Changes

* '''Phimosis''':small preputial orifice, penis cannot be extruded from prepuce.

* '''Phimosis''':small preputial orifice, penis cannot be extruded from prepuce.

* '''[[Paraphimosis]]''': prepuce can be drawn behind the glans but cannot return after erection).

* '''[[Paraphimosis]]''': prepuce can be drawn behind the glans but cannot return after erection).

* '''Hypospadias/epispadius''':failure of anatomical closure of prepuce and/or urethra.

* '''[[Urethra - Developmental Pathology|Hypospadias/epispadius]]''':failure of anatomical closure of prepuce and/or urethra.

===Inflammation===

===Inflammation===

* '''Posthitis''':inflammation of prepuce

* '''Posthitis''':inflammation of prepuce

* '''Balanitis''':Inflammation of glans penis

* '''Balanitis''':Inflammation of glans penis

* '''Balanoposthitis''':usual for both to be involved

* '''[[Ulcerative Balanoposthitis|Balanoposthitis]]''':usual for both to be involved

Dogs:suppuration and/or ulceration due to E. coli, Proteus or Haemophilus spp.

Dogs:suppuration and/or ulceration due to [[Escherichia coli|E. coli]], [[Proteus|Proteus]] or [[Haemophilus species|Haemophilus spp]].

<br>Bulls:IBR virus causes ulceration which may become secondarily infected.

<br>Bulls:IBR virus causes ulceration which may become secondarily infected.

<br>Rams and wethers:occlusion of the urethral appendage as a result of calculi causing a necrotising lesion of the glans ± urethral rupture and subcutaneous leakage of urine.

<br>Rams and wethers:occlusion of the urethral appendage as a result of calculi causing a necrotising lesion of the glans ± urethral rupture and subcutaneous leakage of urine.

===Neoplasia===

===Neoplasia===

* '''Transmissible fibropapilloma''':seen in bulls, bovine papillomavirus type 2.

* '''[[Bovine Papillomaviruses|Transmissible fibropapilloma]]''':seen in bulls, bovine papillomavirus type 2.

Multiple luxuriant growths, painful, easily traumatised.  Transmissible to females. Spontaneous regression.

Multiple luxuriant growths, painful, easily traumatised.  Transmissible to females. Spontaneous regression.

* '''Squamous cell carcinoma''':seen in geldings.

* '''[[Squamous Cell Carcinoma|Squamous cell carcinoma]]''':seen in geldings.

Less common in bulls and dogs, low-grade malignancy may ulcerate and haemorrhage.

Less common in bulls and dogs, low-grade malignancy may ulcerate and haemorrhage.

* '''Melanoma''':occurs on prepuce and scrotum of grey horses.  Often benign.

* '''[[Melanoma]]''':occurs on prepuce and scrotum of grey horses.  Often benign.

* '''Transmissible venereal tumour''':seen in dogs and bitches.

* '''Transmissible venereal tumour''':seen in dogs and bitches.

* '''Sarcoids''':equine prepuce

* '''[[Sarcoids]]''':equine prepuce

[[Category:Male Reproductive System - Pathology]]

[[Category:Male Reproductive System - Pathology]]

[[Category: To Do - Siobhan Brade]]

[[Category: To Do - Siobhan Brade]]