Actinomycosis is a rare disorder caused by an anaerobic gram-positive bacillus (Actinomyces), predominantly by the Actinomyces israelii species. Only 20% of cases show an abdominal manifestation, the appendix and ileocecal valve being the most frequent locations. Definitive diagnosis is based on microbiological cultures, microscopy or macroscopy examination. Nevertheless, histological examination of the percutaneous biopsy and blood microbiological cultures are rarely positives. Preoperative diagnosis is hampered by the lack of specific clinical and imaging manifestations, which often mimic malignancy. The rate of preoperative diagnosis is less than 10%, however, the outcome is excellent, with a low mortality rate. The authors describe the case of a patient who was diagnosed with primary hepatic actinomycosis only by a histological examination of the surgical specimen of left hepatectomy extended to segments V and VIII, for suspected malignant lesion. This case demonstrates the difficulties in diagnosing hepatic actinomycosis.
Introduction: The Dieulafoy lesion (DL) is a rare cause of gastrointestinal bleeding. Advances in the endoscopy field have allowed an increased rate of detection and therapeutic efficacy. However, doubts remain about the most effective hemostatic approach, the affecting variables of therapeutic failure, and early relapse, as well as in the long-term followup. Aims: To assess the efficacy of endoscopic treatment of DL and to identify possible risk factors for early relapse and long-term results. Methods: All patients with DL admitted to a tertiary hospital between 01/01/2007 and 12/31/2018 were evaluated. The form of presentation, associated pathologies, chronic medication, therapeutic approach, and eventual relapse were determined. A telephone interview was conducted for all patients to find out the long-term results. Results: We identified 73 patients with DL, 45 (61.6%) males, with a mean age of 74 ± 15 years. Thirty-nine patients presented the DL in the stomach, 15 in the duodenum, 2 in the small bowel, 3 in the colon, and 11 in the rectum. The median number of endoscopic examinations required for di-agnosis was 2. Median Rockall was 4 (range 2-7). After endoscopic treatment, in 95% of the cases, no active bleeding was evident. Only 2 patients required interventional radiology procedures and 1 needed surgery. Fourteen patients (19%) had a rebleeding, 12 during hospitalization and 2 after a median time of 51 months (range 1-117). There was no difference between the groups with and without early relapse in relation to age, gender, hemoglobin values at presentation, presence of shock, associated pathologies, and anticoagulation. Antiplatelet agents intake had a statistically significant relationship with early relapse (p = 0.003). Conclusion: Endoscopic therapy is safe and effective in DL. Patients under antiplatelet therapy are more likely to have an early relapse. The long-term prognosis is excellent, even in patients only treated with endoscopic methods.
Introduction: The diagnostic acuity of colonoscopy requires a careful evaluation of the colonic mucosa, so an adequate bowel cleansing is a key element of the procedure. It is internationally recommended that an evaluation of the quality of the intestinal preparation should be included in the colonoscopy report. The Boston Bowel Preparation Scale (BBPS) is a bowel cleanliness rating scale that has gained some preponderance in this context. However, its application implies some degree of subjective appreciation, and it is important to conduct interobserver reproducibility studies in different contexts. The objective of the present study was to evaluate the reliability of the BBPS in the Portuguese gastroenterological community. Methods: A prospective study involving Portuguese gastroenterologists with clinical practice in several contexts, and using different methods of evaluation of the intestinal preparation. Participants were invited to answer a questionnaire encompassing 93 static images and 12 video segments of colonoscopy examinations, with different levels of intestinal preparation. For each item, the participant gastroenterologist assigned a score of 0-3, according to the BBPS criteria. A statistical analysis was performed with SPSS 20.0 software, using the intraclass correlation coefficient (ICC). Results: From 45 invited gastroenterologists, 36 replied (mean age 39 ± 9 years). Fifteen (41%) had more than 10 years of colonoscopy experience and 20 (56%) performed more than 40 examinations per month. Twenty-seven (77%) usually used the BBPS in their daily practice. Statistical analysis revealed a strong interobserver correlation (ICC = 0.783) in the application of the BBPS, even in those gastroenterologists who did not use the scale in their daily routine (ICC = 0.775) and those with less years of experience (ICC = 0.820). The correlation in the videos was slightly lower than that observed in the static images (ICC = 0.74 vs. ICC = 0.78). Conclusion: The application of the BBPS in the Portuguese gastroenterology community is reproducible and can represent a way to harmonize the colonoscopy reports, contributing to its correct interpretation and subsequent patient orientation.
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