Rafael A.D. Prinz

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We prospectively assessed the safety and efficacy of laparoscopic jejunostomy done by 11 surgeons in 8 medical centers using the T-fastener technique. In all, 23 men and 13 women aged 19 to 84 (mean, 59) years required enteral feeding, but could not undergo gastrostomy and had no contraindication to laparoscopy. Of these patients, 12 had head and neck(More)
Only 15% of primary malignant tumors are confined to the gland at the time of presentation. Fine-needle aspiration (FNA) is valuable in confirming the malignant nature of these unresectable lesions. Benign pancreatic lesions and metastatic neoplasms can also be evaluated by fine-needle aspiration. We undertook a retrospective study to evaluate the efficacy(More)
Clinical evidence suggests the possible influence of estrogen on the biologic behavior of thyroid neoplasm. In this study we evaluated the distribution and characteristics of intracellular receptors for estrogen in normal and neoplastic thyroid tissue obtained from 54 patients. Forty-two percent of all specimens assayed by the protamine sulfate(More)
Anatomical knowledge of the exact topography of the renal hilar structures is of great importance when performing urological surgical procedures. Classically, the topographic distribution of hilar structures has been described in the antero-posterior direction as the renal vein-artery-pelvis complex. However, morphological studies have reported different(More)
To evaluate the efficacy of subtotal parathyroidectomy (STP) in the treatment of primary hyperparathyroidism due to multiple gland disease, 12 patients with multiple endocrine neoplasia (MEN) type I syndrome were reviewed out of 132 patients undergoing parathyroidectomy. Each patient had yearly follow-up examinations and calcium determinations for a minimum(More)
O presente trabalho objetiva descrever o processo de doação, captação, fila de espera e transplante de órgãos e tecidos como uma das políticas de saúde no Brasil e no Estado do Rio de Janeiro, com ênfase nos procedimentos relativos aos transplantes de córnea. A baixa notificação de possíveis doadores e a alta taxa de negativa familiar na doação associado ao(More)
There are a number of different approaches available to surgically remove the adrenal gland. These can be broadly classified into two general categories, open and laparoscopic. There is no one best method for all patients. Surgeons, skilled in all aspects of adrenal surgery, should choose an approach for adrenalectomy based on patient and tumor related(More)