The ultrasound image shows multiple simple and one complex right ovarian cyst, with diffuse low-level echos and absence of flow on Doppler US. Note that there is good through-transmission, also through the complex cyst (blue arrow). On the T1 with fatsat the lesion remains bright, ruling out a fatty lesion.
A purist is  one who desires that an item remain true to its essence and free from adulterating or diluting influences. The term may be used in almost any field, and can be applied either to the self or to others. Use of the term may be either pejorative or complimentary, depending on the context.
in criticism, rigid or strict evaluation of a work of art or literature in terms of a code of standards of the critic or of a school of style or criticism related to or distinct from the critic, artist, or writer. See also art; language; literature. â purist, n., adj.