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We report 4 cases of neuroendocrine tumors of the duodenum. Signs and symptoms were non-specific. The choice of surgery depended on the site and stage of the tumor and any concomitant diseases.

The authors describe their surgical technique for pilonidal sinus outpatient total excision with local anaesthesia and primary repair of surgical wound. The results for recurrences and off work short time are good. Fewer complications and recurrences are observed in comparison to patients treated with general anaesthesia. For decreasing recurrence rate, the Authors stress the importance of body weight control and correct local hygiene. Local anaesthesia is safe e cost-effectiveness for outpatient treatment of the pilonidal sinus.

The Authors report the results of the tumescent anesthesia in 187 patients submitted to various outpatient surgical procedures comparing with those in patients submitted to local anesthesia by direct infiltration.

The Authors present a rare association of gastric adenocarcinoma and somatostatin-producing duodenal carcinoid. The pre-operative abdominal CT scan revealed the gastric lesions and a duodenal polypoid lesion, giving an important indication to perform a subtotal gastrectomy and a duodenal resection. The definitive diagnosis was possible with histological examination.

Authors review their outpatient lymph node biopsies in order to verify safety and diagnostic accuracy. They didn't observe any complication and in every case, the procedure provided the correct diagnosis. Lymph node biopsy is the procedure of choice to study the pharmacologic therapy non responsive lymph node pathology that is not surely defined by fine needle aspiration, as almost always in lymphomas.

The simultaneous presence of more than one primary malignant tumour in the same patient is a relatively rare event, with values going from 2.7% to 6.8%. In this paper two synchronous colorectal-renal cases surgically treated are described; in the first case with only one resolutive operation for the two tumours, in the second with two consecutive operations. In both cases, the patients had no familiarity for colorectal or renal malignant tumours. Both cases have paradigmatic peculiarities: in the first the discovery of the renal neoplasm has been possible in election during the normal execution of the diagnostic protocol for sigmoido-rectal neoplasm. The second case shows the other possible modality of the outset of the two tumours: the occlusive urgency which never allows to discover immediately the renal tumour (unless a laparotomic exploration makes it perceptible).

Aim of this study is the comparison between spermatic vein ligature (Ivanissevich technique) and low intrafunicular ligature in the surgical treatment of varicocele. The Authors present two groups of patients (total 61) operated between 1995 and 1999 with the above-mentioned surgical techniques. Apart from the utilized method, they didn't ascertain any improvements in the spermiograms of the patients older than 30 years. The low ligature of the spermatic veins demonstrated the advantages of surgery treatment and lower percentage of relapses.

Three cases of monomorphic adenomas (two oncocytic adenomas and one basal cell adenoma) of the parotid gland are reported. The diagnosis is based on echography with fine needle biopsy and cervical computerized tomography. Because of the high percentages of multicentricity, the therapy of choice is superficial parotidectomy when the lesion is in the pre-neural lobe of the gland, or total parotidectomy in case of a deep mass.

The non-recurrent inferior laryngeal nerve is a rare anomaly (0.34% on th right side, extremely rare on the left side) that increases the risk of damage to the nerve during thyroid and parathyroid surgery. Seven cases of non-recurrent laryngeal nerve are reported, emphasizing the diagnostic accuracy of angio-MR for the anatomical identification of the vascular anomaly that invariably occurs with the nerve malformation.

Riedel's thyroiditis is a very rare disease of unknown aetiology, occasionally associated with retroperitoneal and mediastinal fibrosis. It is a benign condition, but may be confused with an anaplastic carcinoma of the thyroid. The differential diagnosis with anaplastic carcinoma is assured only by intraoperative biopsy. The Authors report a clinical case: symptoms were a progressive enlargement of the thyroid gland, left recurrential palsy, dyspnoea and dysphagia. The surgical treatment was total thyroidectomy, performed with bilateral neurolysis of recurrent nerves. The patient was also under adjuvant corticosteroid treatment.

Submandibular gland excision is proposed in the treatment of neoplastic and non neoplastic diseases; this surgical procedure can be performed by transoral or transcervical approach. The aim of the study is to demonstrate that cervical approach must be preferred because it is safer and allows a wider exposition of the surgical field. From 1970 to June 1995, 54 patients (47 with chronic sialadenitis, 7 with benign tumors and 7 with malignant tumors) were submitted to excision of the submaxillary gland. Of the 54 resections performed, 2 were completed with "functional" cervical lymphadenectomy and 1 with Radical Neck Dissection in pts. with malignant neoplasms. There were no postoperative deaths; complications occurred in 1 patient (1/54 = 1.8%) as a iatrogenic permanent lesion of the maxillary branch of the facial nerve (in detail 0/47 patients with benign disease and 1/7 (14.7%) patients with malignant disease). The cervical approach for the resection of the submaxillary gland is preferred to the transoral approach for the lower risk of iatrogenic lesions of the lingual and hypoglossal nerves and the possibility of curative resections in case of malignant neoplasms. A regulated and experimented technique through the cervical approach also lowers the risk of a lesion of the maxillary branch of the facial nerve.

Cervical paragangliomas are uncommon benign or malignant neoplasms, originated from the stem cells of the neural crest. Up to date it is still not easy to define properly their biological behaviour, the possible multicentric location and the association with Multiple Endocrine Neoplasias. After a wide review of recent diagnostic, pathological and clinical notions, the Authors report their experience, from 1970 to 1995, of 10 patients affected by sporadic paraganglioma and 1 by familial multicentric neoplasm localized on carotid bodies of both sides, left vagus nerve and left hypoglossus nerve. All patients but one were treated by a curative resection of the neoplasm; in one case only an explorative laparotomy was possible because of the visceral and vascular involvement.

The Authors report their experience in the treatment of Graves disease. After a short review of the literature, the Authors stress the medical trait of such disease with possible spontaneous resolution. Therefore the number of cases surgically treated is necessarily low. Thirty patients, all with specific antibodies, were treated with total thyroidectomy. The therapy chosen and the results obtained are herein shown. No definitive hypoparathyroidism and inferior laryngeal nerve injuries were registered.

The study analyzes the benefits related to the gastroduodenojejunoplasty (GDJP) according to Soupault & Bucaille, adopted as the corrective treatment of the Billroth II gastric resection syndrome in those cases resistant to the dieting-pharmacological supports. Our experience is based on 18 cases (13 males, 5 females, mean age 39 yrs), treated from 1982 to 1987 with GDJP for a gastric resection syndrome. The patients were observed 5 years after their resection: 10 presented with an atrophic gastritis/gastric atrophy and all had a diffuse acute phlogosis in presence of biliary storage. Manual anastomoses were performed in the first 8 cases, while staplers were used in the remaining cases. Results were quite satisfying; no operative mortality or specific complications, nor pain and biliary vomiting were registered; 14 patients over 18 (77%) gained weight significantly; only 1 patient reported low-intense early "dumping-like" symptoms easily controlled by medical therapy. Endoscopy showed no biliary reflux in all cases. Biopsies of the stump, carried on before and after the GDJP intervention, showed a marked reduction of the inflammatory aspects in 76% (13) of the patients. Among the 10 patients with atrophic gastritis/gastric atrophy, only 2 (20%) presented a significant increase in the number of gastric parietal cells and gastric principal cells.

From 1986 to June 1990, 10 pancreaticoduodenectomies were performed in our Department (VIII Patologia Chirurgica, Università "La Sapienza", Roma). The reconstructive sequence was based on the pancreaticojejunal anastomosis (2 end-to-end pancreaticojejunostomies after invagination, 3 end-to-side Wirsung jejunostomies) in 5 patients. The pancreatic stump was sutured using a 50mm linear stapler in the remaining 5 patients. There was a high incidence (75%) of fistulization after direct suture of the pancreatic stump, although related mortality was null. Among patients treated with pancreaticojejunal anastomosis, a fistula on the end-to-end pancreaticojejunostomy with exitus of the patient, was registered in 1 case. On principle, we believe a end-to-side Wirsung jejunostomy should be performed after pancreaticoduodenectomy. When a safe anastomosis of the pancreatic stump cannot be performed (because of the soft parenchyma, easily lacerable) the technique of the direct suture with stapler is advisable.

The Authors discuss the technical criteria of digestive reconstruction after total gastrectomy for gastric cancer. Usually they employ stapling devices which are easy and quick to use and give good technical results. Performing a Roux-en-Y with an end-to-side esophagojejunostomy a circular device is preferred and a linear cutter for a side-to-side jejunojejunal anastomosis is used. Alternatively the jejunojejunal anastomosis may be performed with a circular and a linear stapler. Between 1970 and 1989, out of 160 total gastrectomies for cancer, 2 dehiscences were recorded in 103 mechanical anastomosis and none out of 57 manual anastomosis (p: n.s.); stenosis was observed in 2 cases after mechanical esophagojejunostomy and in none after manual anastomosis.