A DOTA PET scan (Dotatate PET scan) is a specialized imaging test primarily used for detecting neuroendocrine tumors (NETs). It works by targeting somatostatin receptors, which are highly expressed in NET cells. The scan uses a radiotracer, typically Gallium-68 (Ga-68) DOTATATE or Copper-64 (Cu-64) DOTATATE, which binds to these receptors and highlights tumors in the body.