A male with colicky pain abdomen

The syndrome is associated with abdominal pain, nausea, vomiting, Obstruction and peritonitis, which depends on the size of this structure. Identify the structure and this extremely rare condition

1 year old child presented with h/o abdominal distension, right upper quadrant mass, intermittent abdominal pain along with vomitting and constipation. CECT if child is represented below.

a boy aged 4and half yr came to me with history itching over whole body since 3days with pain abdomen.. history 2episode vomiting with on and off fever.. Dx Nd Rx??

Foreign body (coin) 7 yrs m ch Please suggest ur valuable opinions

12 year old male with history of patent ductus arteriosus presents to the Emergency Department for evaluation of acute diffuse abdominal pain for the last x5 days. Patient has had vomiting for this timeframe and has not had a bowel movement in x6 days. Diagnosis?