LAUSR

Nonmelanomatous skin cancer (NMSC) is the most common type of malignancy, and radiation therapy (RT) is an excellent alternative treatment for patients who are medically inoperable or refuse surgery. High-dose-rate (HDR) surface brachytherapy (BT) can spare adjacent and deeper normal tissue from radiation doses while delivering a larger radiation dose to skin cancers. Therefore, surface BT is especially suitable for patients who have lesions that are located in sensitive anatomic regions such as the scalp, eyes, or nose. Ultrasound guidance is needed typically for tumor localization during BT for prostate and cervical cancers, but its use for NMSC treatment is uncommon. Here, we report on the first case, to our knowledge, in which 3-dimensional, high-resolution ultrasound guidance is used during iridium-based BT for NMSC.