From the case:
Fish (illustration)
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Illustration of a fish.
Rarely the pancreatic tail is bifid, resembling that of a fishtail. Thus it is known as a fishtail pancreas.
Alternatively, the distal humerus can have a contour abnormality secondary to the lateral trochlear ossification centers failing to develop. This is known as a fishtail deformity.
Case Discussion
Image generated with Midjourney.com by Frank Gaillard.