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Tissue expander breast

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https://www.readbyqxmd.com/read/29052108/risk-factors-for-complications-among-breast-cancer-patients-treated-with-post-mastectomy-radiotherapy-and-immediate-tissue-expander-permanent-implant-reconstruction-a-retrospective-cohort-study
#1
Mami Ogita, Naomi Nagura, Jiro Kawamori, Reika In, Atsushi Yoshida, Hideko Yamauchi, Junko Takei, Naoki Hayashi, Yoshiko Iwahira, Sachiko Ohde, Shoko Fukushima, Kenji Sekiguchi
BACKGROUND: The use of post-mastectomy radiotherapy (PMRT) following immediate breast reconstruction has increased recently, and its safety is becoming a major concern. We aimed to evaluate the complication rates of PMRT to immediate tissue-expander/permanent implant (TE/PI)-based reconstructions for breast cancer and its association with radiotherapy timing (irradiation to TE or PI). METHODS: We retrospectively reviewed the cases of breast cancer patients who underwent mastectomy, immediate TE/PI reconstruction, and PMRT between January 2003 and December 2014...
October 19, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/29046262/effect-of-mri-on-breast-tissue-expanders-and-recommendations-for-safe-use
#2
Andrew A Marano, Peter W Henderson, Martin R Prince, Stephen M Dashnaw, Christine H Rohde
INTRODUCTION: Ferromagnetic port-containing breast tissue expanders are currently labeled MRI-unsafe because of the presumption that magnets should not enter the machine. However, designating these devices as MRI-unsafe can lead to unnecessary procedures or suboptimal imaging choices. This study provides an ex vivo analysis of how breast tissue expanders behave when subjected to strong magnetic fields to determine which variables might affect clinical risk. METHODS: Three different brands of tissue expanders were evaluated in three MRI environments...
September 2, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29039118/a-systematic-review-of-flap-fixation-techniques-in-reducing-seroma-formation-and-its-sequelae-after-mastectomy
#3
REVIEW
J van Bastelaar, L van Roozendaal, R Granzier, G Beets, Y Vissers
BACKGROUND: Seroma formation is a common complication after mastectomy. This review aims to elucidate which surgical techniques are most effective in reducing the dead space and therefore seroma formation in patients undergoing mastectomy. METHODS: A literature search was performed to identify clinical studies comparing any form of flap fixation to conventional closure technique in patients undergoing mastectomy with or without axillary clearance. Studies were eligible for inclusion if outcome was described in terms of seroma formation and/or complications of seroma formation...
October 16, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29026955/indolent-rib-osteomyelitis-following-breast-implant-reconstruction-an-unusual-case-and-review-of-the-literature
#4
Luke Watson, Darryl Dunn, Grant Fraser-Kirk
Rib osteomyelitis is an infrequently occurring but important complication of breast implant surgery. Although prosthetic or surgical site infection (SSI) and rib osteomyelitis as separate entities are well described in the literature, only five cases of rib or sternal osteomyelitis related to implant placement have been reported globally. Historically patients who experience this complication have not demonstrated an identifiable prevalence of the traditional risk factors associated with SSI or rib osteomyelitis...
October 12, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28985836/a-meta-analysis-of-implant-based-breast-reconstruction-and-timing-of-adjuvant-radiation-therapy
#5
Joseph A Ricci, Sherise Epstein, Adeyiza O Momoh, Samuel J Lin, Dhruv Singhal, Bernard T Lee
BACKGROUND: Implant-based breast reconstruction is the most common type of reconstruction after postmastectomy radiation therapy (PMRT). The impact of the timing of PMRT to a tissue expander or permanent implant is not well understood. The purpose of this systematic review was to evaluate outcomes in implant-based reconstruction and the timing of PMRT. METHODS: A review of the English literature in the PubMed/MEDLINE database (2000-2016) was performed to identify all articles on implant-based breast reconstruction and PMRT...
October 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28984661/surgeon-controlled-comparison-of-direct-to-implant-and-2-stage-tissue-expander-implant-immediate-breast-reconstruction-outcomes
#6
Vitali Azouz, Stephen Lopez, Douglas S Wagner
BACKGROUND: Current literature comparing outcomes of immediate breast reconstruction using direct-to-implant (DTI) single-stage and 2-stage tissue expanders (TEs) is conflicting. This study compared overall outcomes and determined predictive patient factors associated with higher complication rates. METHODS: After institutional review board approval, a retrospective cohort study of consecutive patients who underwent immediate breast reconstruction from 2010 to 2014 at a single hospital was performed...
October 3, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28975840/in-the-age-of-breast-augmentation-breast-reconstruction-provides-an-opportunity-to-augment-the-breast
#7
Amanda L Zimmerman, Bugra Tugertimur, Paul D Smith, Ambuj Kumar, Deniz Dayicioglu
BACKGROUND: Augmentation mammoplasty remains the most common cosmetic surgery procedure performed. The objective of this article is to evaluate the impact of augmented volume of the reconstructed breast in patients that undergo nipple-sparing mastectomy and patients previously augmented who undergo mastectomy with tissue expander/implant-based reconstruction. METHODS: Patients undergoing skin-sparing mastectomy, nipple-sparing mastectomy, and mastectomy after previous augmentation followed by tissue expander/implant-based reconstruction between June 2011 and April 2015 by 2 surgeons at the same institution were included...
October 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28975465/expanding-the-spectrum-of-germline-variants-in-cancer
#8
Abdul K Siraj, Tariq Masoodi, Rong Bu, Sandeep Kumar Parvathareddy, Ismail A Al-Badawi, Nasser Al-Sanea, Luai H Ashari, Alaa Abduljabbar, Samar Alhomoud, Saif S Al-Sobhi, Asma Tulbah, Dahish Ajarim, Khalid Alzoman, Muna Aljuboury, Hussam Bin Yousef, Mohammed Al-Dawish, Fouad Al-Dayel, Fowzan S Alkuraya, Khawla S Al-Kuraya
Our ability to identify germline variants in hereditary cancer cases remains challenged by the incomplete cataloging of relevant genes and lack of consensus on who should be tested. We designed a panel [hereditary oncogenesis predisposition evaluation (HOPE)] that encompasses most of the genes known to be associated with cancer development and tested its yield on more than 1300 samples of cancer patients. Pathogenic or likely pathogenic variants in high and intermediate risk genes were identified in 16, 23...
October 3, 2017: Human Genetics
https://www.readbyqxmd.com/read/28961569/dwi-in-the-assessment-of-breast-lesions
#9
Savannah C Partridge, Nita Amornsiripanitch
Diffusion-weighted imaging (DWI) holds promise to address some of the shortcomings of routine clinical breast magnetic resonance imaging (MRI) and to expand the capabilities of imaging in breast cancer management. DWI reflects tissue microstructure, and provides unique information to aid in characterization of breast lesions. Potential benefits under investigation include improving diagnostic accuracy and guiding treatment decisions. As a result, DWI is increasingly being incorporated into breast MRI protocols and multicenter trials are underway to validate single-institution findings and to establish clinical guidelines...
October 2017: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/28958980/favorable-outcome-with-close-margins-in-patients-undergoing-nipple-skin-sparing-mastectomy-with-immediate-breast-reconstruction-5-year-follow-up
#10
Enver Özkurt, Mustafa Tükenmez, Erdem Güven, Burcu Çelet Özden, Gizem Öner, Mahmut Müslümanoğlu, Abdullah İğci, Vahit Özmen, Seden Küçücük, Neslihan Cabioğlu
BACKGROUND: Implant-based breast reconstruction after mastectomy has recently been reported to be the preferred type of surgery among breast specific surgeons and plastic surgeons. AIMS: The aim of this study is to explore the significant clinicopathological factors associated with long term outcome related to local recurrences of the nipple among patients who underwent immediate breast reconstruction (IBR) with tissue expander (TE) or implant after mastectomy. STUDY DESIGN: Retrospective cohort Methods: From January 2007 to January 2013, 51 breast cancer patients who underwent IBR with TE or implant were retrospectively analyzed...
September 29, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28938159/lunatic-fringe-and-p53-cooperatively-suppress-mesenchymal-stem-like-breast-cancer
#11
Wen-Cheng Chung, Shubing Zhang, Lavanya Challagundla, Yunyun Zhou, Keli Xu
Claudin-low breast cancer (CLBC) is a poor prognosis molecular subtype showing stemness and mesenchymal features. We previously discovered that deletion of a Notch signaling modulator, Lunatic Fringe (Lfng), in the mouse mammary gland induced a subset of tumors resembling CLBC. Here we report that deletion of one copy of p53 on this background not only accelerated mammary tumor development but also led to a complete penetrance of the mesenchymal stem-like phenotype. All mammary tumors examined in the Lfng/p53 compound mutant mice displayed a mesenchymal/spindloid pathology...
September 19, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28930777/endoscopic-delayed-breast-reconstruction-with-expanders-and-implants-via-the-axillary-incision-made-for-sentinel-lymph-node-biopsy-or-lymphadenectomy
#12
José Maria Serra-Mestre, Randolfo Fernandez Peñuela, Francesco DʼAndrea, Joan Maria Viñals, José Maria Serra-Renom
BACKGROUND: Classic techniques of delayed prosthetic breast reconstruction use the mastectomy scar as an access route. As a result, the filling of the expander must be postponed until the wounds have healed. This creates an asymmetry between the breasts with the volume changes caused by the filling of the expander, which may occur over several weeks and cause considerable discomfort. METHODS: Delayed breast reconstruction was performed via the axillary incision made for sentinel lymph node biopsy or lymphadenectomy with endoscopic assistance and detachment of the pectoralis major muscle...
September 19, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28890745/a-simple-and-practical-method-for-setting-up-a-criterion-of-projection-of-silicone-breast-implant-after-simple-mastectomy
#13
Naohiro Ishii, Jiro Ando, Michiko Harao, Masaru Takemae, Kazuo Kishi
Objective: In breast reconstruction, decision of projection of silicone breast implant in tissue expander replacement is difficult because of the need to consider several parameters that cannot be expressed in accurate numerical form. The present study aimed at a quantitative analysis based on decreased projection of the reconstructed side compared with silicone breast implant projection and to develop a new method for simple and practical decision of silicone breast implant projection. Methods: Thirty-five patients who had mammary carcinoma and were treated with simple mastectomy, tissue expander insertion, and replacement with anatomical silicone breast implant from April 2013 to March 2016 were retrospectively identified...
2017: Eplasty
https://www.readbyqxmd.com/read/28862113/immediate-versus-delayed-breast-reconstruction-for-postmastectomy-patients-controversies-and-solutions
#14
Cristina Iulia Filip, Cristian Radu Jecan, Laura Raducu, Tiberiu Paul Neagu, Ioan Petre Florescu
When considering breast reconstruction, two main decisions have to be made: optimal timing and appropriate reconstruction technique,that would best suit each patient, while also taking into consideration the complications and risks that these decisions might lead to. By careful patient selection and individualized breast reconstruction approach, the risks and complications of the procedure can be minimized, while attaining successful aesthetic outcomes and high patient satisfaction. Breast reconstruction can be performed in three different settings: immediate reconstruction - at the time of mastectomy; delayed reconstruction " after the completion of the adjuvant treatment and in a delayed-immediate setting that uses both previous methods" includes tissue expansion at the time of mastectomy and definitive reconstruction performed after completion of the adjuvant treatment...
July 2017: Chirurgia
https://www.readbyqxmd.com/read/28861376/patient-determinants-as-independent-risk-factors-for-postoperative-complications-of-breast-reconstruction
#15
Andri Thorarinsson, Victoria Fröjd, Lars Kölby, Mattias Lidén, Anna Elander, Hans Mark
BACKGROUND: Breast reconstruction is an essential component in the treatment of breast cancer. Postoperative complications after breast reconstruction are common and affect patient satisfaction. Determining independent risk factors using patient characteristics could be advantageous for patient assessment and counseling. METHODS: We retrospectively enrolled 623 consecutive patients who underwent reconstruction with a deep inferior epigastric perforator flap (DIEP), latissimus dorsi flap (LD), lateral thoracodorsal flap (LTDF), or tissue expander with a secondary implant (EXP) in this study...
August 2017: Gland Surgery
https://www.readbyqxmd.com/read/28858166/human-factors-validation-of-the-aeroform-tissue-expander-system-for-breast-reconstruction
#16
Kathy Kelley, Jennie Kim
The tissue expansion process using traditional saline expanders is lengthy and uncomfortable. A new technology has been developed, providing a needle-free option implanted after a mastectomy, and is activated by a handheld remote control releasing small amounts (10 cc) of carbon dioxide from an internal reservoir. The expander is gradually filled with CO2 resulting in mechanical stretching of the overlying tissue. The AeroForm System has been evaluated in a series of clinical trials including a randomized, controlled U...
July 2017: Plastic Surgical Nursing
https://www.readbyqxmd.com/read/28833134/changes-in-shoulder-muscle-activity-pattern-on-surface-electromyography-after-breast-cancer-surgery
#17
Eun Joo Yang, YoungOk Kwon
BACKGROUND AND OBJECTIVES: Alterations in muscle activation and restricted shoulder mobility, which are common in breast cancer patients, have been found to affect upper limb function. The purpose of this study was to determine muscle activity patterns, and to compare the prevalence of abnormal patterns among the type of breast surgery. METHODS: In total, 274 breast cancer patients were recruited after surgery. Type of breast surgery was divided into mastectomy without reconstruction (Mastectomy), reconstruction with tissue expander/implant (TEI), latissimus dorsi (LD) flap, or transverse rectus abdominis flap (TRAM)...
August 22, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28831345/characterization-of-the-capsule-surrounding-smooth-and-textured-tissue-expanders-and-correlation-with-contracture
#18
Erika Kuriyama, Hiroko Ochiai, Yoshikazu Inoue, Yoshiaki Sakamoto, Naoki Yamamoto, Toshiaki Utsumi, Kazuo Kishi, Takayuki Okumoto, Akihiro Matsuura
Capsular contracture is a common complication after breast augmentation surgery. This study pathologically evaluated the soft-tissue response to surface modifications in both smooth and textured tissue expander prostheses. METHODS: Smooth tissue expanders and textured tissue expanders in 5 cases each were used for breast reconstruction after mastectomy. Histological samples were harvested from the capsules when the tissue expanders were replaced by silicone implants. Collagen orientation and cellular responses were assessed histologically...
July 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28818506/development-and-evaluation-of-%C3%AE-galactosidase-sensitive-antibody-drug-conjugates
#19
Sergii Kolodych, Chloé Michel, Sébastien Delacroix, Oleksandr Koniev, Anthony Ehkirch, Jitka Eberova, Sarah Cianférani, Brigitte Renoux, Wojciech Krezel, Pauline Poinot, Christian D Muller, Sébastien Papot, Alain Wagner
The selective destruction of tumour cells while sparing healthy tissues is one of the main challenges in cancer therapy. Antibody-drug conjugates (ADCs) are arguably the most rapidly expanding class of targeted cancer therapies. Efficient drug conjugation and release technologies are essential for the development of these new therapeutic agents. In response to the ever-increasing demand for efficient drug release systems, we have developed a new class of β-galactosidase-cleavable linkers for ADCs. Within this framework, novel payloads comprising a galactoside linker, the monomethyl auristatin E (MMAE) and cysteine-reactive groups were synthesized, conjugated with trastuzumab and evaluated both in vitro and in vivo...
August 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28812172/delayed-post-mastectomy-breast-reconstructions-with-allogeneic-acellular-dermal-matrix-prepared-by-a-new-decellularizationmethod
#20
Martin Bohac, Ivan Varga, Stefan Polak, Jana Dragunova, Jozef Fedeles, Jan Koller
Acellular dermal matrix (ADM) is a tissue graft of allogeneic origin from post-mortem tissue donors prepared by an innovative decellularization process. The newly developed non-toxic and low cost decellularization process of cadaver origin dermis included ADM in breast reconstruction procedures proved to help coverage of the lower-pole of breast expanders or implants. As the results have shown, it did help to eliminate autologous dermis donor site morbidity along with shortening the operation time by avoiding elevation of additional muscle or fascia during the operation...
August 16, 2017: Cell and Tissue Banking
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