Miguel Beltran

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Because sarcomas of the anterior lower neck region occur so infrequently, they are not usually considered in the differential diagnosis of Riedel's thyroiditis. Riedel's thyroiditis itself may be confused on clinical grounds alone with malignant neoplasms because of its invasive features. Sarcomatoid carcinoma is the main entity to be discarded in this(More)
INTRODUCTION : In recurrent ovarian cancer, CA-125 could be the only objective response criteria. This study analyzes response patterns regarding CA-125 in responders versus nonresponders and determines whether a specific cutoff value for CA-125 could predict clinical response, compared with response evaluation criteria in solid tumors, in patients(More)
OBJECTIVE To determine the accuracy of fine needle aspiration (FNA) and intraoperative frozen section examination (IFSE) on thyroid nodules. STUDY DESIGN The study group consisted of 470 patients who underwent thyroidectomy. FNA was performed on 289 patients and IFSE on 326. The FNA and IFSE results were compared with the final histologic diagnosis(More)
Pulmonary arterial hypertension (PAH) includes a group of chronic lung vascular diseases frequently complicated by right ventricle (RV) dysfunction and failure (1, 2). Under physiological conditions, the RV interacts with a low-pressure, low-resistance pulmonary circulation (3). However, under pathological conditions such as PAH, the RV is—at least(More)
Pre-eclampsia is a serious obstetric complication associated with a high rate of maternal and fetal morbidity and mortality. We report the case of a woman with a medical history of insulin-dependent diabetes mellitus and seizures possibly related to hypoglycemia who was admitted for an emergency cesarian due to severe pre-eclampsia and macrosomic fetus. In(More)
OBJECTIVES To calculate the Scapular Balance Angle (SBA) reference values in a healthy population between 18 and 85 years old, and to define abnormality criteria for this sample. MATERIALS AND METHODS A descriptive study was conducted on a total of 300 individuals (mean age: 44.83, range: 18-83; proportion male/female: 1.59), calculating the SBA through(More)