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Breast augmentation imaging

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https://www.readbyqxmd.com/read/29131778/adventures-and-misadventures-in-plastic-surgery-and-soft-tissue-implants
#1
Dana J Lin, Tony T Wong, Gina A Ciavarra, Jonathan K Kazam
Soft-tissue augmentation and implants are increasingly seen by the radiologist as more techniques emerge for a variety of indications and locations. Some surgical and implant procedures are performed for purely cosmetic reasons in otherwise healthy patients seeking to improve their body image, and some are performed for reconstruction after cancer or other chronic illnesses. Abdominoplasty, liposuction, and autologous fat grafting can be performed for abdominal and gluteal contouring. Injection of liquid injectable silicone has historically been fraught with legal issues, although it continues to be used for augmentation in a variety of anatomic locations...
November 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29101436/anaplastic-large-cell-lymphoma-associated-with-breast-implants-a-case-report-of-a-transgender-female
#2
Matej Patzelt, Lucie Zarubova, Pavel Klener, Josef Barta, Kamila Benkova, Adrianna Brandejsova, Marek Trneny, Robert Gürlich, Andrej Sukop
Breast implant-associated anaplastic large-cell lymphoma (BIA-ALCL) is a rare peripheral T cell lymphoma. BIA-ALCL is a disease of the fibrous capsule surrounding the implant and occurs in patients after both breast reconstruction and augmentation. More than 300 cases have been reported so far, including two in a transgender patient. Here we describe BIA-ALCL presented with a mass in a transgender patient and the first case of BIA-ALCL in the Czech Republic. In 2007, a 33-year-old transgender male to female underwent bilateral breast augmentation as a part of his transformation to female...
November 3, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29083930/convolutional-neural-network-for-histopathological-analysis-of-osteosarcoma
#3
Rashika Mishra, Ovidiu Daescu, Patrick Leavey, Dinesh Rakheja, Anita Sengupta
Pathologists often deal with high complexity and sometimes disagreement over osteosarcoma tumor classification due to cellular heterogeneity in the dataset. Segmentation and classification of histology tissue in H&E stained tumor image datasets is a challenging task because of intra-class variations, inter-class similarity, crowded context, and noisy data. In recent years, deep learning approaches have led to encouraging results in breast cancer and prostate cancer analysis. In this article, we propose convolutional neural network (CNN) as a tool to improve efficiency and accuracy of osteosarcoma tumor classification into tumor classes (viable tumor, necrosis) versus nontumor...
October 30, 2017: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/29075819/augmentation-mastopexy-with-a-dermal-encapsulated-round-or-anatomic-autoprosthesis
#4
Safvet Ors
INTRODUCTION: Several factors, such as aging, pregnancy, and weight loss, reduce the elasticity of the breast tissue, and ptosis occurs. Due to aging and gravity, it is not possible to completely prevent breast ptosis. The goal is to delay the recurrence of ptosis as much as possible. PATIENTS AND METHODS: This study included 20 female patients aged 25-55 years. The patients who underwent surgery had different levels of ptosis. Although the patients wanted their breasts to be lifted and an increase in projection, they did not want implants to be used...
October 26, 2017: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/28993511/cell-cycle-dependent-tumor-engraftment-and-migration-are-enabled-by-aurora-a
#5
Tony L H Chu, Marisa Connell, Lixin Zhou, Zhengcheng He, Jennifer R Won, Seyed M Rahavi, Helen Chen, Pooja Mohan, Oksana Nemirovsky, Abbas Fotovati, Miguel Angel Pujana, Gregor Sd Reid, Torsten O Nielsen, Nelly Pante, Christopher A Maxwell
Cell cycle progression and the acquisition of a migratory phenotype are hallmarks of human carcinoma cells that are perceived as independent processes but may be interconnected by molecular pathways that control microtubule nucleation at centrosomes. Here, cell cycle progression dramatically impacts the engraftment kinetics of 4T1-luciferase2 breast cancer cells in immunocompetent BALB/c or immunocompromised NOD-SCID gamma (NSG) mice. Multi-parameter imaging of wound closure assays was used to track cell cycle progression, cell migration, and associated phenotypes in epithelial cells or carcinoma cells expressing a fluorescence ubiquitin cell cycle indicator...
October 9, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28966458/breast-implant-associated-anaplastic-large-cell-lymphoma
#6
Lindsay Keith, William Herlihy, Houston Holmes, Paul Pin
Anaplastic large cell lymphoma is a rare disease associated with breast implants. We present the case of a woman who had had breast augmentation and multiple revisions over a period of 13 years and presented with recurrent fluid collections. The cause was determined to be anaplastic large cell lymphoma, which required removal of the implants, capsulectomy, and evaluation by a medical oncologist. The patient was not found to have metastatic disease on imaging studies. Breast implant-associated anaplastic large cell lymphoma is a poorly understood disease entity, and optimal treatment is unclear...
October 2017: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/28929806/clustered-microcysts-on-breast-ultrasound-what-is-an-appropriate-management-recommendation
#7
Heather I Greenwood, Amie Y Lee, Iryna V Lobach, Bianca M Carpentier, Rita I Freimanis, Loretta M Strachowski
OBJECTIVE: The objective of our study was to determine outcomes of lesions identified as clustered microcysts on breast ultrasound to augment the existing literature and help guide appropriate management recommendations. MATERIALS AND METHODS: We retrospectively identified cases at our institution, from January 2003 through December 2013, of all lesions classified as clustered microcysts at breast ultrasound. Breast ultrasound examinations were performed by the interpreting physician...
December 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28918365/review-of-breast-augmentation-and-reconstruction-for-the-radiologist-with-emphasis-on-mri
#8
REVIEW
Lauren A Green, Jillian A Karow, Jordan E Toman, Antonella Lostumbo, Karen Xie
It is imperative to continue screening for breast cancer and/or detect tumor recurrence in patients after they have undergone breast augmentation or reconstruction. As there is an increasing role for both screening and diagnostic imaging of the post-operative breast, it is important for the radiologist to be familiar with the commonly performed surgical techniques in breast augmentation and reconstruction. Imaging of the augmented and reconstructed breast, as well as complications, will be reviewed with a focus on Magnetic Resonance Imaging (MRI)...
August 25, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28911890/three-dimensional-imaging-an-important-factor-of-decision-in-breast-augmentation
#9
A de Runz, D Boccara, N Bertheuil, F Claudot, M Brix, E Simon
INTRODUCTION: Since the beginning of the 21st century, three-dimensional imaging systems have been used more often in plastic surgery, especially during preoperative planning for breast surgery and to simulate the postoperative appearance of the implant in the patient's body. The main objective of this study is to assess the patients' attitudes regarding 3D simulation for breast augmentation. METHOD: A study was conducted, which included women who were operated on for primary breast augmentation...
September 11, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/28905385/synthetic-breast-phantoms-from-patient-based-eigenbreasts
#10
Gregory M Sturgeon, Subok Park, William Paul Segars, Joseph Y Lo
PURPOSE: The limited number of 3D patient-based breast phantoms available could be augmented by synthetic breast phantoms in order to facilitate virtual clinical trials using model observers for breast imaging optimization and evaluation. METHODS: These synthetic breast phantoms were developed using Principal Component Analysis (PCA) to reduce the number of dimensions needed to describe a training set of images. PCA decomposed a training set of M breast CT volumes (with millions of voxels each) into an M-1-dimensional space of eigenvectors, which we call eigenbreasts...
September 14, 2017: Medical Physics
https://www.readbyqxmd.com/read/28877375/polyacrylamide-gel-augmentation-mammoplasty-breast-images
#11
Ebru Düşünceli Atman, Melahat Kul, Mustafa Fatih Arslan, Çağlar Uzun, Evren Üstüner
No abstract text is available yet for this article.
September 6, 2017: Breast Journal
https://www.readbyqxmd.com/read/28870056/-application-of-autologous-fat-grafting-in-breast-reconstruction
#12
L Cai, X F Han, B Q Wang, F C Li
Objective: To observe the outcome of breast reconstruction with autologous fat grafting in the patients following treatment for breast cancer. Methods: The clinical data of 22 patients after breast cancer modified radical mastectomy with fat grafting for breast reconstruction from January 2012 to March 2015 at Department of Body Contouring and Liposuction Center of Plastic Surgery, Hospital of Peking Union Medical College were analyzed retrospectively. The age of 22 patients (all female) was 28 to 54 years...
September 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28862112/indications-of-the-magnetic-resonance-method-in-breast-pathology
#13
Adina Chiriţă
The high incidence of breast cancer is a known fact. The 5-year survival rate for women with correctly treated breast cancer is 90% around the world, and 50% in Romania, respectively. Correct diagnostic evaluation of the breasts allows for a competent therapeutic management. The primary diagnosis of breast cancer includes clinical examination of the breasts, breast ultrasound and mammography. Magnetic resonance imaging (MRI) examination is not a first line type of investigation, but targeted to selected patient groups...
July 2017: Chirurgia
https://www.readbyqxmd.com/read/28828097/radiologic-images-of-an-aggressive-implant-associated-fibromatosis-of-the-breast-and-chest-wall-case-report-and-review-of-the-literature
#14
Lourdes Alanis, Robyn Roth, Nati Lerman, Julieta E Barroeta, Pauline Germaine
Fibromatosis of the breast is a rare benign disease compromising <0.2% of all primary breast tumors. Although the chest wall is a common location, occurrences of implant-associated fibromatosis of the breast are extremely rare; only 33 cases have been reported. We present a case of a 42-year-old female who underwent breast augmentation with silicone breast implants, and 2 years later developed an aggressive implant-associated fibromatosis of the breast and chest wall. On imaging studies, the tumor mimicked breast carcinoma, and despite chemotherapy, the fibromatosis rapidly enlarged and was locally invasive requiring wide surgical excision...
September 2017: Radiology case reports
https://www.readbyqxmd.com/read/28753132/a-deep-learning-framework-for-supporting-the-classification-of-breast-lesions-in-ultrasound-images
#15
Seokmin Han, Ho-Kyung Kang, Ja-Yeon Jeong, Moon-Ho Park, Wonsik Kim, Won-Chul Bang, Yeong-Kyeong Seong
In this research, we exploited the deep learning framework to differentiate the distinctive types of lesions and nodules in breast acquired with ultrasound imaging. A biopsy-proven benchmarking dataset was built from 5151 patients cases containing a total of 7408 ultrasound breast images, representative of semi-automatically segmented lesions associated with masses. The dataset comprised 4254 benign and 3154 malignant lesions. The developed method includes histogram equalization, image cropping and margin augmentation...
September 15, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28739171/efficacy-of-ultrasound-mammography-and-magnetic-resonance-imaging-in-detecting-breast-implant-rupture-a-retrospective-study-of-175-reconstructive-and-aesthetic-sub-pectoral-breast-augmentation-cases
#16
Alessio Stivala, Kessara Rem, Sara Leuzzi, Vivien Moris, Caroline François, Marc Revol, Sarra Cristofari
To date, the effectiveness of radiological imaging in detecting silicone breast implant rupture is uncertain. The purpose of this study is to retrospectively evaluate the effectiveness of radiological imaging when diagnosing a rupture. In this study, 175 patients with 242 breast implants were included, of which 168 and 74 implants were used for breast reconstruction and aesthetic augmentation, respectively. All patients who underwent revision surgery, between January 2015 and June 2016, following breast augmentation or reconstruction were included, regardless of any pre-operative diagnosis of rupture that had been made...
November 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28710678/breast-magnetic-resonance-imaging-tips-for-the-diagnosis-of-silicone-induced-granuloma-of-a-breast-implant-capsule-sigbic
#17
REVIEW
Eduardo de Faria Castro Fleury, Ana Claudia Gianini, Veronica Ayres, Luciana C Ramalho, Rodrigo Oliveira Seleti, Decio Roveda
Complications resulting from the placement of silicone breast implants are becoming more frequent in our clinical practice. This is due to the increase in breast aesthetic surgeries at the beginning of the century, where breast augmentation using silicone implants was the main intervention performed. Generally, studies that discuss the complications of breast implants are restricted to reports of intra- or extra-capsular ruptures, contractures and haematomas. Currently, much importance has been given to anaplastic large cell lymphoma (ALCL) as a more severe complication related to silicone implants...
August 2017: Insights Into Imaging
https://www.readbyqxmd.com/read/28696192/breast-cancer-screening-does-tomosynthesis-augment-mammography
#18
REVIEW
Traci A Takahashi, Christoph I Lee, Kay M Johnson
Digital breast tomosynthesis (DBT) is a relatively new imaging technology that is being adopted widely for breast cancer screening. Initial evidence suggests that it may reduce recall rates and increase cancer detection rates when added to digital mammography screening. However, more rigorous, prospective studies are needed to determine whether it improves long-term clinical outcomes of breast cancer screening.
July 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/28683102/identification-of-prognostic-collagen-signatures-and-potential-therapeutic-stromal-targets-in-canine-mammary-gland-carcinoma
#19
Ashley Case, Becky K Brisson, Amy C Durham, Suzanne Rosen, James Monslow, Elizabeth Buza, Pascale Salah, Julie Gillem, Gordon Ruthel, Sridhar Veluvolu, Veronica Kristiansen, Ellen Puré, Dorothy C Brown, Karin U Sørenmo, Susan W Volk
Increasing evidence indicates that the tumor microenvironment plays a critical role in regulating the biologic behavior of breast cancer. In veterinary oncology, there is a need for improved prognostic markers to accurately identify dogs at risk for local and distant (metastatic) recurrence of mammary gland carcinoma and therefore would benefit from adjuvant therapy. Collagen density and fiber organization have been shown to regulate tumor progression in both mouse and human mammary tumors, with certain collagen signatures predicting poor outcomes in women with breast cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28598597/azapeptide-synthesis-methods-for-expanding-side-chain-diversity-for-biomedical-applications
#20
Ramesh Chingle, Caroline Proulx, William D Lubell
Mimicry of bioactive conformations is critical for peptide-based medicinal chemistry because such peptidomimetics may augment stability, enhance affinity, and increase specificity. Azapeptides are peptidomimetics in which the α-carbon(s) of one or more amino acid residues are substituted by nitrogen. The resulting semicarbazide analogues have been shown to reinforce β-turn conformation through the combination of lone pair-lone pair repulsion of the adjacent hydrazine nitrogen and urea planarity. Substitution of a semicarbazide for an amino amide residue in a peptide may retain biological activity and add benefits such as improved metabolic stability...
June 9, 2017: Accounts of Chemical Research
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