Background: Pancreatic hamartoma is an extremely rare benign disease, and previous reports have provided little\ndetail regarding its appearance in imaging. As a result, we report the imaging findings for two cases of pancreatic\nhamartoma.\nCase presentation: One 57-year-old female patient and one 69-year-old male patient presented with pancreatic\nlesions incidentally detected by US; CT and MRI revealed a 2.9-cm cystic and solid lesion and a 1.4-cm solid lesion,\nrespectively. US showed a hypoechoic well-defined mass in the pancreatic head. The plain CT indicated that the\ninternal density was uneven, and the lesions showed obvious progressive enhancement. The MRI-T2WI showed isoto\nhigh-intensity, the DWI showed iso-intensity, and the masses also all showed obvious progressive enhancement.\nHistopathological studies confirmed the diagnosis of pancreatic hamartoma.\nConclusion: Pancreatic hamartoma is an extremely rare tumour with benign features, such as no dilatation of the\nMPD and well-defined, slight hyperintensity or iso-intensity on T2WI and iso-intensity on DWI, with obvious\nprogressive enhancement. Therefore, detailed review of multiple imaging modalities may help in diagnosis of PH\nand prevent unnecessary surgery for patients with this diagnosis.
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