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Journal of Indian Association of Pediatric Surgeons
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Table of Contents   
CASE REPORT
Year : 2011  |  Volume : 16  |  Issue : 4  |  Page : 165-166
 

Proximal hypospadias with skin-covered shaft of penis and absent urethral plate: An unknown variant and its management


Department of Pediatric Surgery, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir, India

Date of Web Publication31-Oct-2011

Correspondence Address:
Kumar A Rashid
Department of Pediatric Surgery, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, Jammu and Kashmir
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-9261.86884

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   Abstract 

We report a case of proximal hypospadias with an absent urethral plate having intact ventral shaft skin with hooded dorsal prepuce and a good glans groove. Such a variant of hypospadias has not been reported in the literature.


Keywords: Megameatus, penile skin, proximal hypospadias, urethral plate


How to cite this article:
Rashid KA, Bhat NA. Proximal hypospadias with skin-covered shaft of penis and absent urethral plate: An unknown variant and its management. J Indian Assoc Pediatr Surg 2011;16:165-6

How to cite this URL:
Rashid KA, Bhat NA. Proximal hypospadias with skin-covered shaft of penis and absent urethral plate: An unknown variant and its management. J Indian Assoc Pediatr Surg [serial online] 2011 [cited 2019 Nov 16];16:165-6. Available from: http://www.jiaps.com/text.asp?2011/16/4/165/86884



   Introduction Top


Deficient ventral skin between the hypospadiac meatus and the glans is the characteristic feature of all the types of hypospadias except some milder glanular variants and the distal variant called "Megameatus with Intact Prepuce". [1],[2] Complete absence of urethral plate is an unknown feature in hypospadias. A case of proximal hypospadias is reported where normal skin was present on the ventral surface of the penile shaft between the hypospadiac meatus and a grooved glans with no urethral plate. To the best of our knowledge, this is the first report of a hypospadias variant unknown in the English literature. The embryology and management is discussed.


   Case Report Top


A 16-month-old boy presented with absent urethral opening at the tip of the penis and voiding through an opening on the undersurface near the base of the penis. On examination, there was a wide oval urethral opening at the penoscrotal junction lined with healthy pink mucosa. The glans groove was good and ventral prepuce was deficient. The ventral shaft was completely covered with normal skin, with an oblique midline raphe between the meatus and the glans groove [Figure 1]. Bracka's staged repair was done using inner preputial free graft and tubularizing the same after 6 months [Figure 2]. The result of the repair was satisfactory [Figure 3].
Figure 1: Wide hypospadiac meatus, glans groove, hooded prepuce and normal skin with median raphe covering the ventral penile surface with no visible urethral plate

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Figure 2: Graft after 6 months

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Figure 3: Result 3 months after the second stage

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   Discussion Top


Abnormally located ventral opening of the urethral meatus anywhere from the ventral aspect of the glans to the perineum is a constant feature of hypospadias. [1] Abnormal ventral curvature (chordee) and deficient foreskin ventrally with dorsal hood may not be present in all cases. [1],[2] In the megameatus variant and in some glanular forms of hypospadias, ventral glans may partially or completely conceal the glans. [2] In all types of hypospadias, the urethral plate, the remnant of unformed urethra, extends distally from the hypospadiac meatus as a strip of epithelium overlying the connective tissues. [1] In our case, proximally located hypospadiac meatus, glans groove lined with epithelium, deficient foreskin along the ventrum of glans and dorsal preputial hood are characteristic features of a hypospadias. The unique feature in this case is the ventral penile shaft between the hypospadiac meatus and the glans being covered with normal skin, with a well-formed median raphe instead of a urethral plate. Embryologically, the hypothesis of "arrest of development" provides the most plausible explanation for the concomitant occurrence of three typical features of hypospadias, including penile curvature, hypospadiac meatus and deficient foreskin. [3],[4] However, the absence of a urethral plate and completely formed shaft skin, as in our case, finds no answer in any of the hypotheses.

We chose to stage the repair by Bracka's method [5] for the following reasons: (1) the skin was not well supported by dartos on the ventral aspect to provide enough vascularity to the neourethra, (2) incising a skin strip for tubularization from the ventrum would have needed dorsal skin for ventral cover and, hence, was not as good a cosmesis as in Bracka 's repair, which preserves the whole shaft skin for covering the neourethra, (3) the well-formed median raphe, otherwise, had to become part of the urethral tube and (4) tubularized grafted skin is less prone to form diverticulum.

 
   References Top

1.Snodgrass W, Baskin LS, Mitchell ME. Hypospadias. In: Gillenwater JY, Grayhack JT, Howards SS, Michell ME, editors. Adult and Pediatric Urology. Philadelphia: Lippincott Williams and Wilkins; 2002. p. 2510-32.   Back to cited text no. 1
    
2.Duckett JW, Keating MA. Technical challenges of the megameatus intact prepuce hypospadias variant: The pyramid procedure. J Urol 1989;141:1407-9.   Back to cited text no. 2
[PUBMED]    
3.Mettauer JP. Practical observations on those malformations of the male urethra and penis, termed hypospadias and epispadias, with an anomalous case. Am J Med Sci 1842;4:43.   Back to cited text no. 3
    
4.Van Hook W. A new operation for hypospadias. Ann Surg 1896;23:378-93.   Back to cited text no. 4
[PUBMED]  [FULLTEXT]  
5.Bracka A. A versatile two-stage hypospadias repair. Br J Plast Surg 1995;48:345-52.  Back to cited text no. 5
[PUBMED]    


    Figures

  [Figure 1], [Figure 2], [Figure 3]



 

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    Abstract
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