Publications by authors named "Antonio Maffuz-Aziz"

This study is aimed at investigating the 10-year outcomes of intraoperative radiotherapy (IORT) in Mexican women with early breast cancer (EBC) treated at the Centro Medico ABC, Mexico City. A cohort study included women with early-stage invasive ductal carcinoma aged ≥ 45 years without prior oncologic treatment, tumor size ≤ 3.5 cm, cN0M0, positive hormone receptors, margins ≥ 2 mm, negative sentinel lymph nodes, and no extensive lymphovascular invasion.

View Article and Find Full Text PDF

Introduction: Obesity has been associated with an increased risk of biologically aggressive variants in breast cancer. Women with obesity often have tumors diagnosed at later stages of the disease, associated with a poorer prognosis and a different response to treatment. Human cell lines have been derived from specific subtypes of breast cancer and have served to define the cell physiology of corresponding breast cancer subtypes.

View Article and Find Full Text PDF

Background: Adherence to clinical practice guidelines improves outcomes for patients with breast cancer. However, their implementation may not be feasible in low- and middle-income countries. This study aimed to evaluate physicians' adherence, attitudes, and barriers towards the Colima Consensus, which is the Mexican national breast cancer clinical practice guideline.

View Article and Find Full Text PDF

Background: Robotic surgery is a technological advance that is used in multiple surgical specialties in the world. Its acceptance in various areas has been supported by comparative studies with laparoscopic surgery and open surgery.

Objective: To document the robotic surgery program initial experience in a private hospital of Mexico City by analyzing its results and complications.

View Article and Find Full Text PDF

Thyroid cancer is the most common endocrine malignancy, presenting with 23 500 new cases per year in the United States. About 7-23% of the patients will present recurrent metastases disease during follow-up. The classic variant of papillary carcinoma is less aggressive compared to its other variants like diffuse sclerosing, tall cell or columnar cell, and insular variants, and the sites to which this metastasizes is already well identified.

View Article and Find Full Text PDF

Objective: To evaluate the change in adjuvant therapeutic decision in a cohort of young women with breast cancer discussed by a multidisciplinary team, before and after EndoPredict testing.

Patients And Methods: 99 premenopausal women with hormone receptor-positive, HER2-negative, T1-T2, and N0-N1 breast cancer were included. Clinicopathological characteristics were recorded and cases were presented in a multidisciplinary tumor board.

View Article and Find Full Text PDF

Triple-negative breast cancer (TNBC) is a heterogeneous and aggressive neoplasia lacking the expression of hormonal receptors and human epidermal growth factor receptor-2. Accumulating evidence has highlighted the importance of miRNAs dysregulation in the establishment of cancer programs, but the functional role of many miRNAs remains unclear. The description of miRNAs roles might provide novel strategies for treatment.

View Article and Find Full Text PDF

Background: Phyllodes tumor (PT) of the breast in Hispanic patients is more frequently reported with large tumors and with more borderline/malignant subtypes compared with other populations. The objective of this study was to describe characteristics of patients with PT and to identify differences among subtypes in a Mexican population.

Methods: A retrospective study was conducted on patients with PT.

View Article and Find Full Text PDF

Objective: To show the incidence, as well as the clinical and histopathological characteristics, of patients diagnosed with mammary salivary gland-like carcinomas at our institution.

Materials And Methods: A retrospective study was conducted in all women diagnosed with breast cancer at our institution from January 2005 to February 2016. Patients with diagnosis of salivary gland-like breast carcinomas were included.

View Article and Find Full Text PDF

Background: Breast cancer is the most common among women in our country, and its treatment is based on prognostic factors to categorize patients into different risk groups. In this study, the clinical and pathological features that play a role as a prognostic factor in a representative population with breast cancer in México are described.

Material And Methods: A descriptive analysis of the clinical and pathological features of women diagnosed with breast cancer, in a period from June 2005 to May 2014; registered in a database and calculated by simple frequencies.

View Article and Find Full Text PDF

Background: Breast cancer is the leading oncological cause of death in Mexican women over 25 years old. Given the need to improve postoperative cosmetic results in patients with breast cancer, oncoplastic surgery has been developed, which allows larger tumour resections and minor cosmetic alterations.

Objective: To determine the oncological feasibility and cosmetic outcome of oncoplastic surgery at the Instituto de Enfermedades de la Mama, FUCAM, AC.

View Article and Find Full Text PDF

Introduction: Breast cancer is heterogeneous, with different responses to NC even within similar histology and stages.

Objective: To evaluate clinical/pathological response to NC according to different tumor subtypes in Mexican breast cancer patients.

Patients And Methods: Retrospective study of patients with breast cancer stages II-III, and complete immunohistochemistry (IHC), such as hormonal receptors HER2 and Ki67, treated with NC and surgery.

View Article and Find Full Text PDF

Background: Sentinel lymph node biopsy in patients with ductal carcinoma in situ still controversial, with positive lymph node in range of 1.4-12.5% due occult invasive breast carcinoma in surgical specimen.

View Article and Find Full Text PDF

Background: Breast cancer treatment leads mutilation and destruction of breast shape, with negative effects on body image and self-esteem.

Objectives: Assessment on quality of life after breast reconstruction surgery, impact on sexuality, the cosmetic outcome experienced by the patient, and compare result with patients who refused breast reconstruction.

Material And Methods: Retrospective, observational, descriptive, analytic study.

View Article and Find Full Text PDF

Breast carcinoma is the leading cause of cancer-related mortality in women worldwide, with an estimated 1.38 million new cases and 458,000 deaths in 2008 alone. This malignancy represents a heterogeneous group of tumours with characteristic molecular features, prognosis and responses to available therapy.

View Article and Find Full Text PDF

microRNA expression signatures can differentiate normal and breast cancer tissues and can define specific clinico-pathological phenotypes in breast tumors. In order to further evaluate the microRNA expression profile in breast cancer, we analyzed the expression of 667 microRNAs in 29 tumors and 21 adjacent normal tissues using TaqMan Low-density arrays. 130 miRNAs showed significant differential expression (adjusted P value = 0.

View Article and Find Full Text PDF

Introduction: Ovarian cancer (OC) is the third most common gynecologic malignancy worldwide. Most of cases it is of epithelial origin. At the present time there is not a standardized screening method, which makes difficult the early diagnosis.

View Article and Find Full Text PDF

Introduction: Endometrial cancer (EC) is the second most common gynecologic malignancy worldwide in the peri and postmenopausal period. Most often for the endometrioid variety. In early clinical stages long-term survival is greater than 80%, while in advanced stages it is less than 50%.

View Article and Find Full Text PDF

Introduction: Laparoscopic hysterectomy (LH) is a safe surgical approach that offers patients a faster recovery. However, its use in malignant or premalignant gynecological lesions is not well established. The objective of the present study was to show the feasibility of LH in a tertiary cancer center.

View Article and Find Full Text PDF

Introduction: Several advances have been made in the management of hyperparathyroidism. The preoperative sestamibi scan appears to have revolutionized the entire approach to parathyroid surgery including minimally invasive parathyroidectomy. Gamma probe is a useful tool that complements a well performed localization of parathyroid adenomas.

View Article and Find Full Text PDF