The diseases of the genital organs of domestic animals,

Williams, Walter Long; Williams, Walter W.

doi:10.5962/bhl.title.54654

Cited by 18 publications

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“…Case 2 had undergone a previous reefing operation and partial resection in June 2010, followed by laser surgery in November 2010, although extensive lesions continued to recur and there remained a purulent sheath discharge. Case 8 had undergone a previous reefing operation in May 2000, followed by partial resection using the Williams' variation of the Boltz technique in July 2001 (Williams ), but developed urethral stenosis and extensive adhesions, which, despite manual breakdown under general anaesthesia, resulted in severe dysuria and bladder distension.…”

Section: Resultsmentioning

confidence: 99%

A modified surgical technique for penile amputation and preputial ablation in the horse

Wylie

Payne

2015

Equine Veterinary Education

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Summary The aim of this study was to describe a modified surgical technique for treatment of severe penile pathology, and the long‐term outcome. The surgery consisted of subischial urethrostomy and penile amputation with preputial ablation, with the horse in dorsal recumbency. A redundant section of the penis root and body was left in situ, rather than being retroflexed as described elsewhere. Follow‐up was obtained using a structured owner telephone questionnaire. The 15 cases included: 11 squamous cell carcinomas (73.3%); 2 melanomas; one chronic preputial discharge with no associated neoplasia; and one paraphimosis following routine sedation. Length of survival ranged from 0.9 to 74.6 months (median 25.1 months). From the 14 horses with follow‐up, 9 survived >18 months (64.3%) [Correction added on 17 August 2015, after first online publication: The percentage in the preceding sentence was wrong and has been corrected to '64.3%' from '69.2%']. Four euthanasias were due to presenting or post operative complications, while 2 were unrelated to the procedure. This procedure presents a simplified, viable option for treatment of extensive mixed penile lesions; reducing surgical complexity and time in comparison to previously described techniques requiring retroversion.

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Section: Resultsmentioning

confidence: 99%

A modified surgical technique for penile amputation and preputial ablation in the horse

Wylie

Payne

2015

Equine Veterinary Education

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“…Williams (1921) by means of vaginal smears in 21 .7% of 92 pregnant cows studied. Williams (1921) by means of vaginal smears in 21 .7% of 92 pregnant cows studied.…”

Section: Gestationmentioning

confidence: 99%

Sequential Changes in Plasma Progesterone in the Cow During the Estrous Cycle, Pregnancy, at Parturition, and Post-Partum

Robertson¹

1972

Can. J. Anim. Sci.

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The progesterone concentration in peripheral luteal phase of the estrous cycle. Between plasma has been measured sequentially in 90 and 150 days there was an indication of individuai cows during the estrous cycle, a decline to a relatively low plasma prgC_e!gestation, at partnrition, and post-parium. terone conceltration followed b1' a variable During the estrous cycle the concentration rise. Prior io part',rrition, there was a gradual was lowest just before, cl.urin.g, and just after decline over a period of 3-5-70 days reaching estrus when the level (0'1-C'4 ng/ml) was a level of (2'0 ng'/ml the day before parturisimilar io that founcl in three ovaiiectornized tion. Following pariuriticn, the level remained cows. The concentration commenced to rise at (0.5 ng/.ml until the first sign of the on the 4th-6th day (clay of esrrus -1st day), resumption of cyclic activity.. The time for reached a peak of 3-6 ngzrnl on the 1lihthis to occlrr was very variable (20->60 L3th day, and dropped rapldty cver a24-48clays). Although not conclusive, the evidence hr period to a asal valie 24-72 hr before favors the view that for estrous behavior to the next estrus. In eariy pregnancy, the occur, estrus must be preceded by luteal plasma progesterone concentration was similar activity. The d,ischarge of muctts cen occllr to the maximum ievels found during the without previous luteai activity. RESUME La concentration de progest6rone dans le la phase cie lut6inisation dn cycle oestral. plasma p6riph6riqr.re a 6i6 rnesur6e s6cluentiel-Entie le 90" et le 1-50" iour, on a observ6 uriie lement chez des vaches en oestrus. engestation, baisse i un niveau lelativement bas de la ir la parturition, et aprds ia parturition. Au tenelrr en progestdrone clu plasma, . su.ivie cours-du cycle oestral la concentralion 6tait d'une rem.ont6e, variable. Avant la mise-bas, minimale juste avant, pendant, et iuste aprds on a observ6 une diminution graduelle, de-la I'oestrus, oir elle 6tait ciu mOme ordre (0.1-0.4 concentration au cours d'une p6riocle de 35nglml) que chez trois vaches ayani subi 70 jours, qni s'est ditablie i (2.0. ngrml la I'ablation-des ovaires. La concentration a veille de la mise-bas. Aprds la mise-bas, la commenc6 )r, augmenter errtre le 4" et le 6" teneur s'est rnaintenue ir <0.,5 ng/rni. jusclu'ir jour (le 1"" jour-6tant celui de l'oestrusi, at-I'apparition du prernier signe du ddbui. du ieignant un -maximum de 3-6 ng/ml entle cycie oestral. L'6poque dtr premier symDt6rne le 11" et le 13'jour, puis d6croissant rapiCea 6t6 tlds variable i20->60 jours). Szrns €rre ment ztu couls cl'ine pdriode de 24-28 hr pour concluairtes, les donn6es ccnnlres confirr'.rent revenir h la concentration de base 24-'12 hr I'hyoothEse selon laquelle l'oestrus doit 6t:e avant I'oestrus suivant. Au d6br-rt de ia gesta-pr6c6d6 d'une pbase de lut6inisation poui tion, la concentration cie progest6rone dans qu'il y ait rut. ll peut I' avoir 6couiement de le plasma 6tait dr-r m0me ordre que les conmttcus sans lut6inisation prealable' centrirtions nraximales |enco...

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“…It can be performed in combination with a segmental posthetomy if required. Various techniques of phallectomy have been described (Williams, 1943; Scott, 1976). Creation of a triangular rather than linear urethrostomy, with the base of the triangle positioned distally, reduces the risk of urethral stricture (Williams, 1943; Schumacher, 2006) ().…”

Section: Phallectomymentioning

confidence: 99%

Surgical treatment of penile and preputial neoplasia in the horse

Suthers

2013

Livestock

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Between 6 and 10% of all neoplasms in the horse are reported to involve the penis or the prepuce. Penile or preputial neoplasia in the horse can cause discomfort, and in advanced cases can result in systemic disease. Therefore, it is important that the general practitioner is able to advise an owner on the most appropriate treatment for their horse and on any potential complications. This article outlines the approach to a case with penile or preputial neoplasia and describes the surgical treatment options.

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The diseases of the genital organs of domestic animals,

Cited by 18 publications

References 0 publications

A modified surgical technique for penile amputation and preputial ablation in the horse

A modified surgical technique for penile amputation and preputial ablation in the horse

Sequential Changes in Plasma Progesterone in the Cow During the Estrous Cycle, Pregnancy, at Parturition, and Post-Partum

Surgical treatment of penile and preputial neoplasia in the horse

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