From the case:
Goldman classification of urethral injuries (illustrations)
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type I: stretching of the posterior urethra due to disruption of puboprostatic ligaments, despite the urethra being intact.
type II: urethral injury above the urogenital diaphragm.
type III: injury to the membranous urethra, extending into the proximal bulbous urethra.
type IV: bladder base injury involving bladder neck extending into the proximal urethra.
type IVa: bladder base injury without contacting bladder neck (which cannot be separated from type IV radiologically).
type V: anterior urethral injury.
Case Discussion
See article: Goldman classification of urethral injuries