Actinomyces odontolyticus are slow-growing, facultative anaerobic, gram-positive bacilli and rarely cause liver abscesses. We present a black male, aged 47, with adynamia, jaundice, weight loss, abdominal pain and fever, which started 6 months prior, who was diagnosed with liver abscess and underwent percutaneous drainage, with delayed identification of the pathogen in culture, after three weeks with growth of A. odontolyticus. The literature shows low positivity (10%) in the culture due to its slow growth and technical difficulties; usually positive about two weeks. This is important to alert physicians of the diagnostic possibility and the difficulty of managing it until identification.

A Doença de Whipple é uma doença infecciosa crônica causada pela bactéria Tropheryma whipplei e é caracterizada por diarreia, artralgia, perda de peso e distúrbios neurológicos. A infecção ocorre mais frequentemente em pacientes imunossuprimidos. Relato de caso: A doença de Whipple foi diagnosticada em três homens caucasianos. Dois com histórico de dependência de álcool, um deles com cirrose hepática e outro era funcionário da drenagem de esgoto. O terceiro paciente foi que não apresentava fator de risco óbvio. Identificar fatores imunossupressores e o contato repetitivo de fezes podem ajudar no diagnóstico. Conclusão: A Doença de Whipple, por ser rara e com sintomatologia variável, necessita de suspeição médica para o diagnóstico precoce proporcionar tratamento reduzindo morbimortalidade e sequelas neurológicas.

Intussusception is the invagination of a bowel segment into another immediately adjacent, causing obstruction, and the etiology can be benign, malignant, or idiopathic. The diagnosis may be obtained by ultrasound scans, or computed tomography imaging that can detect characteristics findings. Small bowel obstruction due to intussusception of inverted Meckel's diverticulum is a rare condition that usually constitutes a challenging diagnosis in adulthood. The surgical management in adults is often performed by en bloc resection without reduction attempts. We report a case of CASE REPORTS a middle-aged man with acute intestinal obstruction due to an ileo-ileal intussusception of inverted Meckel's diverticulum with a lipoma that was managed by laparoscopy. Worthy of note is the very scarce number of case reports on this exceeding uncommon association.