Fig. 2From: Diagnostically challenging human papillomavirus-associated primary squamous cell carcinoma of the rectum with metastasis in both ovaries: a case reportPreoperative imaging. a Computed tomography scan. b Magnetic resonance imaging axial. c Endoscopy. d Positron emission tomography scan. In computed tomography scan and magnetic resonance imaging only, primary tumor was clearly detected (red arrow). A cystic ovary was described. To exclude foreign metastasis a positron emission tomography scan was performed with an enhancement in both ovaries (yellow arrows)Back to article page