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 ::  Abstract
 ::  Material and Methods
 ::  Results
 ::  Discussion
 ::  References

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ORIGINAL ARTICLE
Year : 2005  |  Volume : 51  |  Issue : 4  |  Page : 266-268

Laparoscopic orchiopexy: Is closure of the internal ring necessary?


Department of Pediatric Surgery, Army Hospital Research & Referral, New Delhi-110 010, India

Date of Submission08-Feb-2005
Date of Decision20-Mar-2005
Date of Acceptance16-Jun-2005

Correspondence Address:
Rakesh Handa
Department of Pediatric Surgery, Army Hospital Research & Referral, New Delhi-110 010
India
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Source of Support: None, Conflict of Interest: None


PMID: 16388167

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 :: Abstract 

Background: Narrowing of the internal ring around the pulled through spermatic cord in cases of laparoscopic orchiopexy is the norm. Aim: To carry out a prospective study to see if closure of the internal ring is really necessary, hypothesis being that mobilization of the impalpable testis leaves a raw surface, which, coupled with the presence of the spermatic cord results in effective closure of the internal ring. Methods and Materials: 51 patients with 65 impalpable testes underwent laparoscopic orchiopexy between July 1998 and Jun 2003. An impalpable testis was present in 21 cases on the left, 16 cases on the right and bilateral in 14 cases. Following complete mobilization required for orchiopexy, all testes with adequate length of spermatic cord were pulled down into the scrotum through the inguinal canal. No suture was applied to narrow the internal ring around the pulled through spermatic cord. Five testes were pulled down by an opening in the medial end of the inguinal canal due to inadequate length of the spermatic cord. In these cases the internal ring was closed by a suture. Results: Follow up of all cases ranged between 1.5 years to 6.5 years. Not a single case has reported with recurrence of a hernia. Conclusion: The results suggest that narrowing of the internal ring around the pulled through spermatic cord may not be necesary.


Keywords: Impalpable testis, laparoscopy, orchiopexy, internal ring closure


How to cite this article:
Handa R, Kale R, Harjai M M. Laparoscopic orchiopexy: Is closure of the internal ring necessary?. J Postgrad Med 2005;51:266-8

How to cite this URL:
Handa R, Kale R, Harjai M M. Laparoscopic orchiopexy: Is closure of the internal ring necessary?. J Postgrad Med [serial online] 2005 [cited 2019 Jun 18];51:266-8. Available from: http://www.jpgmonline.com/text.asp?2005/51/4/266/19232


Laparoscopy is the single most accurate modality for diagnosis, localization and management of impalpable testes. The conventional and accepted technique of laparoscopic orchiopexy recommends that the internal ring should be narrowed around the pulled through spermatic cord to avoid herniation of viscera. [1] However the authors hypothesize that mobilization of undescended testes leaves a raw surface, which, coupled with the presence of the pulled through spermatic cord results in effective closure of the internal ring. A prospective study was carried out to test this hypothesis.


 :: Material and Methods Top


The study involved 74 patients with 92 impalpable testes reporting to the Department of Pediatric Surgery of a tertiary care hospital between July 1998 and June 2003.Out of these, 7 cases of impalpable testis in whom the testis was lying more than 3 cm proximal to the internal ring were managed with staged Stephen-Fowler technique and so were excluded from the study leaving 67 patients with 85 testicular units. After baseline investigations, all children underwent laparoscopy for localization of the testis along with mobilization and simultaneous orchiopexy by placement of the testis in a subdartos pouch using a 3 mm laparoscope set.

Following complete mobilization of the testis, adequacy of spermatic cord length was confirmed by the ability to take the mobilized testis to the contralateral internal ring. An artery forceps was then introduced retrogradely into the external and internal inguinal rings through a scrotal incision and the mobilized testis was grasped under laparoscopic vision and pulled down into a subdartos pouch. This resulted in the apposition of the raw surface of the spermatic cord with that of the raw area at the internal ring from where the testis was mobilized. In view of the opposing raw surfaces, the internal ring was not closed with a suture. Permission for this was obtained from the institutional review board and also in a written informed consent from the parents guardians. In those cases where the length of the spermatic cord was inadequate despite mobilization, the artery forceps was made to enter the peritoneal cavity directly in the region of the external ring so as to be medial to the epigastric vessels. In these patients, the native internal ring was obliterated with a suture.


 :: Results Top


Laparoscopy revealed a blind ending vas in two cases and the vas and vessels were seen to be entering the internal ring in 7 cases, which necessitated open inguinal exploration. These 9 cases were excluded from the study leaving 58 patients with 76 impalpable testes. The age ranged from 4.3 years. An impalpable testis was present in 23 cases on the left side, 17 cases on the right side and was bilateral in 18 cases.

Of the 76 testis, 71 testes had an adequate length of the spermatic cord which permitted them to be pulled down into the scrotum by holding in an artery forceps introduced in a retrograde manner from the scrotum and external ring into the internal ring. No suture was applied to narrow the internal ring around the pulled through spermatic cord. Five testes were pulled down through an opening created by the retrogradely introduced artery forceps at the medial end of the inguinal canal due to inadequate length of the spermatic cord. This enabled placement of the testis in the scrotum by following a direct route and exiting the peritoneal cavity medial to the epigastric vessels instead of traversing the inguinal canal. In these cases, since the testis was invariably lying proximal to the internal ring, its mobilization did not result in a raw area at the internal ring and since nothing was traversing the internal ring, it was obliterated by a suture.

Follow up of 51 cases with 65 testicular units ranged between 1.5- 6.5 years with 7 cases being lost to follow up. Median follow-up was 2.2 years. No inguinal hernia was detected on regular follow up. 2 cases had atrophy of the testes and 1 case had local wound infection. In rest of cases, the testis was consistent with age and preoperative assessment.


 :: Discussion Top


Impalpable and undescended testes are a very common preoccupation for specialized pediatric surgery teams. Laparoscopy as one of the most accurate modalities for diagnosis and localization of impalpable undescended gonad is well established.[2],[3],[4] However the therapeutic attitude and the technique are still a matter of debate.

No special investigative workup with ultrasound, CT or MRI scan was done in this study. This was because of the known inadequate sensitivity and specificity of ultrasound as a diagnostic modality for abdominal testis.[3],[5] A CT scan exposes the child to radiation while the cost of a contrast MRI does not justify its use when laparoscopy is available both as a diagnostic and therapeutic modality.[6]

In this preliminary study, we have deliberately not closed the internal ring around the pulled through spermatic cord. This approach was prompted by the observation that the majority of the testes lie in the region of the internal ring. The mobilization of these testes by division of the gubernaculum and the dissection required to free a long loop vas deferens results in a large raw area at the internal ring. When the testis is pulled down into the scrotum, the mobilized surface of the spermatic cord is in apposition with the raw area at the internal ring. Healing of the peritoneum occurs rapidly and so results in a satisfactory closure of the internal ring. This is also supported by the fact that many surgeons feel that ligation of the hernial sac in herniotomy is not required.[7],[8],[9],[10]

We have had a follow up for all these cases ranging from 1.5 to 6.5 years and no patient in whom the internal ring was not closed surgically around the pulled through spermatic cord reported with the development of a clinically obvious inguinal hernia on that side. We however acknowledge that the sample size of our study is small and the median follow up period is short to support our hypothesis conclusively.

The authors hence suggest that routine narrowing of the internal ring around the pulled through spermatic cord could possibly be omitted. This cuts down the operative time and also eliminates the possibility of vascular compromise to the mobilized testis in case the internal ring is tightened too much inadvertently. However, a large study with adequate follow up of at least 5 years is necessary before this approach is acceptable to all.



 
 :: References Top

1.Esposito C, Vallone G, Settimi A, Gonzalez Sabin MA, Amici G, Cusano T. Laparoscopic orchiopexy without division of the spermatic vessels: can it be considered the procedure of choice in cases of intraabdominal testis? Surg Endosc 2000;14:658-60.  Back to cited text no. 1  [PUBMED]  
2.Chui CH, Jacobsen AS. Laparoscopy in the evaluation of the non-palpable undescended testes. Singapore Med J 2000;41:206-8.  Back to cited text no. 2  [PUBMED]  
3.Al-Shareef ZH, Al-Shlash S, Koneru SR, Towu E, Al-Dhohayan A, Al-Brekett K. Laparoscopic orchidopexy: one-stage alternative for non-palpable testes. Ann R Coll Surg Engl 1996;78:115-8.  Back to cited text no. 3  [PUBMED]  
4.Argos R, Unda FA, Ruiz OA, Garcia LC. Diagnostic and therapeutic laparoscopy for nonpalpable testis. Surg Endosc 2003;17:1756-8.  Back to cited text no. 4    
5.Tennebaum SY, Lerner SE, McAleer IM, Packer MG, Scherz HC, Kaplan GW. Preoperative laparoscopic localization of the non palpable testis: a critical analysis of a 10 year experience. J Urol 1994;151:732-4.  Back to cited text no. 5    
6.Yeung CK, Tam YH, Chan YL, Lee KH, Metreweli C. A new management algorithm for impalpable undescended testis with gadolinium enhanced magnetic resonance angiography. Urol 1999;162:998-1002.  Back to cited text no. 6    
7.Mohta A, Jain N, Irniraya KP, Saluja SS, Sharma S, Gupta A. Non ligation of hernial sac during herniotomy: a prospective study. Pediatr Surg Int 2003;19:451-2.  Back to cited text no. 7  [PUBMED]  [FULLTEXT]
8.Smedberg SG, Broome AE, Gullmo A. Ligation of the hernial sac? Surg Clin North Am. 1984;64:299-306.  Back to cited text no. 8  [PUBMED]  
9.Shulman AG, Amid PK, Lichtenstein IL. Ligation of hernial sac. A needless step in adult hernioplasty. Int Surg 1993;78:152-3.  Back to cited text no. 9  [PUBMED]  
10.Gharaibeh KI, Matani YY. To ligate or not to ligate the hernial sac in adults? Saudi Med J 2000;21:1068-70.  Back to cited text no. 10  [PUBMED]  



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Online since 12th February '04
2004 - Journal of Postgraduate Medicine
Official Publication of the Staff Society of the Seth GS Medical College and KEM Hospital, Mumbai, India
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