title: [Value of ultrasonography in the diagnosis and differential diagnosis of testicular tumor].
abstract: OBJECTIVE
  To evaluate ultrasonography in the diagnosis and differential diagnosis of testicular tumor.
  
  
  METHODS
  Ultrasound findings and post-operation pathological results were retrospectively studied in 172 men with testicular mass 1998 to 2005.
  
  
  RESULTS
  Of the total number, 50 cases were testicular hematoma, 13 testicular cyst, 26 testicular inflammatory node, 25 testicular tuberculosis and 58 testicular tumor. Among 59 testicular tumor cases, 50 were germ cell tumor (including 41 cases of seminoma and 9 cases of nonseminoma germ cell tumor), 6 were non-germ cell tumor and 3 were secondary tumor. The sonographic features of typical seminoma, teratomas, epidemic cyst, interstitial cell tumor and malignant lymphoma were obvious.
  
  
  CONCLUSIONS
  Ultrasonography, contributive to the preliminary diagnosis and differential diagnosis of testicular tumor and capable of evidence for further treatment, can be the first choice in medical imaging for the diagnosis of testicular tumors.
authors.affiliation: Department of Urology, Drum Tower Hospital Affiliated to Nanjing University Medical College, Nanjing, Jiangsu 210008, China. wawe9999@163.com
authors.forename: Wei
authors.initials: W
authors.lastname: Wang
authors.forename: Zhen-hua
authors.initials: ZH
authors.lastname: Gong
authors.forename: Yu-tian
authors.initials: YT
authors.lastname: Dai
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002648:Child; D002675:Child, Preschool; D003937:Diagnosis, Differential; D018240:Endodermal Sinus Tumor / Q000000981:diagnostic imaging; D006406:Hematoma / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D018239:Seminoma / Q000000981:diagnostic imaging*; D013724:Teratoma / Q000000981:diagnostic imaging; D013733:Testicular Diseases / Q000601:surgery; D013736:Testicular Neoplasms / Q000000981:diagnostic imaging*; D014463:Ultrasonography