Difference between revisions of "Male External Genitalia - Pathology"
Jump to navigation
Jump to search
(Created page with " ===Pathology of external genitalia=== *CONGENITAL ANOMALIES OF PENIS #Absence of penis:usually seen only as part of a major whole-body malformation. #Micropenis:seen in bulls (...") |
Siobhanbrade (talk | contribs) m (edited format) |
||
| Line 1: | Line 1: | ||
| + | ==Pathology of external genitalia== | ||
| − | === | + | ===Congenital abnormalities of the penis=== |
| + | * '''Absence of penis''':usually seen only as part of a major whole-body malformation. | ||
| + | * '''Micropenis''':seen in bulls (malformation of sigmoid flexure). Also some dogs. | ||
| + | * '''Persistent penile frenulum''':bulls and dogs. Associated with cork screw or deviation of penis. | ||
| − | * | + | ===Congenital abnormalities of the prepuce=== |
| − | + | * '''Absence or agenesis''':may be associated with pseudo-hermaphroditism. | |
| − | + | * '''Absence of preputial orifice''':seen in pups. | |
| − | + | * '''Phimosis''':small preputial orifice, penis cannot be extruded from prepuce. | |
| + | * '''[[Paraphimosis]]''': prepuce can be drawn behind the glans but cannot return after erection). | ||
| + | * '''Hypospadias/epispadius''':failure of anatomical closure of prepuce and/or urethra. | ||
| + | ===Inflammation=== | ||
| + | * '''Posthitis''':inflammation of prepuce | ||
| + | * '''Balanitis''':Inflammation of glans penis | ||
| + | * '''Balanoposthitis''':usual for both to be involved | ||
| − | + | Dogs:suppuration and/or ulceration due to E. coli, Proteus or 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=== |
| − | + | * '''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. | |
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. | |
| − | + | * '''Transmissible venereal tumour''':seen in dogs and bitches. | |
| − | + | * '''Sarcoids''':equine prepuce | |
| Line 40: | Line 36: | ||
[[Category:To Do - Reproductive]] | [[Category:To Do - Reproductive]] | ||
[[Category:Male Reproductive System - Pathology]] | [[Category:Male Reproductive System - Pathology]] | ||
| + | [[Category: To Do - Siobhan Brade]] | ||
Revision as of 20:00, 5 September 2011
Pathology of external genitalia
Congenital abnormalities of the penis
- Absence of penis:usually seen only as part of a major whole-body malformation.
- Micropenis:seen in bulls (malformation of sigmoid flexure). Also some dogs.
- Persistent penile frenulum:bulls and dogs. Associated with cork screw or deviation of penis.
Congenital abnormalities of the prepuce
- Absence or agenesis:may be associated with pseudo-hermaphroditism.
- Absence of preputial orifice:seen in pups.
- Phimosis:small preputial orifice, penis cannot be extruded from prepuce.
- Paraphimosis: prepuce can be drawn behind the glans but cannot return after erection).
- Hypospadias/epispadius:failure of anatomical closure of prepuce and/or urethra.
Inflammation
- Posthitis:inflammation of prepuce
- Balanitis:Inflammation of glans penis
- Balanoposthitis:usual for both to be involved
Dogs:suppuration and/or ulceration due to E. coli, Proteus or Haemophilus spp.
Bulls:IBR virus causes ulceration which may become secondarily infected.
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
- Transmissible fibropapilloma:seen in bulls, bovine papillomavirus type 2.
Multiple luxuriant growths, painful, easily traumatised. Transmissible to females. Spontaneous regression.
- Squamous cell carcinoma:seen in geldings.
Less common in bulls and dogs, low-grade malignancy may ulcerate and haemorrhage.
- Melanoma:occurs on prepuce and scrotum of grey horses. Often benign.
- Transmissible venereal tumour:seen in dogs and bitches.
- Sarcoids:equine prepuce
Information by kind permission of Professor R W Else