Best Diagnosis for Ectopic gastric mucosa of meckels diveiculum -

Ans is 'd' ie. Radionuclide scan "If a Meckels diveiculum is suspected because of repeated gastrointestinal haemorrhage the abdomen can be scanned after the injection of 99Tc-labelled peechnetate intravenously. This may localise heterotopic gastric mucosa revealing the site of a meckels diveiculum in 90% of cases." - Bailey & Love