Pedro Vitor Lopes-Costa

Learn More
OBJECTIVE To evaluate the surgical feasibility and the long-term anatomical and functional results of the technique of vaginal reconstruction using peritoneum from the pouch of Douglas in patients with uterovaginal agenesis, known as Rokitansky's syndrome. DESIGN Retrospective single-institution case series. SETTING A tertiary referral center for the(More)
BACKGROUND The objective of this study was to evaluate serum IGF-I levels in postmenopausal women with breast cancer treated primarily with raloxifene. METHODS Twenty-two postmenopausal patients with operable, stage I or II, estrogen receptor-positive carcinomas participated in this study. Following confirmation of diagnosis, the patients received 60 mg(More)
BACKGROUND Preservation of E-cadherin expression is usually related to non-invasive and well differentiated breast carcinomas. PURPOSE The aim of this study was to evaluate E-cadherin immunohistochemical expression in estrogen receptor (ER) positive and negative infiltrating ductal breast carcinomas. METHODS Twenty-three postmenopausal patients with(More)
PURPOSE The aim of this study was to evaluate Bcl-2 oncogene expression in estrogen receptor (ER)-positive and negative breast carcinomas. METHODS A study involving 72 cases of infiltrating ductal carcinoma of the breast in postmenopausal women divided into two groups: Group A (ER positive, n=37) and Group B (ER negative, n=35). Immunohistochemical(More)
Malignant transformation of ovarian dermoid cysts is rare and spontaneous rupture provoking chemical peritonitis is even rarer. Laparotomy in a 75-year-old Brazilian woman with abdominal pain and signs of peritoneal irritation revealed a voluminous right ovarian cyst with rupture of the capsule, an abundant quantity of fatty material in the abdominal(More)
PURPOSE To evaluate the microvessel density by comparing the performance of anti-factor VIII-related antigen, anti-CD31 and anti-CD34 monoclonal antibodies in breast cancer. METHODS Twenty-three postmenopausal women diagnosed with Stage II breast cancer submitted to definitive surgical treatment were evaluated. The monoclonal antibodies used were(More)
OBJECTIVE To report a very rare case of a primary twin omental pregnancy. DESIGN Case report. SETTING The emergency department of a university teaching hospital. PATIENT(S) A 36-year-old woman. INTERVENTION(S) Partial omentectomy by laparotomy. MAIN OUTCOME MEASURE(S) Laparotomy successfully performed in the case of a twin omental pregnancy. (More)
OBJECTIVE The aim of this study was to compare bone scintigraphy (BS) and positron emission tomography/computed tomography (PET/CT) for the detection of bone metastases from breast cancer. STUDY DESIGN Twenty patients with breast cancer and bone pain were submitted to both bone scintigraphy and 18-F-fluorodeoxyglucose PET/CT imaging between July 2012 and(More)
OBJECTIVES The aim of this study was to evaluate the effects of tamoxifen on the weight and thickness of the urethral epithelium of castrated female rats. METHODS Forty castrated adult female Wistar-Hannover rats were randomly divided into two groups: Group I (n=20) in which the animals received only the vehicle (propylene glycol) and Group II (n=20) in(More)