Daniel Buttros, MD
Mastologist and Breast Cancer Specialist · Instituto Assaly Medicina Personalizada
Breast cancer prevention, imaging, survivorship, and lifestyle medicine from a mastology researcher
About
Daniel Buttros, MD is a mastologist, professor, and breast-cancer researcher at Instituto Assaly. He trained in medicine at PUC-SP, completed OB/GYN and mastology residencies at UNESP/Botucatu, and added oncoplastic and breast-reconstruction training through Istituto Europeo di Oncologia in Milan and Brazilian cancer centers. His MSc and PhD at UNESP focused on metabolic syndrome and cardiovascular risk in breast cancer survivors, and his later Albert Einstein lifestyle-medicine postgraduate connects that research to prevention, imaging, survivorship, and whole-person follow-up.
What to Know
Signature approach
Buttros combines diagnostic mastology with survivorship prevention. The consult can involve breast-risk review, clinical exam, mammography or breast-MRI interpretation, family-history context, and post-treatment cardiometabolic planning. For survivors, the lifestyle-medicine layer matters: nutrition, activity, sleep, stress, vitamin D, metabolic syndrome, and cardiovascular risk are part of keeping recovery durable.
What sets them apart
- Mastology plus survivorship research. His master's, doctorate, and publications focus on metabolic and cardiovascular risk in breast cancer survivors.
- Triple specialist titles. Mastology, OB/GYN, and mammography credentials create a prevention-to-imaging-to-treatment context.
- Public-policy and education platform. UNESP faculty work, SBM Public Policy Commission leadership, and Caminhos de Cura give him a larger public breast-health role than a standard clinic profile.
Before You Book
- Care focus: Breast-risk assessment, mastology consults, imaging interpretation, survivorship planning, and lifestyle medicine.
- Care setting: Assaly is the consult setting; surgical procedures route through hospital and oncology networks.
- Visit format: In-person at Jardim Paulista, Monday through Friday.
- Languages: Portuguese is native; English is listed as fluent and Spanish as intermediate in his CV.
Expertise
Focus areas
Patient types
Credentials
Education
MD, Medicine
Pontifícia Universidade Católica de São Paulo (PUC-SP) (2004)
MSc, Gynecology, Obstetrics & Mastology — thesis on metabolic syndrome in postmenopausal breast cancer survivors
Universidade Estadual Paulista (UNESP) — Faculdade de Medicina de Botucatu (2012)
PhD, Gynecology, Obstetrics & Mastology — doctoral thesis on HSP 60/70 and cardiovascular risk in postmenopausal breast cancer survivors
Universidade Estadual Paulista (UNESP) — Faculdade de Medicina de Botucatu (2018)
Postgraduate Specialization, Lifestyle Medicine (360h)
Hospital Israelita Albert Einstein (2022)
International Fellowship, Breast Reconstruction Surgery (160h)
Istituto Europeo di Oncologia (IEO), Milan, Italy (2009)
Board certifications
Specialist Title in Mastology (TEMa)
Sociedade Brasileira de Mastologia (SBM) / AMB
Brazilian board certification in mastology — the equivalent of an ABMS specialty board certification in breast diseases. Buttros also sits on the SBM commission that examines new TEMa candidates.
Specialist Title in Obstetrics & Gynecology (TEGO)
FEBRASGO / AMB
Brazilian board certification in OB/GYN — a Brazilian board-equivalent of an ABOG specialty certification.
Specialist Title in Mammography
Colégio Brasileiro de Radiologia (CBR) / AMB
Brazilian AMB sub-specialty title in mammography (breast imaging).
Residency
Obstetrics & Gynecology
UNESP/Botucatu (Faculdade de Medicina de Botucatu)
Mastology
UNESP/Botucatu (Faculdade de Medicina de Botucatu)
Fellowship
Breast Reconstruction Surgery
Istituto Europeo di Oncologia (IEO), Milan
Oncoplastic Breast Surgery (rotation)
Hospital de Câncer de Barretos / Fundação Pio XII
Additional certifications
Advanced Course in Breast MRI
CETRUS
Two CETRUS courses (2010 and 2021, 26h + 30h) in breast magnetic-resonance interpretation — an advanced imaging modality used for high-risk screening and treatment planning.
Vice-President — Public Policy Commission
Sociedade Brasileira de Mastologia (SBM)
Leadership role at the Brazilian national breast-disease specialty society.
Member — Specialist Title Examination Commission for Mastologia (TEMa)
Sociedade Brasileira de Mastologia (SBM)
Sits on the SBM committee that examines and certifies new Brazilian mastology specialists.
Years in practice
16
Affiliations
Thought Leadership
Publications
- High risk for cardiovascular disease in postmenopausal breast cancer survivors · Menopause, 2019
- Negative Impact of Vitamin D Deficiency at Diagnosis on Breast Cancer Survival in Postmenopausal Women · Journal of Oncology (Wiley), 2022
- Lipoprotein(a) in patients with breast cancer after chemotherapy · Lipids in Health and Disease, 2023
- Effectiveness of mindfulness-based interventions on quality of life in women breast cancer survivors: a systematic review and meta-analysis · PubMed-indexed systematic review, 2025
- Relação da síndrome metabólica com o câncer de mama · Revista Brasileira de Mastologia, 2014
Media Appearances
- 21º Jornada Paulista de Mastologia — co-organizer · Sociedade Brasileira de Mastologia (SBM) · 2025
- 4º Simpósio Internacional de Mastologia do Interior Paulista (SIMIP) — co-organizer · SIMIP / SBM · 2025
- Pre-Congress Course 'Cuidado Integral à Mulher Tratada de Câncer de Mama' — coordinator · 25º Congresso Brasileiro de Mastologia · 2023
Notable Collaborators
- Graziela Ravacci, RD · Co-organized the 2022 PREVEN cancer-prevention symposium; co-advised UNESP graduate work on physical exercise in breast cancer survivors. Also a sibling team member at Instituto Assaly.
- Eliana Aguiar Petri Nahás, MD-PhD · Doctoral and master's advisor at UNESP/Botucatu; co-author on the cardiovascular-risk and metabolic-syndrome publication arc in postmenopausal breast cancer survivors.
Other specialists at Instituto Assaly Medicina Personalizada
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