title: Rim sign in entodermal sinus tumor.
mesh_terms: D006801:Humans; D007223:Infant; D008297:Male; D008649:Mesonephroma / Q000000981:diagnostic imaging*; D011877:Radionuclide Imaging; D012611:Scrotum / Q000000981:diagnostic imaging; D013736:Testicular Neoplasms / Q000000981:diagnostic imaging*