Source: The Great Interpretation of Dreams (Ibn Sirin)
(By analogy with uncovering matters) An X-ray in a dream indicates the uncovering of a hidden matter or learning the truth of an illness.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
(By analogy) An X-ray indicates searching for the truth. Whoever sees himself undergoing one is searching for a matter.
Source: Signs in the Science of Expressions (Ibn Shaheen)
(By analogy) An X-ray is interpreted as worry. Whoever sees himself undergoing one is in worry.