ARP Case Report nº 29: What is your diagnosis?

A 19-year-old female was referred to our institution for an incidental finding during a check-up ultrasound for nonspecific abdominal discomfort. The ultrasound showed a mixed lesion at the pancreas tail, with cystic and solid areas. The patient was asymptomatic, with no relevant laboratory anomalies and her past medical history was unremarkable. A Magnetic Resonance (MR) was performed for further evaluation.(Fig. 1) What is your diagnosis?

Figure 1: Axial T2-weighted MR image (A), unenhanced fat-surpassed T1-weighted MR image (B), diffusion-weighted imaging b800 (C) and ADC map (D) MR images, contrast-enhanced fat-suppressed T1-weighted MR images in the arterial-phase (E) and delayed-phase (F).