Spontaneous cholecystocutaneous fistula is rarely observed today because of the early diagnosis and management made possible by ultrasonography, broad-spectrum antibiotics, and effective surgical management of biliary tract disease. We present a case of spontaneous cholecystocutaneous fistula due to cholecystitis.

The authors report a case of asymmetricdevelopment of the mastoid antrum in a neonate. The lack of mastoid development most likely represents a congenital maldevelopment.Agenesis of themastoidantrum hassurgical implications, asfailure to recognize its absence can result in disorientation duringsurgery, with potential to injure adjacentstructures.