Background. Endoscopic ultrasound- (EUS-) guided drainage is generally performed under fluoroscopic guidance. However, improvements in endoscopic and EUS techniques and experience have led to questions regarding the usefulness of fluoroscopy. This study aimed to retrospectively evaluate the safety and efficacy of EUS-guided drainage of extraluminal complicated cysts without fluoroscopic guidance. Methods. Patients who had undergone nonfluoroscopic EUS-guided drainage of extraluminal complicated cysts were enrolled. Drainage was performed via a transgastric, transduodenal, or transrectal approach. Single or double 7 Fr double pigtail stents were inserted. Results. Seventeen procedures were performed in 15 patients in peripancreatic fluid collections (n = 13) and pelvic abscesses (n = 4). The median lesion size was 7.1 cm (range: 2.8–13.0 cm), and the mean time spent per procedure was 26.2 ± 9.8 minutes (range: 16–50 minutes). Endoscopic drainage was successful in 16 of 17 (94.1%) procedures. There were no complications. All patients experienced symptomatic improvement and revealed partial to complete resolution according to follow-up computed tomography findings. Two patients developed recurrent cysts that were drained during repeat procedures, with eventual complete resolution. Conclusion. EUS-guided drainage without fluoroscopic guidance is a technically feasible, safe, and effective procedure for the treatment of extraluminal complicated cysts.

There are many reports about causes of corrosive agents such as acids and alkaline and occasionally hot food in either liquid or solid forms as causes of upper gastrointestinal mucosal injury. However, there have been no reports on bowel preparation solutions as a cause of upper gastrointestinal injury. We describe a case of bowel preparation solution (PICOLIGHT powder) induced thermal injury of the gastric mucosa with a review of the literature.

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RESUMONum levantamento sobre coccidiose intestinal em 27 gambás do sudeste de orelha preta adultos, Didelphis aurita, na região sudeste do Brasil, um grande número de oocistos com 34,28 ± 4,51 por 31,63 ± 4,62 mm de diâmetro e com índice morfométrico de 1,09, contendo de 8 a 12 esporocistos foram observados em dois (7,41 %) animais. De acordo com a dieta dos gambás, mais a característica morfológica dos oocistos esporulados, este organismo foi identificado como um coccidia da família Adeleidae, sendo assim considerado como um pseudoparasito deste animal. PALAVRAS-CHAVE: Adeleidae, Coccidia, oocistos esporulados, pseudoparasitismo, Didelphidae, Didelphis aurita, gambá do sudeste de orelha preta.

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