Ovarian dermoid cyst: with torsion

Q: Is a ovarian or testicular torsion a radiological diagnosis? show answer

A: Torsion is a clinical diagnosis, with support from radiological investigations - largely ultrasound. Caution should be used with making the diagnosis on imaging alone.

Q: Which embryological layers are dermoid cysts composed from? show answer

A: The components of a dermoid cyst arise from all 3 embryological layers; endoderm, mesoderm and ectoderm. For this reason a wide range of malignancies have been reported as occurring within dermoid cysts, including breast and thyroid cancer.