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1.
Asian J Endosc Surg ; 14(3): 636-639, 2021 Jul.
Artículo en Inglés | MEDLINE | ID: mdl-33084208

RESUMEN

INTRODUCTION: Although extraperitoneal colostomy could reduce the risk for parastomal hernia formation, it is often technically demanding to dissect the extraperitoneal route laparoscopically. Here, we demonstrate our original surgical technique for extraperitoneal tunneling using a robotic instrument. MATERIALS AND SURGICAL TECHNIQUE: After total mesorectal excision (TME) and before specimen retrieval, the edge of the outer leaf of the parietal peritoneum was elevated by the grasper in the left hand and the tip-up fenestrated grasper (Tip-Up) in the right hand. The extraperitoneal tissue was opened using the scissor forceps (right hand). Then, extraperitoneal tunneling (inner tunnel) was performed using a Tip-Up with a width of approximately 4 cm that could reach adjacent to the lateral border of the abdominal rectus muscle. A round incision was made at a preoperatively marked site on the skin. The anterior rectal sheath was cut in a cruciate fashion. The abdominal rectus muscle was split, and then the posterior rectus sheath was cut longitudinally not just below the stoma marking site but also at a slant on the lateral side. The peritoneum was dissected with care to avoid opening the peritoneum. The outer side of the tunnel was broken through to the inner tunnel using an easy blunt dissection with two fingers. Kelly forceps were introduced through the extraperitoneal tunnel along with the fingers, and the stump of the sigmoid colon was grasped and exteriorized through this tunnel. DISCUSSION: Robotic retroperitoneal tunneling using a Tip-Up is easy and useful for preventing parastomal hernia.


Asunto(s)
Colostomía/métodos , Laparoscopía/métodos , Neoplasias del Recto , Procedimientos Quirúrgicos Robotizados , Estomas Quirúrgicos , Anciano , Anciano de 80 o más Años , Colectomía , Colon Sigmoide/cirugía , Colostomía/instrumentación , Femenino , Hernia Ventral/etiología , Hernia Ventral/prevención & control , Humanos , Masculino , Persona de Mediana Edad , Peritoneo/cirugía , Proctectomía , Neoplasias del Recto/cirugía , Procedimientos Quirúrgicos Robotizados/instrumentación
2.
Gan To Kagaku Ryoho ; 47(8): 1245-1248, 2020 Aug.
Artículo en Japonés | MEDLINE | ID: mdl-32829365

RESUMEN

A 53-year-old woman was referred to our hospital because of upper abdominal pain and expansion of the pancreatic main duct. Enhanced computed tomography revealed expansion of the main pancreatic duct from the head to the tail; in addition, a 30 mm cystic tumor was observed in the pancreatic head and a 56 mm tumor was observed in the ventral side of the pancreatic body. Endoscopy revealed fistula formation in the duodenum of the Vater papilla on the oral side. The patient was diagnosed with an intraductal papillary mucinous carcinoma(IPMC). In addition, PET-CT revealed accumulation of FDG in the ventral side of the pancreatic body, and a disseminated nodule in the omental bursa was suspected. We administered 6 courses of gemcitabine plus nab-paclitaxel therapy, after which, the tumor in the ventral side of the pancreatic body disappeared. We then performed sub-stomach-preserving pancreatoduodenectomy. The results of abdominal cavity washing cytology were negative, and there were no disseminated nodules in the omental bursa. Therefore, we could perform R0 excision.


Asunto(s)
Neoplasias Pancreáticas , Cavidad Peritoneal , Adenocarcinoma Mucinoso , Albúminas , Carcinoma Ductal Pancreático , Desoxicitidina/análogos & derivados , Femenino , Humanos , Persona de Mediana Edad , Paclitaxel , Neoplasias Pancreáticas/tratamiento farmacológico , Tomografía Computarizada por Tomografía de Emisión de Positrones , Gemcitabina
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