[Malignant sacrococcygeal teratoma in an adult woman].

Background: Sacrococcygeal teratomas are neoplasms that are ordinarily diagnosed intrauterinely. In case of complete or partial intrapelvic sacrococcygeal teratoma, it may happen that it is only ascertained at a later age.

Case Description: During a regular monitoring visit for breast cancer a 58-year-old female reported that she had discovered a swelling at the level of her coccyx.

[A woman with a blue coloured skin].

A 66-year-old woman with carcinoma of the breast developed a blue-grey colouring of the skin, after injection of patentblue for sentinel node procedure. This is a rare hypersensitivity reaction on patentblue, with the risk of depression of oxygen saturation or anaphylactic shock.