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Revista Brasileira de Ginecologia e Obstetrícia. 2024;46:e-rbgo55
, , , , , , , Our study evaluated the effectiveness of the Botucatu Abbreviated Protocol in breast magnetic resonance imaging (MRI) within Brazil’s public healthcare system, focusing on its impact on patient access to MRI exams.
This retrospective study involved 197 breast MRI exams of female patients over 18 years with histological breast carcinoma diagnosis, conducted at Hospital das Clínicas de Botucatu - UNESP between 2014 and 2018. Two experienced examiners prospectively and blindly analyzed the exams using an Integrated Picture Archiving and Communication System (PACS). They first evaluated the Botucatu Abbreviated Protocol, created from sequences of the complete protocol (PC), and after an average interval of 30 days, they reassessed the same 197 exams with the complete protocol. Dynamic and morphological characteristics of lesions were assessed according to BI-RADS 5th edition criteria. The study also analyzed the average number of monthly exams before and after the implementation of Botucatu Abbreviated Protocol.
The Botucatu Abbreviated Protocol showed high sensitivity (99% and 96%) and specificity (90.9% and 96%). There was a significant increase in the average monthly MRI exams from 6.62 to 23.8 post-implementation.
The Botucatu Abbreviated Protocol proved effective in maintaining diagnostic accuracy and improving accessibility to breast MRI exams, particularly in the public healthcare setting.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2024;46:e-rbgo55
, , , , , , , Our study evaluated the effectiveness of the Botucatu Abbreviated Protocol in breast magnetic resonance imaging (MRI) within Brazil’s public healthcare system, focusing on its impact on patient access to MRI exams.
This retrospective study involved 197 breast MRI exams of female patients over 18 years with histological breast carcinoma diagnosis, conducted at Hospital das Clínicas de Botucatu - UNESP between 2014 and 2018. Two experienced examiners prospectively and blindly analyzed the exams using an Integrated Picture Archiving and Communication System (PACS). They first evaluated the Botucatu Abbreviated Protocol, created from sequences of the complete protocol (PC), and after an average interval of 30 days, they reassessed the same 197 exams with the complete protocol. Dynamic and morphological characteristics of lesions were assessed according to BI-RADS 5th edition criteria. The study also analyzed the average number of monthly exams before and after the implementation of Botucatu Abbreviated Protocol.
The Botucatu Abbreviated Protocol showed high sensitivity (99% and 96%) and specificity (90.9% and 96%). There was a significant increase in the average monthly MRI exams from 6.62 to 23.8 post-implementation.
The Botucatu Abbreviated Protocol proved effective in maintaining diagnostic accuracy and improving accessibility to breast MRI exams, particularly in the public healthcare setting.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2014;36(3):118-123
DOI 10.1590/S0100-72032014000300005
To assess the feasibility and diagnostic accuracy of preoperative ultrasound combined with ultrasound-guided fine-needle aspiration (US-FNA) cytology and clinical examination of axillary lymph node in patients with breast cancer.
In this prospective study, 171 axillae of patients with breast cancer were evaluated by clinical examination and ultrasonography (US) with and without fine needle aspiration (FNA). Lymph nodes with maximum ultrasonographic cortical thickness > 2.3 mm were considered suspicious and submitted to US-FNA.
Logistic regression analysis showed no statistically significant correlation between clinical examination and pathologically positive axillae. However, in axillae considered suspicious by ultrasonography, the risk of positive anatomopathological findings increased 12.6-fold. Cohen's Kappa value was 0.12 for clinical examination, 0.48 for US, and 0.80 for US-FNA. Accuracy was 61.4% for clinical examination, 73.1% for US and 90.1% for US-FA. Receiver Operating Characteristics (ROC) analysis demonstrated that a cortical thickness of 2.75 mm corresponded to the highest sensitivity and specificity in predicting axillary metastasis (82.7 and 82.2%, respectively).
Ultrasonography combined with fine-needle aspiration is more accurate than clinical examination in assessing preoperative axillary status in women with breast cancer. Those who are US-FNA positive can be directed towards axillary lymph node dissection straight away, and only those who are US-FNA negative should be considered for sentinel lymph node biopsy.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2014;36(3):118-123
DOI 10.1590/S0100-72032014000300005
To assess the feasibility and diagnostic accuracy of preoperative ultrasound combined with ultrasound-guided fine-needle aspiration (US-FNA) cytology and clinical examination of axillary lymph node in patients with breast cancer.
In this prospective study, 171 axillae of patients with breast cancer were evaluated by clinical examination and ultrasonography (US) with and without fine needle aspiration (FNA). Lymph nodes with maximum ultrasonographic cortical thickness > 2.3 mm were considered suspicious and submitted to US-FNA.
Logistic regression analysis showed no statistically significant correlation between clinical examination and pathologically positive axillae. However, in axillae considered suspicious by ultrasonography, the risk of positive anatomopathological findings increased 12.6-fold. Cohen's Kappa value was 0.12 for clinical examination, 0.48 for US, and 0.80 for US-FNA. Accuracy was 61.4% for clinical examination, 73.1% for US and 90.1% for US-FA. Receiver Operating Characteristics (ROC) analysis demonstrated that a cortical thickness of 2.75 mm corresponded to the highest sensitivity and specificity in predicting axillary metastasis (82.7 and 82.2%, respectively).
Ultrasonography combined with fine-needle aspiration is more accurate than clinical examination in assessing preoperative axillary status in women with breast cancer. Those who are US-FNA positive can be directed towards axillary lymph node dissection straight away, and only those who are US-FNA negative should be considered for sentinel lymph node biopsy.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(1):18-26
DOI 10.1590/S0100-72032007000100004
PURPOSE: to evaluate the loco-regional response to primary chemotherapy in patients with breast cancer at stages II and III. METHODS: a retrospective and analytical clinical study carried out in 97 patients with an average age of 52.2 years old, with breast cancer at stages II and III, attended from January 1993 to December 2004, and submitted to 3 to 4 cycles of primary chemotherapy with 5-fluorouracil - 500 mg/m2, epirubicin - 50 mg/m2 and cyclophosphamide - 500 mg/m2 or doxorubicin - 50 mg/m2 e cyclophosphamide - 500 mg/m2, and then to loco-regional surgical conservative or radical surgical treatment. Chi-square and Fisher’s exact tests were used to study the association among the variables (age, menopausal state, pre-chemotherapy tumoral volume, axillary condition, stage, therapeutic scheme and number of cycles), while Pearson’s correlation coefficient was used for the quantitative variables (tumoral volume according to the anatomo-pathological study and the post-chemotherapy clinical tumoral volume. The significance level was 5%. RESULTS: there were 56.8% of cases at stage II and 43.2% at stage III. Approximately 50% of the patients received FEC50 and 50% AC. Objective clinical response with primary chemotherapy was obtained in 64.9% of the cases. Full clinical response occurred in 12.3% of patients, while full pathological response occurred in 10.3% of the cases. CONCLUSIONS: there was a statistically significant correlation between the number of cycles and the response to primary chemotherapy. Patients who received 4 cycles had better response than those who received 3 cycles. There was also a statistically significant concordance between the evaluation through clinical examination of the response to primary chemotherapy and the pathological findings. No statistically significant correlation was observed concerning age, menopausal status, tumoral volume, and pretreatment of axillary damage.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(1):18-26
DOI 10.1590/S0100-72032007000100004
PURPOSE: to evaluate the loco-regional response to primary chemotherapy in patients with breast cancer at stages II and III. METHODS: a retrospective and analytical clinical study carried out in 97 patients with an average age of 52.2 years old, with breast cancer at stages II and III, attended from January 1993 to December 2004, and submitted to 3 to 4 cycles of primary chemotherapy with 5-fluorouracil - 500 mg/m2, epirubicin - 50 mg/m2 and cyclophosphamide - 500 mg/m2 or doxorubicin - 50 mg/m2 e cyclophosphamide - 500 mg/m2, and then to loco-regional surgical conservative or radical surgical treatment. Chi-square and Fisher’s exact tests were used to study the association among the variables (age, menopausal state, pre-chemotherapy tumoral volume, axillary condition, stage, therapeutic scheme and number of cycles), while Pearson’s correlation coefficient was used for the quantitative variables (tumoral volume according to the anatomo-pathological study and the post-chemotherapy clinical tumoral volume. The significance level was 5%. RESULTS: there were 56.8% of cases at stage II and 43.2% at stage III. Approximately 50% of the patients received FEC50 and 50% AC. Objective clinical response with primary chemotherapy was obtained in 64.9% of the cases. Full clinical response occurred in 12.3% of patients, while full pathological response occurred in 10.3% of the cases. CONCLUSIONS: there was a statistically significant correlation between the number of cycles and the response to primary chemotherapy. Patients who received 4 cycles had better response than those who received 3 cycles. There was also a statistically significant concordance between the evaluation through clinical examination of the response to primary chemotherapy and the pathological findings. No statistically significant correlation was observed concerning age, menopausal status, tumoral volume, and pretreatment of axillary damage.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(5):263-263
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2009;31(5):263-263
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(12):625-632
DOI 10.1590/S0100-72032007001200005
PURPOSE: to analyze which characteristics proposed by the BIRADS lexicon for ultrasound have the greatest impact on distinguishing between benign and malignant lesions. METHODS: ultrasonography features from the third edition of the BIRADS were studied in 384 nodes submitted to percutaneous biopsy from February 2003 to December 2006, at the Medical School of Botucatu. For the ultrasonography, the equipment Logic 5 with a 7.5-12 MHz multifrequential linear transducer was used. The ultrasonography analysis of the node considered the features proposed by the BIRADS lexicon for ultrasound. The data were submitted to statistical analysis by the logistic regression model. RESULTS: the benign lesions represented 42.4% and the malignant, 57.6%. The logistic regression analysis found an odds ratio (OR) for cancer of 7.69 times when the surrounding tissue was altered, of 6.25 times when there were microcalcifications in the lesions interior, of 1.95 when the acoustic effect is shadowing, of 25.0 times when there was the echogenic halo, and of 7.14 times when the orientation was non-parallel. CONCLUSIONS: among the features studied, the lesion limit, represented by the presence or not of the halogenic halo, is the most important differentiator of the benign from the malignant masses.
Summary
Revista Brasileira de Ginecologia e Obstetrícia. 2007;29(12):625-632
DOI 10.1590/S0100-72032007001200005
PURPOSE: to analyze which characteristics proposed by the BIRADS lexicon for ultrasound have the greatest impact on distinguishing between benign and malignant lesions. METHODS: ultrasonography features from the third edition of the BIRADS were studied in 384 nodes submitted to percutaneous biopsy from February 2003 to December 2006, at the Medical School of Botucatu. For the ultrasonography, the equipment Logic 5 with a 7.5-12 MHz multifrequential linear transducer was used. The ultrasonography analysis of the node considered the features proposed by the BIRADS lexicon for ultrasound. The data were submitted to statistical analysis by the logistic regression model. RESULTS: the benign lesions represented 42.4% and the malignant, 57.6%. The logistic regression analysis found an odds ratio (OR) for cancer of 7.69 times when the surrounding tissue was altered, of 6.25 times when there were microcalcifications in the lesions interior, of 1.95 when the acoustic effect is shadowing, of 25.0 times when there was the echogenic halo, and of 7.14 times when the orientation was non-parallel. CONCLUSIONS: among the features studied, the lesion limit, represented by the presence or not of the halogenic halo, is the most important differentiator of the benign from the malignant masses.
