Goubaa Mohamed MD Djerba Tunisia

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Undescended left testicle was identified in inguinal canal of 23-year-old man Un testicule gauche ectopique a été identifié dans le canal inguinal, chez un patient de 23 ans



Longitudinal views of the normal testis (right) and undescended (left) show that the undescended testis that is located in the inguinal canal is smaller and has a more elongated appearance. The echo texture of an undescended testicle is homogeneous and hypoechoic. Les coupes longitudinales du testicule normal en place (droit) et du testicule ectopique (gauche) montrent que le testicule ectopique, qui est situé dans le canal inguinal, est plus petit et a un aspect plus allongé. L'echostructure de ce dernier est homogène et hypoéchogène.



Undescended left testis located in the inguinal canal Testicule ectopique situé dans le canal inguinal


Undescended testicle

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In the normal fetus, the testicles descend into the scrotal sac at approximately 36 weeks' gestation. If the testes fail to descend into the scrotum, cryptorchidism results.
An undescended testicle has a 40 times higher risk of cancer than does a testicle within the scrotal sac
Sonographic Findings :
Approximately 80% of undescended testes are located within the inguinal canal and are easily visualized with sonography. Intra-abdominal testes occur in the retroperitoneum from the level of the kidneys to the internal inguinal ring. Intraabdominal testicles may be located as high as the renal pedicle
An undescended testicle is identified as a soft tissue mass in the inguinal canal or peritoneal cavity. The undescended testicle is typically smaller than a normally located testicle and may be mobile on palpation. The echo texture of an undescended testicle is homogeneous and hypoechoic.
For surgical correction of cryptorchidism in infants and young children, the undescended testicles are placed in the scrotal sac. Surgery within the second year of life is recommended.
The risk of cancer is eliminated if the testis is surgically relocated to the scrotum prior to age 5. Between ages 5 and 10, orchiopexy has a diminishing effect on the rate of cancer. After age 10, orchiectomy is usually performed.


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