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Doctoral Thesis
DOI
https://doi.org/10.11606/T.5.2020.tde-01022021-145856
Document
Author
Full name
Nuberto Hopfgartner Teixeira
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2019
Supervisor
Committee
Costa, Marcio Paulino (President)
Ching, An Wan
Fonseca, Alexandre Siqueira Franco
Jacomo, Alfredo Luiz
Paggiaro, André Oliveira
Title in Portuguese
Análise de receptores hormonais de estrógeno e progesterona em hipertrofia mamária versus normomastia, avaliação de presença e densidade com uma nova proposta de classificação das hipertrofias mamárias
Keywords in Portuguese
Gigantomastia
Hipertrofia mamária
Macromastia
Mama
Receptor hormonal
Abstract in Portuguese
A hipertrofia mamária é considerada uma patologia com potencial incapacitante. É uma patologia que impinge consequências fortemente deletérias para as pacientes que a portam graças aos seus sintomas debilitantes1. Um grande aumento de volume mamário acomete número significativo de mulheres, com impacto na saúde, incluindo dano postural2, 3, dermatites de sulco mamário, danos psicossociais4, sexuais5 e de autoestima6, reduzindo diretamente a qualidade de vida das pacientes acometidas7-12. Este estudo visa, definitivamente, organizar o conhecimento acerca da presença e expressão mais densa de receptores hormonais de estrógeno e progesterona na hipertrofia mamária, avaliando 166 casos operados prospectivamente. A comparação entre os casos será entre os pesos mamários, além de detalhar sua densidade de ligação com receptor hormonal e em qual tecido estes receptores se encontram, epitelial ou estromal, avaliando ambos hormônios em 100% dos casos. Alguns fatores de confusão vão ser analisados como IMC e lipossubstituição, e idade. Após avaliação dos resultados, objetiva-se deixar clara a relação de presença dos receptores hormonais em hipertrofia mamária, provar seu aumento de densidade em hipertrofias mamárias e propor uma classificação nova, mais funcional, classificação tal que realmente interessem ao seu tratamento e seguimento
Title in English
Analysis of estrogen and progesterone hormone receptors in normomastia versus mammary hypertrophy, presence and density new proposal for the classification of breast hypertrophy
Keywords in English
Breast
Breast hypertrophy
Gigantomastia
Hormone receptor
Macromasty
Abstract in English
Introduction: Breast hypertrophy is considered a pathology with disabling potential. It is a condition that causes severe deleterious consequences for patients with it, due to its debilitating symptoms.1 A large breast enlargement affects a significant number of women, with health impact including postural damage2,3, breast groove dermatitis, damage psychosocial4, sexual5 and self-esteem6, directly reducing the quality of life of affected patients.7,8,9,10,119,121 Objective: To compare the presence and density of estrogen and progesterone hormone receptors in two groups of different weight breasts: first group with normo or hypomastia and the second group with mammary hypertrophy. At the end of the study a new classification will be proposed. Methods: A total of 166 cases were operated, 138 cases of mammary hypertrophy and 28 cases of normomastia. Normomastia cases were evaluated with breast resection weight of 300g or less, while breast hypertrophy will be considered 300g or more of resected weight. This study is unheard of to have an extremely relevant "N", evaluate both estrogen and progesterone receptors in 100% of cases, assess binding density in all cases and statistically compare density between groups, and evaluate other data. such as age, BMI and breast liposubstitution as possible bias. Results: The mammary hypertrophy group presented higher percentage of estrogen and progesterone hormone receptors than in the normomastia group, with a statistically significant difference (p < 0.01). In normomastia there are cases of estrogen and progesterone receptors, both negative in 25% of cases, in mammary hypertrophies there are not, being at least one of the two hormonal receptors positive
 
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Publishing Date
2021-02-03
 
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