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→Extratesticular tumors: less spacing
[[File:Scrotal ultrasonography of rhabdomyosarcoma.jpg|Rhabdomyosarcoma (a) Longituidinal section (composite image) of high resolution ultrasound of a 14 year-old boy shows a well defined hypoechoic extratesticular mass is found in the left scrotum, hydrocele is also present. (b) Color Doppler ultrasound shows that the mass is hypervascular.<ref name="MakTzeng2012"/>
File:Scrotal ultrasonography of mesothelioma.jpg|Mesothelioma arising from the tunica vaginalis. Color Doppler ultrasound demonstrates a well-defined hypoechoic nodule occupying the left epididymal head, with a few areas of color flow demonstrated. The left testis is intact with no focal nodule detected. Hydrocele is also present.<ref name="MakTzeng2012"/>
File:Scrotal ultrasonography of leiomyoma.jpg|Leiomyoma arising from tunica albuginea. (a) Montage of 2 contiguous sonograms of a 67 year-old man shows a well-defined extratesticular mass with a whorl-shaped echotexture. (b) ColorDoppler sonogram shows no internal vascularity. Note the presence of multiple shadows
not associated with echogenic foci in the mass.<ref name="MakTzeng2012"/>
File:Scrotal ultrasonography of liposarcoma.jpg|Liposarcoma. A heterogeneous mass consists of an upper hyperechoic portion corresponds to lipomatous matrix and areas of hypoechogenicity corresponds to nonlipomatous component is seen.<ref name="MakTzeng2012"/>
