Five-aminosalicylic Acid: an update for the reappraisal of an old drug.

Inflammatory bowel disease (IBD) comprises several conditions with chronic or recurring immune response and inflammation of the gastrointestinal apparatus, of which ulcerative colitis and Crohn's disease are the commonest forms. This disease has a significant prevalence and it is of an unknown aethiology. Five-aminosalicylic acid (5-ASA) and its derivatives are among the oldest drugs approved for the treatment of the IBD. In this review we reapprise aspects of 5-ASA mechanism of action, safety, and efficacy that in our opinion make it a valuable drug that can be fruitfully tailored in personalised treatments as a therapeutic option alongside other immune-modifying agents.

[Large-bowel obstruction as a result of occult diaphragmatic hernia 11 years after injuries]. / Occlusione intestinale del colon per ernia diaframmatica occulta 11 anni dopo trauma penetrante.

Diaphragmatic injury accompanied by herniation through the thoracic cavity is a well documented complication of penetrating or blunt abdominal trauma. It occurs in 3% of abdominal lesions, with strong prevalence for blunt trauma. In the acute setting the diagnosis may be difficult because of the lack of peculiar clinical signs or the wrong interpretation of radiological findings. For this reason, medical history taking should be very accurate, in order to underline the correlation between a past traumatic event and the present symptoms. If the defect is not promptly recognized, the patient has a considerable increase in morbidity and mortality risk. In our case the presentation of the diaphragmatic injury was delayed and the correct diagnosis was not suspected initially. We report the case of a 28 years old man presenting to our department for sudden abdominal pain associated with bowel obstruction. Patient underwent an urgent laparotomy that revealed a postero-lateral diaphragmatic hernia with incarcerated colon and omentum, which appeared ischemic and were therefore resected, with successive closure of the diaphragmatic breach. During medical history taking the patient signaled a penetrating trauma occurred eleven years before symptoms presentation. .

The use of biological mesh to repair one large, contaminated abdominal wall defect due to neoplastic invasion. Report of a case.

We hereby report a case of use of biological mesh to repair one large, contaminated abdominal wall defect due to a sigmoid tumour presented as an abscess infiltrating the abdominal wall. Our patient was a 48-year-old woman. Her medical history was negative for any previous disease or surgical procedure. Because of the abscence of neoplastic secondarism an en-bloc resection of the interested sigmoid colon and of the infiltrated abdominal wall was performed, thus resulting a large wall defect in the left inguinal region. In order to close the wall defect a biological porcine collagen mesh was used. In our case we used a Permacol mesh made of porcine acellular dermal collagen. Reconstruction of complicated abdominal wall defects is a challenging surgical problem and primary repair is often difficult to achieve without excessive tension in the abdominal wall. The use of a syntethic mesh in this patient could have been inappropriate due to the possibility of creating adhesions with intra-abdominal viscera and fistula formation. We chose to use a biological mesh because of its safer properties in case of infected, inflamed or infiltrated surgical fields, as demonstrated in the literature.

[Giant angiomyolipoma of the kidney not associated with tuberous sclerosis: a case report and review of the literature]. / Angiomiolipoma gigante del rene non associato a sclerosi tuberosa: presentazione di un caso clinico e revisione della letteratura.

The authors describe a paradigmatic case of a large renal angiomyolipoma not associated with tuberous sclerosis. The lesion was discovered as an incidental finding during abdominal ultrasound for other pathology. Owing to the extent of the lesion and the appreciable risk of spontaneous rupture and bleeding, we opted for surgical treatment. The impossibility of dissecting the angiomyolipoma from the right kidney obliged us to perform a nephrectomy. The clinical interest of angiomyolipoma is in its rapid growth, the difficulty of distinguishing it from malignant lesions, the association with tuberous sclerosis, the presence of numerous aspecific symptoms and the difficulty of establishing the correct diagnosis and treatment strategy.

Survival and recurrences after hepatic resection or radiofrequency for hepatocellular carcinoma in cirrhotic patients: a multivariate analysis.

Hepatic resection is still considered the treatment of choice for hepatocellular carcinoma in patients with liver cirrhosis. Radiofrequency ablation is a new emerging modality. The aim of this study was to compare two homogeneous groups of patients who underwent either surgical resection or laparoscopic radiofrequency, analyzing the factors predicting survival and intrahepatic recurrences with use of a multivariate analysis. From February 1997 to April 2003, 98 patients were enrolled in this prospective study. Inclusion criteria were a single nodule of less than 5 cm, Child A-B class of liver function, and no previous treatment: 40 patients were in the surgical group and 58 patients were in the radiofrequency group. The two groups were homogeneous as far as preoperative characteristics were concerned. Operative mortality was zero, and the rates of operative morbidity were similar. Actuarial survival at 4 years was not significantly different (61% after resection and 45% after radiofrequency). There was a significant higher incidence of intrahepatic recurrences after radiofrequency than after resection (53% versus 30%; P=0.018). This was mainly due to local recurrences, whereas those appearing in other liver segments were similar in both groups. A multivariate analysis showed that the significant factors predictive of an intrahepatic recurrence were the level of alpha-fetoprotein, the etiology of cirrhosis, and the type of the treatment. On the other hand, multivariate analysis of the survival showed that only the level of alpha-fetoprotein was an independent predictor of survival. The results of our study showed a significant lower incidence of intrahepatic recurrences after resection compared with after radiofrequency. This seems not to significantly influence the overall survival, probably because of a prompt and effective treatment of the recurrences themselves.

Contrast-enhanced intraoperative ultrasonography in surgery for hepatocellular carcinoma in cirrhosis.

Intraoperative ultrasonography (IOUS) is the most accurate diagnostic technique for staging hepatocellular carcinoma (HCC), but has low accuracy in differentiating the new nodules detected in the cirrhotic liver. The aim of this preliminary report is to evaluate whether contrast-enhanced intraoperative ultrasonography (CE-IOUS) could provide additional information to IOUS in patients with HCC. From August 2002 to July 2003, a prospective validation cohort study was conducted. For this purpose, 16 consecutive patients underwent liver resection for HCC using IOUS and CE-IOUS. Intraoperatively, in all patients 4.8 mL of SonoVue was injected intravenously through a peripheral vein. IOUS depicted 16 new focal liver lesions: 10 with no enhancement peculiar to HCC at CE-IOUS pattern and at histology (4) or imaging follow-up (6) proved to be benign; the remaining 6 had enhancement peculiar to HCC and histology confirmed this diagnosis. Two different patterns of enhancement were also recognized at CE-IOUS in those HCC nodules depicted preoperatively: one had no similarity to that observed at CT. CE-IOUS added findings to those of unenhanced IOUS in 50% of patients. These results show that IOUS accuracy and specificity is improved by CE-IOUS, with a great impact on surgical strategy and oncological radicality. Furthermore, a wider experience with vascular enhancement patterns with CE-IOUS could provide a new classification for HCC nodules.