Triad of vomiting, abdominal distension and "String of beads" sign on abdominal X-ray is typically suggestive of –: (A) Duodenal atresia, (B) Small bowel obstruction, (C) Large bowel obstruction, (D) Gastric volvulus
Answer is B. "Strings of beads" sign is pathognomonic of small bowel obstruction.