A simple cyst classically appears as a mass that has well-defined ... Figure 5. On ultrasound, this indeterminate lesion had variable solid as well as cystic characteristics.

We believe that EUS-FNA should be seriously considered in all patients with a solid pancreatic mass lesion to guide therapy irrespective of surgical stage and symptoms.

Diagnosis often involves imaging studies such as ultrasound, which can distinguish between fluid-filled cysts and solid masses. If a cyst is symptomatic or causing discomfort, it may be drained ...