21. More exact measurements can be performed with obstetric ultrasonography . 22. Lymphangiomas are commonly diagnosed before birth using fetal ultrasonography . 23. Ultrasonography may detect early Graves'orbitopathy in patients without clinical orbital findings.24. Currently, most prostate biopsies are performed using transrectal ultrasonography ( TRUS ). 25. Ultrasonography also can illustrate the existence of a " lenticonus ".26. Imaging ( IVP, ultrasonography , CT scan ) will identify the lesion. 27. Ultrasonography is currently the only valid diagnostic method for its detection in this breed.28. Ultrasonography could demonstrate omphaloenteric duct remnants or cysts.29. If uncertainty exists, ultrasonography of the scrotum can confirm if it is spermatocele. 30. If the ultrasonography is not reassuring, hysteroscopy and endometrial biopsy should be performed.
