Page 211 - Manual of Equine Field Surgery
P. 211
Penile Amputation 207
Internal
pudenda! v.
External .-!,., Con eti- with
pudenda! v. deep femoral v.
A
Glans penis
.
Body of penis penis
c--~~~~~--~========~~
~"ffh,~--------~3~------7€;:~~
·~~~r--------~4~------t
+-------5-----4 c
B ....-------6-----~~
. ...._ _
~~--- Dorsal process of glans penis--~
5
6
D
-q':t_f?a-v?~:/:~
Figure 37-2 A, Anatomy of the penis with transverse sections that extend through the B, glans penis, C, cranial
penis, and D, caudal penis. 1, Retractor penis muscle; 2, bulbospongiosus muscle; 3, urethra; 4, corpus spongiosum
penis; 5, albuginea; 6, corpus cavernosurn penis.
the ventral aspect of the penis proximal to the the lumen of the urethra (Figure 37-5). The sides
intended site of amputation (Figures 3 7 -3 and 3 7 - of the urethra are sutured to the skin edges
4). The base of the triangle is distal and about 3 with a simple interrupted pattern using No. 2-0
cm wide. The sides of the triangle are 4 to 5 cm absorbable monofilament suture material (Figure
long. This incision is continued through the sub- 3 7-6). When the amputation is performed in the
cutaneous tissue. The skin and underlying tissues more proximal portions of the penis, it may be
are discarded. helpful to close the subcutaneous tissue to the
A longitudinal incision is made the length of tissue just deep to the urethral mucosa before
the triangle between the retractor penis muscles, closure of the mucosal epithelium to the skin.
through the corpus spongiosum penis, and into Closure of this layer decreases tension on the ure-