Abdominal and pelvic actinomyces has been called "one of the greatest imitators in clinical practice". Actinomycosis is a crhonic suppurative infection due to a gram positive, non-spore-forming, anaerobic bacteria. The organisms are indigenous in the oral cavity, GI tract, and genital tracts, with opportunistic infection occurring when the mucosal barrier is broken, leading to multiple abscess formation, fistula or mass lesion. Actinomyces has three major forms of clinical manifestation: cervicofacial, thoracic and abdominal. We present a case of abdominal-pelvic actinomycosis.

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Diverticula may occur in any segment of the digestive tract: esophagus, stomach, duodenum, jejunum, ileum, appendix, and colon. Its clinical manifestations are nonspecific which may turn difficult an early diagnosis, leading to a higher risk of complications. We present a cases serie of atypical digestive diverticula and to describe the findings on the different imaging techniques. We performed a retrospective review on the imaging computer archives of our institution. The atypical diverticula were selected. Zenker and Killian-Jamieson's diverticulums in esophagus. In stomach ocasionally gastric diverticula. Diverticula in small intestine have a low prevalence, the most common location is duodenum. Colonic diverticula may present a atypical location or presentation. The appendicular and Meckel diverticuli are uncommon. The digestive diverticula are uncommon, except the colonic ones. The radiologist must be familiar with it's different locations in order to be able to recognize it and diagnose it properly

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