[Effect of hyperbaric oxygenation on neoplastic cell cultures].
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Biomedical subjects
Publications and source records attributed to L Piazza.
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BACKGROUND: Laparoscopic robot-assisted surgery has been created to reduce the patient risk of inappropriate scope movements by an assistant and to perform operations quicker and with greater ease. The Authors report their experience in laparoscopic robot-assisted right adrenalectomy for Conn's syndrome and right ovariectomy for benign ovarian mass. MATERIAL AND METHODS: Case 1. CT scan: solid right adrenal mass (diam. 2 cm). An anterior transperitoneal approach was used to perform the right adrenalectomy. The surgeon was placed at the ventral side of the patient and robotic-device was placed at the backside. HISTOLOGY: adrenocortical adenoma (diam. 3 x 2.5 x 1.5 cm). Case 2. CT scan: left iliac mass (diam. 3.5 cm) with origin in the left ovary. The patient was positioned in the gynecological position. The surgeon was positioned on right side of the patient and robot-device on left side. Left ovariectomy was performed. HISTOLOGY: ovarian serous cyst. RESULTS: Operating time was 180 min. for the adrenalectomy and 25 min. for the ovariectomy. No blood loss or complications for both operations were encountered. Image was steady and lens cleaning was unnecessary. CONCLUSIONS: The robot device (AESOP 2000) facilitated the procedures by enhancing stability of the image and reducing the need for lens cleaning. We believe that this method is feasible and could be advantageous especially for cholecystectomy, Nissen funduplication or ovariectomy but at the moment there are no comparative studies to establish the real value of this device.
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In this article, we describe a successfully performed total esophagogastrectomy for esophageal carcinoma in young man. The esophagus was mobilized via the right thoracotomy. Intestinal continuity, installed isoperistaltically was restituted in the same operation using an ileo-colic segment transferred to the left lateral cervical aspect by way of the posterior mediastinum. The procedure was used in one patient and mortality and complications were nil.
Gastrointestinal stromal tumors (GIST) comprise a rare group of neoplasms of unpredictable malignant. The stomach is the most common site of occurrence in the gastrointestinal tract. A combination of prognostic factors (patient age, histologic grade, mitotic rate, tumor size, and DNA analysis) have been utilized to predict their biologic behavior. Lymphatic spread of gastrointestinal stromal tumors is uncommon therefore a formal lymph node dissection is not standard surgical management. Consequently, complete surgical resection of the primary tumor is the most definitive treatment. Although numerous operative approaches have been utilized for gastric submucosal tumors, laparoscopic wedge resection has been regarded as the treatment of choice in recent years. As widespread use of diagnostic endoscopy has exposed a number of gastric submucosal tumors, the laparoscopic wedge resections are being performed with increased frequency. In this article, we describe a successfully performed laparoscopic sleeve gastrectomy for a bleeding GIST.
Although hemangiopericytoma (HPT) may arise in any anatomic site, it rarely develops in the greater omentum. To our knowledge, only twelve cases have been reported to date in the English language literature. In this report, we describe the case of a patient with sudden severe lower abdominal pain caused by primary HPT in the greater omentum treated with laparoscopic approach and a review of the reported cases is made.
In this experimental contribution to the study of neurobiological interactions between adrenal medullary graft and CNS, is presented a model to estimate the approaches to rat adrenalectomy using statistical inference techniques. Eighteen rats were divided into three samples. The members of every sample were left adrenalectomized using lombotomic, anterior transperitoneal and posterior approaches respectively. A score was attributed to every experimentally meaningful parameter, according a previously well established plan. Scores were tested by analysis of variance and by previously planned orthogonal comparisons. Mean, standard deviation of every sample score and confidence interval for mean difference were computed. Statistical analysis results show that, objectively, there is a meaningful difference between anterior approach and posterior or lateral approach, anterior approach being more difficult then posterior or lateral approach, while there is not meaningful difference between posterior and lateral approach. Subjectively, on the contrary, there are not meaningful differences between three approaches to left adrenalectomy statistically.
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