Fetus in fetu

Case contributed by Yaïr Glick
Diagnosis certain

Presentation

Neonate with left abdominal distension. No prenatal ultrasound done.

Patient Data

Age: Neonate
x-ray

There is fullness in the left abdomen with several calcific forms resembling bones.

ultrasound

Two heterogeneous ovoid masses located in the left abdomen, appear retroperitoneal. Both show internal calcific components (bones) but no obvious internal flow.

Surgery

Photo

The masses were removed in their entirety.

x-ray

An X ray study reveals partially formed skeletons in both "masses", including vertebrae, ribs, and long bones.

x-ray

Normal follow-up x ray of the neonate.
Nasogastric tube well-placed.

Case Discussion

An extremely rare case of fetus in fetu (or rather, two fetuses in fetu).
The neonate recovered from surgery rapidly and uneventfully.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.