TP53 Gene Polymorphism at Codon 72 as a Response Predictor for Neoadjuvant Chemotherapy.

Introduction: Breast cancer is the most prevalent cancer in women worldwide, and neoadjuvant chemotherapy is a favored method for achieving pathologic complete response (pCR). The TP53 gene is involved in inducing the response to chemotherapy drugs. Objectives: The present study sought to correlate polymorphism variants at codon 72 with pCR to neoadjuvant chemotherapy. Casuistry and Methods: The study was conducted in the state of Sergipe, in northeastern Brazil. A total of 206 patients with a histopathological diagnosis of breast cancer who underwent neoadjuvant chemotherapy from 2019 to 2022 were included. DNA samples were collected for the evaluation of TP53 polymorphism at codon 72. A prospective evaluation of the cases was conducted to verify the surgical pathologic response after chemotherapy; the Response Evaluation Criteria in Solid Tumors (RECIST) were used. The study was approved by the University of São Paulo Ethics and Research Committee. Results: Of the 168 patients, 44.6% were Arg72Arg, 17.3% were Pro72Pro, and 38.0% were Arg72Pro; pCR was achieved in 21.4% of the patients; 10.1% had progressive disease, 13.7% had stable disease, and 54.2% had a partial pathologic response. The only predictor of pCR in multivariate regression was immunohistochemistry (p < 0.001). In the multivariate analysis, Arg72Pro and Pro72Pro increased the odds of the patient evolving with stable disease. This study was innovative in demonstrating a predictor of stable disease in response to neoadjuvant chemotherapy. Conclusion: TP53 polymorphism at codon 72 is not a predictor of pCR, but it can be a predictor of stable disease.

Ultrasound Measurement of the Distance between the Breast Tumor and the Skin: A Cut-Off Value for Safe Skin Preservation - Diagnostic Accuracy Study.

Background: In superficial tumors of the breast, it is necessary to plan the thickness of surgical skin flaps, and whether skin can be preserved for esthetics results. This study aimed to find an ultrasound-measured cut-off distance between tumor and skin (TSD) that allows patients to have the skin over the tumor spared. Methods: This is a diagnostic accuracy study comparing preoperative ultrasound TSD with pathological TSD and the thickness of the skin flaps. We recruited all consecutive women diagnosed with breast cancer between January 2017 and December 2019 whose surgical planning allowed to have the tumor and overlying skin to be removed in bloc (reconstruction procedures, situations where skin removal would not lead to esthetic problems, and superficially located tumors). Measurements were made: preoperatively (by ultrasound), during surgery (using a metal caliper to obtain the thickness of surgical skin flap), and after surgery (pathological). A pathological tumor-skin distance greater than surgical skin flap thickness would indicate preservation of skin above the tumor. Results: We evaluated 95 consecutive patients with 102 lesions. The average surgical flap thickness was 5.5 mm (3-10 mm). The ultrasound-measured cut-off TSD of 2.1 mm obtained 96.0% accuracy in predicting free anterior margin, considering a 5-mm-thick surgical flap. Conclusion: In breast superficial tumors, a cut-off distance of 2.1 mm or more measured preoperatively by ultrasound allows safe preservation of the skin above the tumor. Future studies need to follow up for longer the women submitted to skin preservation surgeries, especially those not undergoing radiotherapy.

Effect of acupuncture in myelosuppression and quality of life in women with breast cancer undergoing chemotherapy: a randomized clinical study.

OBJECTIVE: This study aimed to evaluate the effect of acupuncture on myelosuppression and quality of life in women with breast cancer during treatment with anthracyclines (ANT). METHODS: Women with indication for ANT chemotherapy were randomized into two groups: acupuncture group (AG) and control group (CG). A quality of life questionnaire (FACT-G) and peripheral blood levels of the participants were evaluated before and at the end of treatment. The AG was submitted to an acupuncture intervention, starting before the first chemotherapy infusion, and continuing throughout the treatment. RESULTS: A total of 26 women were randomized into 2 groups: AG (10) and CG (16). Of these, 26.9% had a dense dose indication according to the service's protocol for the administration of granulocyte-stimulating factor (G-CSF) from the first cycle, not participating in the analysis. The need for secondary prophylaxis with G-CSF occurred in 72.7% in the control group versus 12% in the acupuncture group. Regarding quality of life (QoL), it was observed that the groups did not initially differ from each other. At the end of the treatment, there was a significant difference in the AG for the physical (GP) (p-value=0.011), social/family (GS) (p-value=0.018), and functional (GF) (p-value=0.010) domains, regarding the initial and final FACT-G showed a difference between the groups, where the GA average at the end rose from 80.68 to 90.12 (p-value = 0.004) and in the CG the average dropped from 81.95 to 70.59 (p-value=0.003). CONCLUSION: Acupuncture was efficient in the secondary prophylaxis of myelosuppression during chemotherapy and the quality of life of women during treatment has increased. TRIAL REGISTRATION: Brazilian Registry of Clinical Trials - Rebec on 06/28/2018, registration number U1111-1216-3921, Rebec Trial RBR-7BWJ6R.

Survival and recurrence with or without axillary dissection in patients with invasive breast cancer and sentinel node metastasis.

To evaluate overall survival and locoregional recurrence between patients with invasive breast tumours and sentinel node metastasis undergoing sentinel lymph node dissection (SLND) alone and those undergoing complete axillary lymph node dissection (ALND). In this retrospective cohort study, we reviewed the medical records of patients with invasive breast carcinoma who underwent lumpectomy at a public university hospital in Brazil between 2008 and 2018. We evaluated the overall survival and the locoregional recurrence using Kaplan-Meier and Cox regression analyses, respectively. Overall, 97 participants who underwent lumpectomy were enroled; 41 in the ALND group, and 56 in the SLND group, according to Z0011 criteria. Only 17% of the patients in the ALND group had an additional biopsy-proven axillary disease, and 83% were treated with complete dissection unnecessarily. The 5-year survival rates were 80.1% and 87.5% for SLND and ALND, respectively (p = 0.376). Locoregional recurrence was rare (1.7% and 7.3% in the SLND and ALND, respectively; p = 0.3075). Overall survival and locoregional recurrence were similar between the two groups. The de-escalation of ALND to SLND in women with metastasis in the sentinel lymph node treated with conservative surgery and radiotherapy that meet the Z0011 criteria is feasible even in developing countries.

Ductal Carcinoma in situ: Underestimation of Percutaneous Biopsy and Positivity of Sentinel Lymph Node Biopsy in a Brazilian Public Hospital.

BACKGROUND: Mammography screening has become widely spread and provided a marked increase in ductal carcinoma in situ (DCIS) diagnosis. In DCIS, the ductal epithelium proliferates without invasion through the basal cell membrane. However, histologic underestimation can happen in some cases. OBJECTIVE: To analyze the rate of histologic underestimation (histopathologic results upgraded to invasive carcinoma after surgery) and the rate of positive results of sentinel lymph node biopsy (SLNB) in patients diagnosed with DCIS in a Brazilian public hospital. METHODS: We reviewed medical records of all consecutive patients admitted between 2009 and 2013 whose initial diagnosis was DCIS through core needle biopsy. DCIS cases with a high risk of invasion underwent SLNB. We excluded cases with invasion or micro-invasion components in the first biopsy. RESULTS: A total of 86 women were included, most with microcalcifications as the primary radiological lesion (73.2%), and underwent preoperative biopsy, with an invasive component in 21 (24.4%) in the final pathology report. Most had invasive carcinoma of no special type (NST): 52.3% (n = 11) and microinvasive tumors (7 cases, 33.3%). The main factors associated with histologic underestimation were nodular lesion (61.9%, p<0.001) and an ultra-sonography-guided biopsy (71.4%, p=0.0005). The positivity rate of SLNB was 4.3%. All these patients underwent mastectomy, and the initial histologic pattern was solid DCIS. CONCLUSION: The "histologic underestimation" rate among patients with DCIS was not low, and less than 5% of patients who underwent SLNB had axillary positivity. This result suggests that patients who have DCIS and a high risk of invasion and undergoing mastectomy should have SLNB. As to the patients who will undergo lumpectomy, SLNB could be omitted and could be performed if patients have upgraded to invasive breast cancer.

Prevalence of xerostomia in women during breast cancer chemotherapy.

OBJECTIVE: To identify the prevalence of xerostomia in women undergoing chemotherapy for breast cancer. METHOD: Prospective cohort with 27 women who underwent up to 16 sessions of intravenous chemotherapy. Data collection was performed at the outpatient clinic of a university hospital in the city of São Paulo, where two forms were applied before the start of treatment and the Xerostomia Inventory before and after each chemotherapy session. RESULTS: Complaints of dry mouth were present in 48.1% of women before chemotherapy, and they were approximately 28 times more likely to develop dry mouth during treatment. It was observed that the use of antiemetics contributed to the occurrence of xerostomia, and the anti-ulcerous were presented as a protective factor. CONCLUSION: The study identified both a high prevalence of xerostomia regardless of the chemotherapy used and the need to create protocols to improve the quality of life of these patients.

Early Free Range-of-Motion Upper Limb Exercises After Mastectomy and Immediate Implant-Based Reconstruction Are Safe and Beneficial: A Randomized Trial.

BACKGROUND: This study assessed the impact that free range-of-motion (ROM) upper limb exercises 15 or 30 days after mastectomy and immediate implant-based reconstruction has on surgical complications and kinetic-functional recovery. METHODS: This randomized clinical trial included 60 women who had breast cancer treated with mastectomy and immediate implant or tissue expander reconstruction. The patients initiated the exercises with shoulder ROM limited to 90° the day after surgery. After 2 weeks, the patients were randomized into two groups of 30 patients each: the "free-range group," which permitted shoulder range exercises until limited by pain or wound dehiscence, and the "limited-range group," which maintained shoulder movement restriction at 90° until 30 days after surgery, at which time they also were allowed to perform free-range exercises. The patients underwent evaluations preoperatively, then 7, 15, 30, 60, and 90 days after surgery. The primary outcomes were incidence and prevalence of dehiscence and seroma and incidence of infection and necrosis. The secondary outcomes were shoulder ROM, pain, and upper limb function. RESULTS: The two groups did not differ in terms of incidence and prevalence of postoperative complications. The patients with free upper limb exercise 15 days after surgery had less pain, greater shoulder amplitude, and better upper limb function than those who had movement restricted to 90° for 30 days. CONCLUSION: The postoperative protocol with free shoulder ROM on the 15th day after surgery is safe and beneficial in terms of kinetic-functional recovery and pain control for patients after mastectomy and immediate implant-based reconstruction. CLINICAL TRIALS REGISTER: NCT02480842.

Prevalence of xerostomia in women during breast cancer chemotherapy / Prevalencia de la xerostomía en mujeres durante la quimioterapia por cáncer de mama / Prevalência da xerostomia em mulheres durante a quimioterapia por câncer de mama

ABSTRACT Objective: To identify the prevalence of xerostomia in women undergoing chemotherapy for breast cancer. Method: Prospective cohort with 27 women who underwent up to 16 sessions of intravenous chemotherapy. Data collection was performed at the outpatient clinic of a university hospital in the city of São Paulo, where two forms were applied before the start of treatment and the Xerostomia Inventory before and after each chemotherapy session. Results: Complaints of dry mouth were present in 48.1% of women before chemotherapy, and they were approximately 28 times more likely to develop dry mouth during treatment. It was observed that the use of antiemetics contributed to the occurrence of xerostomia, and the anti-ulcerous were presented as a protective factor. Conclusion: The study identified both a high prevalence of xerostomia regardless of the chemotherapy used and the need to create protocols to improve the quality of life of these patients.

RESUMEN Objetivo: Identificar la prevalencia de la xerostomía en las mujeres en tratamiento quimioterápico por cáncer de mama. Método: Cohorte prospectiva con 27 mujeres que realizaron hasta 16 sesiones de quimioterapia endovenosa. La recogida de datos ha sido realizada en el ambulatorio de un hospital universitario en la ciudad São Paulo, donde han sido aplicados dos formularios antes del inicio del tratamiento y el Xerostomia Inventory antes y después de cada sesión de quimioterapia. Resultados: La queja de boca seca estuvo presente en 48,1% de las mujeres antes de la quimioterapia, y ellas tuvieron aproximadamente 28 veces más chance de desarrollar la xerostomía durante el tratamiento. Se observó que el uso de antieméticos contribuyó para la ocurrencia de xerostomía, y los antiulcerosos se presentaron como factor de protección. Conclusión: El estudio identificó tanto una alta prevalencia de xerostomía independientemente de la quimioterapia empleada cuanto la necesidad de la creación de protocolos visando a la mejoría de la calidad de vida de esas pacientes.

RESUMO Objetivo: Identificar a prevalência da xerostomia nas mulheres em tratamento quimioterápico por câncer de mama. Método: Coorte prospectiva com 27 mulheres que realizaram até 16 sessões de quimioterapia endovenosa. A coleta de dados foi realizada no ambulatório de um hospital universitário na cidade de São Paulo, onde foram aplicados dois formulários antes do início do tratamento e o Xerostomia Inventory antes e após cada sessão de quimioterapia. Resultados: A queixa de boca seca esteve presente em 48,1% das mulheres antes da quimioterapia, e elas tiveram aproximadamente 28 vezes mais chance de desenvolver a xerostomia durante o tratamento. Observou-se que o uso de antieméticos contribuiu para a ocorrência de xerostomia, e os antiulcerosos se apresentaram como fator de proteção. Conclusão: O estudo identificou tanto uma alta prevalência de xerostomia independentemente da quimioterapia empregada quanto a necessidade da criação de protocolos visando à melhoria da qualidade de vida dessas pacientes.

Prevalence of xerostomia in women during breast cancer chemotherapy / Prevalencia de la xerostomía en mujeres durante la quimioterapia por cáncer de mama / Prevalência da xerostomia em mulheres durante a quimioterapia por câncer de mama

ABSTRACT Objective: To identify the prevalence of xerostomia in women undergoing chemotherapy for breast cancer. Method: Prospective cohort with 27 women who underwent up to 16 sessions of intravenous chemotherapy. Data collection was performed at the outpatient clinic of a university hospital in the city of São Paulo, where two forms were applied before the start of treatment and the Xerostomia Inventory before and after each chemotherapy session. Results: Complaints of dry mouth were present in 48.1% of women before chemotherapy, and they were approximately 28 times more likely to develop dry mouth during treatment. It was observed that the use of antiemetics contributed to the occurrence of xerostomia, and the anti-ulcerous were presented as a protective factor. Conclusion: The study identified both a high prevalence of xerostomia regardless of the chemotherapy used and the need to create protocols to improve the quality of life of these patients.

RESUMEN Objetivo: Identificar la prevalencia de la xerostomía en las mujeres en tratamiento quimioterápico por cáncer de mama. Método: Cohorte prospectiva con 27 mujeres que realizaron hasta 16 sesiones de quimioterapia endovenosa. La recogida de datos ha sido realizada en el ambulatorio de un hospital universitario en la ciudad São Paulo, donde han sido aplicados dos formularios antes del inicio del tratamiento y el Xerostomia Inventory antes y después de cada sesión de quimioterapia. Resultados: La queja de boca seca estuvo presente en 48,1% de las mujeres antes de la quimioterapia, y ellas tuvieron aproximadamente 28 veces más chance de desarrollar la xerostomía durante el tratamiento. Se observó que el uso de antieméticos contribuyó para la ocurrencia de xerostomía, y los antiulcerosos se presentaron como factor de protección. Conclusión: El estudio identificó tanto una alta prevalencia de xerostomía independientemente de la quimioterapia empleada cuanto la necesidad de la creación de protocolos visando a la mejoría de la calidad de vida de esas pacientes.

RESUMO Objetivo: Identificar a prevalência da xerostomia nas mulheres em tratamento quimioterápico por câncer de mama. Método: Coorte prospectiva com 27 mulheres que realizaram até 16 sessões de quimioterapia endovenosa. A coleta de dados foi realizada no ambulatório de um hospital universitário na cidade de São Paulo, onde foram aplicados dois formulários antes do início do tratamento e o Xerostomia Inventory antes e após cada sessão de quimioterapia. Resultados: A queixa de boca seca esteve presente em 48,1% das mulheres antes da quimioterapia, e elas tiveram aproximadamente 28 vezes mais chance de desenvolver a xerostomia durante o tratamento. Observou-se que o uso de antieméticos contribuiu para a ocorrência de xerostomia, e os antiulcerosos se apresentaram como fator de proteção. Conclusão: O estudo identificou tanto uma alta prevalência de xerostomia independentemente da quimioterapia empregada quanto a necessidade da criação de protocolos visando à melhoria da qualidade de vida dessas pacientes.

Effectiveness and Safety of Implant-Based Breast Reconstruction in Locally Advanced Breast Carcinoma: A Matched Case-Control Study.

BACKGROUND: Immediate implant-based breast reconstruction (IBBR) is rarely performed in patients with locally advanced breast carcinoma (LABC). It has not been considered the best indication, and the literature is scarce about this subject. PATIENTS AND METHODS: A retrospective matched case-control study was performed in patients with LABC submitted to neoadjuvant chemotherapy (NCT). Forty-eight patients undergoing immediate IBBR were matched with 96 patients undergoing conventional mastectomy. Patients were matched according to 2 models based on prognostic characteristics prior to NCT and response to NCT. Local recurrence and disease-free survival were compared between the groups. In the IBBR group, local complications were evaluated. RESULTS: In all, 196 patients were evaluated. The mean tumour size of IBBR patients was 5.8 cm. 83.3% (180/196) of the patients had clinical stage III. At a mean follow-up of 74.7 months, the local recurrence rate was 6.2% (3/48), 15.6% (15/96) and 13.7% (13/95) in the IBBR, model 1 and model 2 groups, respectively (p > 0.05). Disease-free survival was higher in the IBBR group than in the model 1 group (mean 88.8 vs. 73.7 months; p = 0.05). In the group submitted to IBBR, 14.6% (7/48) of patients presented loss of prosthesis and 48.8% (20/41) developed capsular contracture. CONCLUSION: Immediate IBBR may be a safe and effective surgical procedure in selected patients with LABC.

Evaluation of body image, quality of life, tactile sensitivity and pain in women with breast cancer submitted to surgical intervention.

OBJECTIVE: Breast cancer is one of the most common types of tumor in the world and the most common among women. There are several treatments for breast cancer; however, the condition often can be accompanied by severe complications in a woman's life. To evaluate and compare body image perception, quality of life, tenderness, and pain in women with breast cancer during preoperative and postoperative periods of 30, 60 and 90 days. MATERIALS AND METHODS: We conducted a prospective longitudinal study. The patients answered the questionnaire "How I relate to my own body", EORTC QLQ-C30 and EORTC QLQ-BR23. We assessed upper limb and breast sensitivity with an esthesiometer. Patients were questioned about the presence and level of pain on a scale of 0 to 10. RESULTS: For body image, it was possible to observe a significant difference between pre and postoperative at 30 days. There were changes in some areas of the EORTC QLQ C30 and EORTC QLQ BR23 questionnaires, such as arm and breast symptoms, social function, constipation, sexual function and satisfaction, among others. For evaluation of breast and axilla sensitivity and assessment of pain, all postoperative periods showed significant differences when compared to the preoperative period. The sensitivity of the inner region of the arm presented no significant change. CONCLUSION: The difference found in the study shows that evaluations on all scales should be done in several periods, using a proper treatment for the changes and individuality of each patient.

Advanced Stage Breast Sarcoma Treatment in a Third World Country Public Hospital.

The case reports a 49-year-old patient, drug-addicted, undernourished, and homeless, who was referred to our service presenting a diagnostic of breast sarcoma and ulcerating tumor which extended from the right breast to the right flank. She underwent hygienic mastectomy and, as it developed, she presented a range of complications, culminating in the recurrence of the tumor and pulmonary metastasis few months after her initial treatment. There is relevance in our study not only because it reports the development of the breast sarcoma, rare neoplasm, and its aggressiveness with fast recurrence, but also because it exposes the impact of biopsychosocial behavior of this patient in her clinical outcome.

Evaluation of body image, quality of life, tactile sensitivity and pain in women with breast cancer submitted to surgical intervention

SUMMARY Breast cancer is one of the most common types of tumor in the world and the most common among women. There are several treatments for breast cancer; however, the condition often can be accompanied by severe complications in a woman's life. OBJECTIVE: o evaluate and compare body image perception, quality of life, tenderness, and pain in women with breast cancer during preoperative and postoperative periods of 30, 60 and 90 days. MATERIALS AND METHODS: We conducted a prospective longitudinal study. The patients answered the questionnaire "How I relate to my own body", EORTC QLQ-C30 and EORTC QLQ-BR23. We assessed upper limb and breast sensitivity with an esthesiometer. Patients were questioned about the presence and level of pain on a scale of 0 to 10. RESULTS: For body image, it was possible to observe a significant difference between pre and postoperative at 30 days. There were changes in some areas of the EORTC QLQ C30 and EORTC QLQ BR23 questionnaires, such as arm and breast symptoms, social function, constipation, sexual function and satisfaction, among others. For evaluation of breast and axilla sensitivity and assessment of pain, all postoperative periods showed significant differences when compared to the preoperative period. The sensitivity of the inner region of the arm presented no significant change. CONCLUSION: The difference found in the study shows that evaluations on all scales should be done in several periods, using a proper treatment for the changes and individuality of each patient.

RESUMO O câncer de mama é um dos tipos mais comuns de tumores no mundo e o tipo mais comum entre as mulheres. Existem tratamentos severos para o câncer de mama, no entanto, em muitos casos, podem ser acompanhados por complicações sérias para a vida da mulher. OBJETIVO: Avaliar e comparar a percepção da imagem corporal, a qualidade de vida, a sensibilidade e a dor em mulheres com câncer de mama nos períodos pré-operatório e pós-operatório de 30, 60 e 90 dias. MÉTODOS: Foi realizado um estudo longitudinal prospectivo. Os pacientes responderam ao questionário "Como me relaciono com meu próprio corpo", o EORTC QLQ-C30 e o EORTC QLQ-BR23. Fizemos uma avaliação da sensibilidade do membro superior e da mama com um estesiômetro. Os pacientes foram questionados sobre a presença de dor e seu nível em uma escala de 0 a 10. RESULTADOS: Para a imagem corporal, foi possível observar uma diferença significativa entre o pré e pós-operatório de 30 dias. Mostrou mudanças em algumas áreas dos questionários EORTC QLQ C30 e EORTC QLQ BR23, como sintomas de braço e mama, função social, constipação e função sexual e satisfação, entre outros. Para avaliação da sensibilidade mamária e axilar e avaliação da dor, todos os períodos de pós-operatório apresentaram diferenças significativas quando comparados ao período pré-operatório. A sensibilidade da região interna do braço não apresentou mudanças significativas. CONCLUSÃO: A diferença encontrada no estudo mostra que as avaliações em todas as escalas devem ser feitas em vários períodos, utilizando um tratamento adequado que enfrente as mudanças e a individualidade de cada paciente.

Complex Therapy Physical alone or Associated with Strengthening Exercises in Patients with Lymphedema after Breast Cancer Treatment: a Controlled Clinical Trial

Objective: To compare a complex physical therapy (CPT) protocol alone or combined with complex physical therapy muscle more strength training (CPT+ST) in patients with lymphedema after breast cancer treatment regarding strength and limb muscle volume. Methods: In this controlled clinical trial, consecutive patients treated from breast cancer from April 2014 to December 2015 were allocated in two groups, the CPT group 1 and the CPT+ST group 2, that performed CPT associated with muscle strengthening. Patients in the CPT group 1 received the routine protocol of care, consisting of manual lymphatic drainage (MLD), multilayer bandage compression therapy, skin care and regular exercises. Patients CPT+ST performed, 2 sets of 10 repetitions exercises at 40% of maximal voluntary contraction the first week, increasing to 3 sets with 10 repetitions during the second and third weeks, 3 sets with 15 repetitions, for 8 weeks, 50 minutes per session, twice per week. Strength and muscle volume were analyzed. Result: In the study period, 42 patients were enrolled, 22 in the CPT group 1 and 20 in the CPT+ST group 2. Only 36 completed treatment. Both groups showed similar increases in the range of movement in: shoulder flexion, extension, adduction, abduction and external rotation. Internal rotation showed less improvement in CPT+ST group 2 (p = 0,034). Strength improvement was similar between groups. The CPT+ST group 2 seemed to have a greater volume in the upper limb when compared to CPT group 1, but it was not possible to prove any significant difference (p = 0.555). Conclusion: There was no difference of muscular limb volume between the two interventions. This means that strengthening exercises can be performed by patients with lymphedema safely, without the risk of increasing upper limb volume with edema.

Cardiac autonomic modulation impairments in advanced breast cancer patients.

AIM: To compare cardiac autonomic modulation in early- versus advanced-stage breast cancer patients before any type of cancer treatment and investigate associated factors. METHODS AND RESULTS: This cross-sectional study included women (30-69 years old) with primary diagnosis of breast cancer and women with benign breast tumors. We evaluated cardiac modulation by heart rate variability and assessed factors of anxiety, depression, physical activity, and other relevant medical variables. Patients were divided into three groups based on TNM staging of cancer severity: early-stage cancer (n = 42), advanced-stage cancer (n = 37), or benign breast tumors to serve as a control (n = 37). We analyzed heart rate variability in time and frequency domains. The advanced-stage cancer group had lower vagal modulation than early-stage and benign groups; also, the advance-stage group had lower overall heart rate variability when compared to benign conditions. Heart rate variability was influenced by age, menopausal status, and BMI. CONCLUSIONS: Heart rate variability seems to be a promising, non-invasive tool for early diagnosis of autonomic dysfunction in breast cancer and detection of cardiovascular impairments at cancer diagnosis. Cardiac autonomic modulation is inversely associated with breast cancer staging.

Evaluation of the Efficacy of Clinical Breast Examination Gloves in the Diagnosis of Breast Lumps.

INTRODUCTION: Recent studies have questioned the efficacy of mammography in reducing breast cancer-related mortality. Additionally, the efficacies of commercially available gloves marketed as aiding the detection of breast lumps have not been independently verified. AIM: To evaluate the efficacy of clinical breast examination gloves in the detection of breast lumps. MATERIALS AND METHODS: During the period from October 2011 to June 2012, patients were submitted to clinical examination with and without gloves. This prospective study involved 202 patients who underwent conventional clinical breast examination (test 1) or clinical breast examination with Sensifemme® gloves (test 2). All patients underwent subsequent bilateral ultrasonography (test 3) to confirm the findings of the physical examinations. The Chi-square test was used to compare values, while the kappa concordance index was used to determine the concordance between the diagnostic tests. RESULTS: The mean age of the patients was 43 years; 298 breast lumps were detected. In the clinical examination group (test 1), sensitivity was 54%, specificity was 78%, and accuracy was 57%. These rates for clinical breast examinations with gloves (test 2) were 68%, 58%, and 66%, respectively. The glove increased the diagnosis of breast nodules by 14%; the rate of false-positives was also higher (42% for test 2 compared to 22% for test 1). The accuracy of the glove was found to be superior to clinical examination after 100 patients had been examined. The kappa indices for test 1 vs. test 3 and for test 2 vs. test 3 were 0.15 and 0.16, respectively. CONCLUSION: Clinical examination using the glove was more effective than clinical examination with bare hands for the diagnosis of breast lumps, as it increased the sensitivity and accuracy of lump detection. However, this was at the expense of a higher false-positive rate, which can lead to further tests, unnecessary biopsies, and patient anxiety. The concordance of clinical examination results (whether performed with or without the glove) with those of ultrasonography is weak. Moreover, the glove has a steep learning curve that may discourage its use in certain circumstances.

Cathepsin K induces platelet dysfunction and affects cell signaling in breast cancer - molecularly distinct behavior of cathepsin K in breast cancer.

BACKGROUND: Breast cancer comprises clinically and molecularly distinct tumor subgroups that differ in cell histology and biology and show divergent clinical phenotypes that impede phase III trials, such as those utilizing cathepsin K inhibitors. Here we correlate the epithelial-mesenchymal-like transition breast cancer cells and cathepsin K secretion with activation and aggregation of platelets. Cathepsin K is up-regulated in cancer cells that proteolyze extracellular matrix and contributes to invasiveness. Although proteolytically activated receptors (PARs) are activated by proteases, the direct interaction of cysteine cathepsins with PARs is poorly understood. In human platelets, PAR-1 and -4 are highly expressed, but PAR-3 shows low expression and unclear functions. METHODS: Platelet aggregation was monitored by measuring changes in turbidity. Platelets were immunoblotted with anti-phospho and total p38, Src-Tyr-416, FAK-Tyr-397, and TGFß monoclonal antibody. Activation was measured in a flow cytometer and calcium mobilization in a confocal microscope. Mammary epithelial cells were prepared from the primary breast cancer samples of 15 women with Luminal-B subtype to produce primary cells. RESULTS: We demonstrate that platelets are aggregated by cathepsin K in a dose-dependent manner, but not by other cysteine cathepsins. PARs-3 and -4 were confirmed as the cathepsin K target by immunodetection and specific antagonists using a fibroblast cell line derived from PARs deficient mice. Moreover, through co-culture experiments, we show that platelets activated by cathepsin K mediated the up-regulation of SHH, PTHrP, OPN, and TGFß in epithelial-mesenchymal-like cells from patients with Luminal B breast cancer. CONCLUSIONS: Cathepsin K induces platelet dysfunction and affects signaling in breast cancer cells.

Winged scapula incidence and upper limb morbidity after surgery for breast cancer with axillary dissection.

PURPOSE: The aim of this study was to determine the incidence of winged scapula after breast cancer surgery, its impact on shoulder morbidity and difference in incidence according to surgery type. METHODS: Patients with breast cancer and surgical indication for axillary dissection were included. A total of 112 patients were surveyed with one physical evaluation before the surgery and others 15, 30, 90, and 180 days after. Winged scapula was assessed with test proposed by Hoppenfeld. Shoulder range of motion (ROM) was assessed with goniometer for flexion, extension, adduction, abduction, internal rotation, and external rotation. A verbal scale from 0 to 10 was used to assess pain. RESULTS: Winged scapula incidence was 8.0 % 15 days after surgery. Two patients recovered from winged scapula 90 days after surgery and four more 180 days after surgery, while three patients still had winged scapula at this time. The incidence after 15 days from surgery was 20.9 and 22.6 % among patients submitted to sentinel node biopsy or axillary lymphadenectomy (AL), respectively (p < 0.01). There was no statistical difference of incidence according to breast surgery type. Operated side shoulder flexion, adduction, and abduction ROM changes were statistically different in patients with or without winged scapula. The mean reduction was higher in patients with winged scapula. Both groups showed the same pattern over time in pain. CONCLUSION: Winged scapula incidence was 8.0 % and was higher in AL, and prevalence decreased during 6 months after surgery. Patients who developed winged scapula had more shoulder flexion, adduction, and abduction limitation.

Effectiveness of acupuncture in rehabilitation of physical and functional disorders of women undergoing breast cancer surgery.

PURPOSE: The purpose of the study is to verify the effectiveness of acupuncture in rehabilitation of physical and functional disorders of women undergoing breast cancer surgery on the following parameters: pain, range of motion, upper limb function, and depressive symptoms. METHODS: The following are the inclusion criteria: women aged more than 18 years with scapular girdle and upper limb pain after 3 months of surgery and with pain ≥3 in visual analog scale. Patients were divided into two randomized groups which received weekly treatment during 10 sessions. Kinesiotherapy group (G1)-treated with a predefined kinesiotherapy protocol of 30 min. Group Acupuncture + Kinesiotherapy (G2)-treated with the same kinesiotherapy group protocol followed by another 30 min of acupuncture, used in predefined points. Both groups performed physical examination and answered the upper limb function and depressive symptoms questionnaires. RESULTS: Forty-eight patients completed the treatment, 24 in each group. Regarding the pain, the two groups had statistically significant improvement in all evaluated moments. In the analysis of depression, it improved significantly only in G1 in the comparison between the first and the tenth session. The upper limb function had improvement in G1 only in the comparison between the first and the tenth session and in G2, in the three evaluation moments. The range of motion (ROM) showed improvement in all evaluated movements. CONCLUSIONS: There was no difference between groups. Both groups showed statistically significant improvement of the items assessed: pain, depression, upper limb function, and ADM, and there was no difference between them.

Breast cancer: news in diagnosis and treatment / Câncer de mama: novidades no diagnóstico e no tratamento

SUMMARY The authors discuss the main innovations in the diagnosis and treatment of breast cancer, particularly in diagnostic imaging and screening, and in locoregional and systemic therapies.

RESUMO Os autores discutem as principais novidades no diagnóstico e no tratamento do câncer de mama, particularmente no diagnóstico por imagem, no rastreamento e nas terapêuticas locorregional e sistêmica.