmentation of all nerve roots in the cauda equina area has never been reported. In this paper, we reported a rare case with invasive hemangioma in cauda equina, and analyzed its radiological appearance and treatment. METHODS: We described an atypical case of hemangioma, which was revealed by MR and intraoperative photograph without clear margin and confirmed by histopathologic diagnosis...
March 30, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28343303/can-real-time-rgbd-enhance-intraoperative-cone-beam-ct
#9
Javad Fotouhi, Bernhard Fuerst, Wolfgang Wein, Nassir Navab
PURPOSE: Cone-Beam Computed Tomography (CBCT) is an important 3D imaging technology for orthopedic, trauma, radiotherapy guidance, angiography, and dental applications. The major limitation of CBCT is the poor image quality due to scattered radiation, truncation, and patient movement. In this work, we propose to incorporate information from a co-registered Red-Green-Blue-Depth (RGBD) sensor attached near the detector plane of the C-arm to improve the reconstruction quality, as well as correcting for undesired rigid patient movement...
March 25, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28331365/mastectomy-skin-flap-necrosis-challenges-and-solutions
#10
REVIEW
Stuart A Robertson, Johann A Jeevaratnam, Avi Agrawal, Ramsey I Cutress
INTRODUCTION: Mastectomy skin flap necrosis (MSFN) has a reported incidence of 5%-30% in the literature. It is often a significant and underappreciated problem. The aim of this article was to review the associated challenges and possible solutions. METHODS: A MEDLINE search was performed using the search term "mastectomy skin flap necrosis". Titles and abstracts from peer-reviewed publications were screened for relevance. RESULTS: MSFN is a common complication and may present as partial- or full-thickness necrosis...
2017: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/28292525/intraoperative-cell-isolation-for-a-cytological-assessment-of-bone-resection-margins-in-patients-with-head-and-neck-cancer
#11
M Nieberler, P Häußler, M R Kesting, A Kolk, H Stimmer, K Nentwig, G Weirich, K-D Wolff
The intraoperative cytological assessment of bony resection margins (ICAB) is a feasible diagnostic approach to support frozen section for assessment of invasion of margins of soft and hard tissue. However, complex resection margins could challenge both diagnostic approaches. Our objective here was to identify the limitations of intraoperative diagnostic methods for assessing margins. We present an advanced cytological approach to assess complex margins that may solve the problem. Data from 119 patients in whom frozen section was supported by ICAB, were reviewed and the reasons for false results analysed...
March 11, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28268531/non-rigid-mri-ct-registration-for-effective-planning-of-prostate-brachytherapy
#12
I Hamdan, G Dardenne, J Bert, D Visvikis
Prostate brachytherapy is an intraoperative radiotherapy technique for irradiating prostate tumors by placing radioactive sources inside the prostate. CT image is used to calculate a personalized dose distribution (PDD) while the MRI is used to visualize the tumor and the organs at risk. Therefore, a registration of preoperative MRI and CT is essential since it could improve the overall precision of the treatment planning, the placement of radioactive sources inside the prostate as well as the visualization of the dose distribution with respect to the tumor...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28260609/commissioning-of-beam-shaper-applicator-for-conformal-intraoperative-electron-radiotherapy
#13
Nematollah Heidarloo, Hamid Reza Baghani, Seyed Mahmoud Reza Aghamiri, Seyed Rabi Mahdavi, Mohammad Esmail Akbari
Beam shaper is a newly designed device for beam shaping in IOERT. The aim of this study is evaluating the performance of this device for conformal IOERT and preparing it for clinical applications. Dosimetric characteristics for different combinations of energy/field size were determined by ionometric dosimetry, film dosimetry and Monte Carlo simulation. Desirable dosimetric characteristics of beam shaper make it a useful tool for conformal IOERT. Usability of Monte Carlo simulation in any clinical setup of beam shaper was demonstrated...
February 24, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28252805/postoperative-complications-following-intraoperative-radiotherapy-in-abdominopelvic-malignancy-a-single-institution-analysis-of-113-consecutive-patients
#14
Eihab Abdelfatah, Andrew Page, Justin Sacks, Phillip Pierorazio, Trinity Bivalacqua, Jonathan Efron, Stephanie Terezakis, Susan Gearhart, Sandy Fang, Bashar Safar, Timothy M Pawlik, Elwood Armour, Amy Hacker-Prietz, Joseph Herman, Nita Ahuja
BACKGROUND: Intraoperative radiotherapy (IORT) has advantages over external beam radiation therapy (EBRT). Few studies have described side effects associated with its addition. We evaluated our institution's experience with abdominopelvic IORT to assess safety by postoperative complication rates. METHODS: Prospectively collected IRB-approved database of all patients receiving abdominopelvic IORT (via high dose rate brachytherapy) at Johns Hopkins Hospital between November 2006 and May 2014 was reviewed...
March 2, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28247112/pediatric-infratentorial-meningiomas-a-series-of-19-cases-and-review-of-the-literature
#15
Hai Liu, Wei Luo, Jiaxin Li, Jun Yang, Yulun Xu
PURPOSE: Pediatric infratentorial meningiomas are extremely rare. In this article, we present a series of 19 cases operated at our institution in the last 8 years. METHODS: During the 8-year period from January 2008 to December 2015, we encountered 21 cases suffered from infratentorial meningiomas. Two patients were excluded. The clinical profiles, radiological features, surgical procedures, intraoperative findings, and outcomes were extracted from the patient records and neuroimaging data...
February 28, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28243024/outcomes-of-cataract-surgery-following-treatment-for-retinoblastoma
#16
Hyeong Min Kim, Byung Joo Lee, Jeong Hun Kim, Young Suk Yu
PURPOSE: To evaluate the long-term visual outcomes and complications of cataract surgery in eyes previously treated for retinoblastoma. METHODS: We reviewed the medical records of patients who underwent cataract extraction and intraocular lens implantation at Seoul National University Children's Hospital for a secondary cataract that developed after retinoblastoma treatment. RESULTS: During the period between 1990 and 2014, 208 eyes of 147 patients received eye-salvaging treatment (radiotherapy, chemotherapy, and local therapy) for retinoblastoma at Seoul National University Children's Hospital...
February 2017: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/28242237/transarterial-embolization-in-maxillofacial-intractable-potentially-life-threatening-hemorrhage
#17
Dani Noy, Adi Rachmiel, Omri Emodi, Yaakov Amsalem, Yair Israel, Rafael M Nagler
PURPOSE: Although transarterial embolization (TAE) of vascular lesions with embolizing agents through angiographic catheters has been used for more than 45 years, reports of life-threatening maxillofacial bleeding are relatively rare and have not been updated. The authors review treatment modalities, present their experience of the past 21 years, and suggest a comprehensive algorithm and guidelines for the use of TAE in the treatment of intractable life-threatening maxillofacial hemorrhage...
February 3, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28237495/prostate-cancer-before-renal-transplantation-a-multicentre-study
#18
C Chahwan, A Doerfler, N Brichart, S Bouyé, T Culty, C Iselin, C Pfister, F Sallusto, L Salomon, G Verhoest, L Viart, X Tillou
INTRODUCTION: The surgical issues of renal transplantation (RT) after localized prostate cancer (PC) treatment and oncological outcomes after transplantation in patients on the waiting list with a history of PC were unknown. We conducted a retrospective multicentre study including all patients with PC diagnosed before the kidney transplantation. METHODS: Fifty-two patients were included from December 1993 to December 2015. The median age at diagnosis of PC was 59...
March 2017: Progrès en Urologie
https://www.readbyqxmd.com/read/28230251/early-complications-after-intraoperative-radiotherapy-revisited
#19
EDITORIAL
Dennis R Holmes
No abstract text is available yet for this article.
February 23, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28228966/objective-image-analysis-of-real-time-three-dimensional-intraoperative-ultrasound-for-intrinsic-brain-tumour-surgery
#20
Sophie J Camp, Vasileios Apostolopoulos, Vasileios Raptopoulos, Amrish Mehta, Kevin O'Neill, Mohammed Awad, Babar Vaqas, David Peterson, Federico Roncaroli, Dipankar Nandi
BACKGROUND: There is growing evidence that maximal surgical resection of primary intrinsic brain tumours is beneficial, both by improving progression free and overall survival and also by facilitating postoperative chemotherapy and radiotherapy. Hence, there has been an increase in the popularity of real-time intraoperative imaging in brain tumour surgery. The complex theatre arrangements, prohibitive cost and prolonged theatre time of intraoperative MRI have restricted its application...
2017: Journal of Therapeutic Ultrasound
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