Hydronephrosis
History: 48 year old female with chronic pelvic and flank pain and vaginal bleeding. This patient was found to have a large cervical mass (squamous cell carcinoma of the cervix) that was obstructing both kidneys. This is the appearance of chronic hydronephrosis, with cortical thinning.
Intrauterine Device in Cervix
History: 25 year old female presents with amenorrhea and pelvic pain for 8 weeks. This patient was found to also have an intrauterine pregnancy at 19 weeks gestational age. Notice the fetal head on the left side of the image.