Abscess

Retropharyngeal Abscess The left image is of an axial CT scan of left retropharyngeal abscess. The right image is a lateral plain film of retropharyngeal abscess demonstrating a significant amount of pervertebral soft tissue swelling and an anteriorly displaced...

Placenta Previa

Placenta (P) covers the os. Crosses (+) approximate the cervical length and the bladder (B) is seen on the right. (Courtesy of Dr. Seaward and Dr. Ryan, Mt Sinai Hospital)