Egg shell pattern on X-ray abdomen may be seen in:: (A) Testicular torsion, (B) Hydrocele, (C) Meconium ileus, (D) All of the above
Answer is C. In patients with complicated meconium ileus, intraperitoneal calcifications form, producing an eggshell pattern on plain abdominal radiograph. Ref: Schwaz's principle of surgery 9th edition, chapter 39.