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https://www.readbyqxmd.com/read/29758276/age-of-menarche-in-a-longitudinal-us-cohort
#1
Frank M Biro, Ashley Pajak, Mary S Wolff, Susan M Pinney, Gayle C Windham, Maida P Galvez, Louise C Greenspan, Larry H Kushi, Susan L Teitelbaum
STUDY OBJECTIVES: Menarche is a critical milestone in a woman's life, and historically has been determined through several approaches. The goals of this study were to: 1) determine age at menarche from multiple reports of parents and adolescent participants in a prospective study; 2) examine factors impacting age at menarche; and 3) determine correlates of menarche and pubertal tempo. DESIGN: Longitudinal observational study. SETTING: Three sites of the Breast Cancer and the Environment Research Program...
May 11, 2018: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/29751600/inflamed-phylloides-tumour-in-a-girl-a-challenging-diagnosis-in-paediatric-breast-lesions
#2
Ilaria Testa, Cristina Salvatori, Marco Prestipino, Maria Elena Laurenti, Paolo Gerli, Giuseppe Di Cara, Nicola Principi, Susanna Esposito, Mirko Bertozzi
Introduction : Phylloides tumours (PTs) are rare fibroepithelial neoplasms that account for 0.3⁻0.9% of all breast tumours. These tumours typically occur in women aged 30⁻70 years. The occurrence of these tumours in older children and adolescents poses particular diagnostic and therapeutic problems. However, early diagnosis is mandatory because although most of the cases of PTs in children are benign, the borderline and malignant cases with potential negative outcomes cannot be excluded. Case presentation : A 12-year-old girl presented at the Paediatric Emergency Department for hyperaemia and warmth of the left breast that occurred a few days prior without fever...
May 11, 2018: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29669587/comparison-of-methods-to-assess-onset-of-breast-development-in-the-legacy-girls-study-methodological-considerations-for-studies-of-breast-cancer
#3
Lauren C Houghton, Julia A Knight, Mary Jane De Souza, Mandy Goldberg, Melissa L White, Karen O'Toole, Wendy K Chung, Angela R Bradbury, Mary B Daly, Irene L Andrulis, Esther M John, Saundra S Buys, Mary Beth Terry
BACKGROUND: Younger age at onset of breast development, which has been declining in recent decades, is associated with increased breast cancer risk independent of age at menarche. Given the need to study the drivers of these trends, it is essential to validate methods to assess breast onset that can be used in large-scale studies when direct clinical assessment of breast onset is not feasible. METHODS: Breast development is usually measured by Tanner stages (TSs), assessed either by physical examination or by mother's report using a picture-based Sexual Maturation Scale (SMS)...
April 18, 2018: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29615064/childhood-and-adolescent-phenol-and-phthalate-exposure-and-the-age-of-menarche-in-latina-girls
#4
Alexandra M Binder, Camila Corvalan, Antonia M Calafat, Xiaoyun Ye, Verónica Mericq, Ana Pereira, Karin B Michels
BACKGROUND: The age of menarche has been associated with metabolic and cardiovascular disease, as well as cancer risk. The decline in menarcheal age over the past century may be partially attributable to increased exposure to endocrine disrupting chemicals (EDCs). METHODS: We assessed the influence of 26 phenol and phthalate biomarkers on the timing of menarche in a longitudinal cohort of Chilean girls. These EDCs were quantified in urine collected prior to the onset of breast development (Tanner 1; B1), and during adolescence (Tanner 4; B4)...
April 3, 2018: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/29436922/breast-cancer-family-history-and-allele-specific-dna-methylation-in-the-legacy-girls-study
#5
Hui-Chen Wu, Catherine Do, Irene L Andrulis, Esther M John, Mary B Daly, Saundra S Buys, Wendy K Chung, Julia A Knight, Angela R Bradbury, Theresa H M Keegan, Lisa Schwartz, Izabela Krupska, Rachel L Miller, Regina M Santella, Benjamin Tycko, Mary Beth Terry
Family history, a well-established risk factor for breast cancer, can have both genetic and environmental contributions. Shared environment in families as well as epigenetic changes that also may be influenced by shared genetics and environment may also explain familial clustering of cancers. Epigenetic regulation, such as DNA methylation, can change the activity of a DNA segment without a change in the sequence; environmental exposures experienced across the life course can induce such changes. However, genetic-epigenetic interactions, detected as methylation quantitative trait loci (mQTLs; a...
April 2, 2018: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/29322120/juvenile-papillomatosis-of-the-breast-in-a-pre-pubertal-girl-an-uncommon-diagnosis
#6
Mehmet Tolga Kafadar, Zeynep Anadolulu, Ali İhsan Anadolulu, Emine Zeynep Tarini
Juvenile papillomatosis of the breast represents a rare benign proliferative disorder that affects women younger than thirty years of age. Although it is a localized lesion, it does not have well-demarcated margins. These patients tend to have a strong family history for cancer. As it has similar clinical presentation with that of a fibroadenoma, it usually receives the diagnosis of the latter in the preoperative period. Nonetheless, it has distinct microscopic features such as ductal papillomatosis and cysts that are helpful in the diagnosis...
January 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29276871/evaluation-of-surgically-treated-breast-masses-in-children
#7
Gül Doğan, Tutku Soyer, Saniye Ekinci, İbrahim Karnak, Arbay Ö Çiftçi, Feridun C Tanyel
Doğan G, Soyer T, Ekinci S, Karnak İ, Çiftçi AÖ, Tanyel FC. Evaluation of surgically treated breast masses in children. Turk J Pediatr 2017; 59: 177-183. We aimed to define the diagnostic and treatment characteristics of breast masses among female children who had undergone surgical treatment in order to figure out which children should be followed conservatively or treated surgically. We reviewed retrospectively 64 female patients operated for breast masses under the age of 18 years between 1977 and 2013...
2017: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/29273649/epidemiology-of-cancers-in-lahore-pakistan-among-children-adolescents-and-adults-2010-2012-a-cross-sectional-study-part-2
#8
Farhana Badar, Shahid Mahmood
OBJECTIVES: To estimate the cancer incidence by age group for the Lahore district population within the Punjab Cancer Registry (PCR), Pakistan. The average annual population of Lahore was 9.8 million in 2010-2012. This is a sequel to a study published earlier. DESIGN: A cross-sectional study. SETTING: The registry has 19 centres in Lahore reporting their data to the coordinating office located within the Shaukat Khanum Memorial Cancer Hospital and Research Center (SKMCH&RC), Lahore, Pakistan...
December 21, 2017: BMJ Open
https://www.readbyqxmd.com/read/29235933/faster-ticking-rate-of-the-epigenetic-clock-is-associated-with-faster-pubertal-development-in-girls
#9
Alexandra M Binder, Camila Corvalan, Verónica Mericq, Ana Pereira, José Luis Santos, Steve Horvath, John Shepherd, Karin B Michels
Epigenetic age is an indicator of biological aging, capturing the impact of environmental and behavioral influences across time on cellular function. Deviance between epigenetic age and chronological age (AgeAccel) is a predictor of health. Pubertal timing has similarly been associated with cancer risk and mortality rate among females. We examined the association between AgeAccel and pubertal timing and adolescent breast composition in the longitudinal Growth and Obesity Cohort Study. AgeAccel was estimated in whole blood using the Horvath method at breast Tanner 2 (B2) and 4 (B4)...
2018: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/29139615/breast-education-for-schoolgirls-why-what-when-and-how
#10
Nicola Brown, Jenny Smith, Amanda Brasher, Debbie Risius, Anna Marczyk, Joanna Wakefield-Scurr
Schools are fundamental settings for health education and adolescent females are an important group for promoting positive breast habits. We surveyed 2089 schoolgirls (11-18 years) to provide evidence for, and guidance on, breast education for schoolgirls. 26% reported negative feelings about their breasts and 87% reported ≥ one breast concern. 72% wanted to know more about breast cancer (69% rating this extremely important). >50% wanted to know more about breast sag and breast pain. Preferred delivery format was age eleven (50%), girls only taught sessions (41%) with female teachers (43%)...
November 15, 2017: Breast Journal
https://www.readbyqxmd.com/read/29133208/homozygous-loss-of-function-brca1-variant-causing-a-fanconi-anemia-like-phenotype-a-clinical-report-and-review-of-previous-patients
#11
Bruna L Freire, Thais K Homma, Mariana F A Funari, Antônio M Lerario, Aline M Leal, Elvira D R P Velloso, Alexsandra C Malaquias, Alexander A L Jorge
BACKGROUND: Fanconi Anemia (FA) is a rare and heterogeneous genetic syndrome. It is associated with short stature, bone marrow failure, high predisposition to cancer, microcephaly and congenital malformation. Many genes have been associated with FA. Previously, two adult patients with biallelic pathogenic variant in Breast Cancer 1 gene (BRCA1) had been identified in Fanconi Anemia-like condition. CLINICAL REPORT: The proband was a 2.5 year-old girl with severe short stature, microcephaly, neurodevelopmental delay, congenital heart disease and dysmorphic features...
March 2018: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29099727/supplemental-computational-phantoms-to-estimate-out-of-field-absorbed-dose-in-photon-radiotherapy
#12
Kyle J Gallagher, Jaad Tannous, Racile Nabha, Joelle Ann Feghali, Zeina Ayoub, Wassim Jalbout, Bassem Youssef, Phillip J Taddei
The purpose of this study was to develop a straightforward method of supplementing patient anatomy and estimating out-of-field absorbed dose for a cohort of pediatric radiotherapy patients with limited recorded anatomy. A cohort of nine children, aged 2-14 years, who received 3D conformal radiotherapy for low-grade localized brain tumors (LBTs), were randomly selected for this study. The extent of these patients' computed tomography simulation image sets were cranial only. To approximate their missing anatomy, we supplemented the LBT patients' image sets with computed tomography images of patients in a previous study with larger extents of matched sex, height, and mass and for whom contours of organs at risk for radiogenic cancer had already been delineated...
January 11, 2018: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29027063/inflammatory-myofibroblastic-tumors-of-the-breast-with-simultaneous-intracranial-lung-and-pancreas-involvement-ultrasonographic-findings-and-a-review-of-the-literature
#13
Mari Inoue, Tomoyuki Ohta, Hisashi Shioya, Shun Sato, Hiroyuki Takahashi, Norio Nakata, Chiaki Taniguchi, Megumi Hirano, Makiko Nishioka, Hironori Yamakawa
We encountered a case of inflammatory myofibroblastic tumor (IMT) of the breast with simultaneous intracranial, lung, and pancreas involvement. Here, we present the clinical imaging results and report the significance of sonographic findings of breast IMT along with a review of the literature. A 16-year-old girl with a history of subarachnoidal hemorrhage was admitted to our hospital due to tonic-clonic seizure. Computed tomography (CT) and magnetic resonance imaging (MRI) showed multiple intracranial, lung, and pancreas mass lesions and a solitary mass lesion in the right breast...
April 2018: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/28951445/breast-cancer-survival-by-molecular-subtype-a-population-based-analysis-of-cancer-registry-data
#14
Saber Fallahpour, Tanya Navaneelan, Prithwish De, Alessia Borgo
BACKGROUND: The relation between breast cancer molecular subtype and survival has been studied in several jurisdictions, but limited information is available for Ontario. The aim of this study was to determine breast cancer survival by molecular subtype and to assess the effect on survival of selected demographic and tumour-based characteristics. METHODS: We extracted 29 833 breast cancer cases (in 26 538 girls and women aged ≥ 15 yr) diagnosed between 2010 and 2012 from the Ontario Cancer Registry...
September 25, 2017: CMAJ Open
https://www.readbyqxmd.com/read/28939588/childhood-socioeconomic-position-and-pubertal-onset-in-a-cohort-of-multiethnic-girls-implications-for-breast-cancer
#15
Robert A Hiatt, Susan L Stewart, Kristin S Hoeft, Lawrence H Kushi, Gayle C Windham, Frank M Biro, Susan M Pinney, Mary S Wolff, Susan L Teitelbaum, Dejana Braithwaite
Background: Higher socioeconomic position (SEP) has been associated with increased risk of breast cancer. Its relationship with earlier age of pubertal onset, a risk factor for breast cancer, is less clear. Methods: We studied the relationship of SEP to pubertal onset in a multiethnic cohort of 1,237 girls ages 6 to 8 years at baseline. Girls in three U.S. cities were followed for 5 to 8 years with annual clinical examinations from 2004 to 2012. SEP measures were examined for associations with pubertal onset, assessed by breast budding (thelarche) and pubic hair development (adrenarche)...
December 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28845050/preservation-of-fertility-or-ovarian-function-in-patients-with-breast-cancer-or-gynecologic-and-internal-malignancies
#16
Angrit Stachs, Steffi Hartmann, Bernd Gerber
Because of the efficacy of systemic therapies, neoplasias which occur in pediatric and adolescent patients and in young adults have high cure rates. This means that fulfilling their wish to have children has become a more pressing concern, particularly among young women with malignant tumors. Premature ovarian failure is also a not insignificant problem as it has a lasting detrimental effect on quality of life. Every oncology patient who may potentially wish to have children should be informed about their options for preserving fertility prior to starting treatment...
August 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28800472/phthalate-and-bisphenol-a-exposure-during-in-utero-windows-of-susceptibility-in-relation-to-reproductive-hormones-and-pubertal-development-in-girls
#17
Deborah J Watkins, Brisa N Sánchez, Martha Maria Téllez-Rojo, Joyce M Lee, Adriana Mercado-García, Clara Blank-Goldenberg, Karen E Peterson, John D Meeker
BACKGROUND: Over the past several decades, the age of pubertal onset in girls has shifted downward worldwide. As early pubertal onset is associated with increased risky behavior and psychological issues during adolescence and cardiometabolic disease and cancer in adulthood, this is an important public health concern. Exposure to endocrine disrupting chemicals during critical windows of in utero development may play a role in this trend. Our objective was to investigate trimester-specific phthalate and BPA exposure in relation to pubertal development among girls in the Early Life Exposure in Mexico to Environmental Toxicants (ELEMENT) birth cohort...
November 2017: Environmental Research
https://www.readbyqxmd.com/read/28765858/history-development-and-future-of-cancer-screening-in-australia
#18
Ian N Olver, David Roder
INTRODUCTION: The aim of screening an asymptomatic population for cancer is to achieve better health outcomes, particularly a population survival benefit. Australia has three population screening programs: the National Cervical Screening Program (NCSP), BreastScreen Australia and the National Bowel Cancer Screening Program (NBCSP). METHODS: We reviewed the history and development of the three programs. NCSP: Women have a Pap smear every 2 years from age 18-20, or 2 years after first becoming sexually active, until age 69...
July 26, 2017: Public Health Research & Practice
https://www.readbyqxmd.com/read/28647059/-silhouettes-at-different-age-of-life-retrospective-appreciation-of-corpulence-and-his-impact-on-prevalence-of-hypertension-at-60years
#19
F Thomas, J P Empana, M A Charles, P Boutouyrie, X Jouven, B Pannier, N Danchin
PURPOSE OF THE STUDY: In epidemiological studies, recall of weight and height are not readily available at different ages of life. In order to improve the knowledge of the weight history, Sörensen et al. in 1983, developed a tool from silhouettes allowing an individual to evaluate his corpulence at different ages of life. Validity studies showed that measured weight and size were correlated to 80% in the reported silhouette. Studies have also shown that silhouettes are a good way to trace the weight history in an individual's life...
June 21, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/28622765/unusual-primary-breast-cancer-malignant-peripheral-nerve-sheath-tumor-a-case-report-and-review-of-the-literature
#20
Md Shuayb, Rabeya Begum
BACKGROUND: Sarcomas are a rare type of breast malignancies and malignant peripheral nerve sheath tumors of the breast are even rarer. There are no specific clinical and radiological features for the diagnosis of this tumor and histological features are also reported to be nonspecific. Therefore, immunohistochemistry is required for its diagnosis. A definitive treatment protocol is unavailable because of its rarity. CASE PRESENTATION: We report a case of a sporadic form of breast malignant peripheral nerve sheath tumor found in a 16-year-old Asian Bangladeshi girl...
June 17, 2017: Journal of Medical Case Reports
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