A newborn has a dimple on the skin slightly above the angle…

A newborn has a dimple on the skin slightly above the angle of the mandible.  Close examination determines that this structure is a first pharyngeal cleft sinus (duplication of the first pharyngeal cleft).  This sinus most likely leads to which of the following?

A 24-year-old male complains of extreme pain near his umbili…

A 24-year-old male complains of extreme pain near his umbilicus.   Although the physician initially suspects appendicitis, the patient states that he had his appendix removed when he was 12.  Imaging reveals that there is gastric tissue in the stomach, and also in the area of the umbilicus.  Which of the following is most consistent with this patient’s symptoms?