Epidemiologic characteristics, serotypes, and antimicrobial susceptibilities of invasive Streptococcus pneumoniae isolates in a nationwide surveillance study in Lebanon.

Invasive pneumococcal disease (IPD) associated with Streptococcus pneumonia is a major public health problem worldwide for all age groups, including in Lebanon. Prevention through vaccination remains the most valuable tool to decrease the burden of disease. Pneumococcal conjugate vaccine 7 (PCV7), marketed internationally including in the Middle East and North Africa region for the prevention of IPD, was introduced in Lebanon in 2006, followed by PCV10 and PCV13 in 2010.

Intestinal polypoid arteriovenous malformation: unusual presentation in a child and review of the literature.

Aim: We report a jejuno-jejunal intussusception with a polypoid arteriovenous malformation as a lead point in a 12-year-old boy, presenting with lower abdominal pain and non-bloody non-projectile vomiting.

Methods: A computed tomography scan of the abdomen and pelvis showed proximal jejuno-jejunal intussusception in the right upper quadrant. Exploratory laparotomy revealed a 5.