[Malignant tumors of the small intestine (excluding the duodenum)].
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Adolescent↗
Biomedical subjects
P Bonnet
Publications and source records attributed to P Bonnet.
Solitary Fibrous Tumor Pleura.
The Solitary Fibrous Tumour of Pleura has rarely been observed. A new case has been reported. This tumour is often asymptomatic and mostly discovered by chance. A well delimited and round opacity is demonstrated on the chest X-ray. computerized tomography confirms the fleshy nature of this tumour with inhomogeneous enhancement. The treatment is a complete surgical excision. The prognosis is excellent, if diagnosed early.
Adult↗
Laparoscopic adrenalectomy in pheochromocytoma and Cushing's syndrome. Reflections about two case reports.
Laparoscopic adrenalectomy is possible as well on the left as on the right side using a percutaneous transabdominal approach. The exposure of the glands seems better than it could be achieved with an open method. In combination with intraoperative infusion of nicardipine, a calcium-channel blocker, the laparoscopic removal of a pheochromocytoma was performed safely and under stable conditions. In case of Cushing's syndrome, the laparoscopic approach reduces the problems related to poor healing. In all cases of laparoscopic adrenalectomy, this approach could offer the clear advantages of smaller incisions, reduced postoperative pain and incisional discomfort as well as complications related to large and invasive procedure and finally allows quicker recovery. Moreover, conversion to open surgery remains always possible, if needed.
Adrenal Gland Neoplasms↗
Technique for ventricular wrapping in experimental dynamic cardiomyoplasty.
Cardiomyoplasty is a wrapping of an electrostimulated latissimus dorsi muscle flap around the heart for substitution and/or reinforcement. The surgical technique for reproducible cardiomyoplasties in the goat model is presented. The methods combine the direction of wrapping (clockwise, counter-clockwise) and the orientation of muscle fibers. A cardiomyoplasty model using right and left latissimus dorsi or left latissimus dorsi and pectoralis major as well as a split muscle technique are illustrated.
Animals↗
Combined liver-spleen-small intestine grafting in a rat model: role of transplanting additional lymphoid tissue on survival.
The aim of this study was to develop suitable models of combined intestinal grafting to examine the enhancing effect of intestinal grafting with additional lymphoid tissue using 30% of the liver mass and the whole spleen on recipient survival in the absence of immunosuppression. Grafts from DA (RT1a) rats were transplanted orthotopically to PVG (RT1(1)) recipients according to the following design: group 1 (n = 6), en bloc 30% liver/entire SB/spleen; group 2 (n = 7), en bloc 30% liver/SB; group 3 (n = 7), SB/spleen and group 4 (n = 7), SB control for the preceding groups. The orthotopic nature and proximal interposition of the SB graft allowed the assessment of protection afforded by components of the cluster on the SB graft using survival endpoints. Although group 4 hosts survived half as long compared to other groups, statistical significance was reached only in the case of group 1; group 1 MST equalled 15.3 days, significantly higher than group 4 (p = 0.01). Acute rejection was present in every grafted tissue and was equivalent whether liver was included or excluded in the cluster. GVHD was absent postoperatively using clinical or histological criteria; recipient spleens showed hyperplasia, donor spleens depicted lymphocytic depletion on histology. This study determined that statistically proven enhanced survival was obtained only after grafting 30% liver plus spleen with the entire SB. GVHD was rare in the fully allogeneic system despite transplanting a massive load of lymphoid tissue. The surgical models used in this study employing liver in the cluster, address the important question of how best to evaluate the role of heterotopic accessory liver grafting in providing tolerance to co-transplanted small intestine.
Animals↗