• Le Li, Xiaohua Liu, Jinming Chen, Zhonghua Liu, Qiang Li, and Ying Shi.
• The Hepatobiliary Surgery, Chifeng Municipal Hospital.
• Medicine (Baltimore). 2019 Aug 1; 98 (31): e16488.

IntroductionIntrapancreatic accessory spleen (IPAS) has been rarely noted radiologically because the spatial resolution of conventional images was low. The infrequent presence of the accessory spleen in the pancreatic tissue could lead to inappropriate diagnosis, thereby necessitating a therapeutic approach. The present study reported such cases and summarized the available imaging findings to reduce unnecessary invasive surgeries.Patient ConcernsThe patient's complaint was "a pancreatic mass was found for half a month."DiagnosisIPAS was eventually diagnosed by pathology.InterventionsLaparoscopic spleen-preserving pancreatic resection.OutcomesPostoperative course was uneventful and the patient was discharged from our hospital after 10 days.ConclusionsWhen an asymptomatic pancreatic mass is detected, the diagnosis of IPAS should not be excluded, especially if the lesion has the same imaging features as the spleen. As a definite diagnosis of IPAS is difficult by a single examination, multiple techniques might be essential.

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