title: Ultrasound demonstration of a thyroid carcinoma within a benign cyst.
mesh_terms: D002291:Carcinoma, Papillary / Q000150:complications / Q000175:diagnosis*; D003560:Cysts / Q000150:complications / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008875:Middle Aged; D013959:Thyroid Diseases / Q000150:complications / Q000175:diagnosis*; D013964:Thyroid Neoplasms / Q000150:complications / Q000175:diagnosis*; D014463:Ultrasonography