Sacrococcygeal teratoma

Case contributed by Dr Jeremy Jones

Presentation

Huge perineal mass.

Patient Data

Age: 0 days
Gender: Female
X-ray

Catheter coiled in bladder.

Huge soft-tissue mass extends below the bottom of the film. Non-specific bowel gas pattern.

MRI

Huge pre-sacral soft-tissue mass composed of fluid and solid elements. It extends out of the pelvis into a huge perineal mass. 

There is local internal mass effect resulting in bilateral hydronephrosis.

Case Discussion

Appearances are those of sacrococcygeal teratoma. This was confirmed pathologically and the tumor was removed.

3 years later, there is no residual mass and the kidney upper tract dilatation has almost resolved (there is a small amount of dilatation on the right).

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