Resection of a ceruminous adenocarcinoma in a horse by a modified vertical ear canal ablation

Skärlina, None Elin M.; Tvedten, Harold; Roberts, Veronica; Gorvy, Dylan A.

doi:10.1111/eve.12421

Cited by 4 publications

(6 citation statements)

References 15 publications

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“…Indications for reconstructive surgery of the ear in horses are rare but include management of neoplastic lesions and repair of lacerations (Massoni et al 2005;Sk€ arlina et al 2015). In comparison, numerous procedures of the ear in dogs and cats are well established (Lanz and Wood 2004) due to the higher prevalence of ear infections and wounds in these species.…”

Section: Introductionmentioning

confidence: 99%

Surgical repair of a full‐thickness ear pinna defect in a horse

Cullen

Ehrle

Willson

et al. 2021

Equine Veterinary Education

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A 5-year-old gelding used for showing was presented for surgical repair of a full-thickness 15 mm diameter defect in the right pinna, which had occurred as a delayed complication following laser excision of a sarcoid. The defect had resulted in progressive deformity of the ear, and the horse was considered at risk of further injury if the defect became entrapped on a fixed object. Two artificial dermis meshes were inserted to encourage the formation of granulation tissue across the defect, and a commercially available skin expander was implanted adjacent to the site. Eighteen days later, a second surgery was performed to remove the skin expander and to mobilise a local rotational skin flap to close the defect. Both surgeries were performed under standing sedation and local anaesthesia. The site healed well, avoiding further potential trauma to the ear and deformity due to tissue contracture at the site, although some deformation of the lateral aspect of the cartilage remained.

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Section: Introductionmentioning

confidence: 99%

Surgical repair of a full‐thickness ear pinna defect in a horse

Cullen

Ehrle

Willson

et al. 2021

Equine Veterinary Education

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“…Of the papers from the UK and Australia, 55% (6/11) and 20% (1/5), respectively, used doses of PPG below the most commonly reported dose of 20–25,000 IU/kg. Only one paper used a dosing interval less than 12 h …”

Section: Resultsmentioning

confidence: 99%

Antimicrobial dosing for common equine drugs: a content review and practical advice for veterinarians in Australia

et al. 2019

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Background Appropriate dosing with antimicrobial agents is critical for effective treatment and to prevent the development of antimicrobial resistance. Methods A review was undertaken of equine journal articles (Equine Veterinary Journal, Equine Veterinary Education, Australian Veterinary Journal, Australian Equine Veterinarian, Journal of Veterinary Internal Medicine and Journal of Equine Veterinary Science) between January 2015 and August 2018. Those with dosing regimens for procaine penicillin G, gentamicin or trimethoprim‐sulfonamide in adult horses were examined and evaluated. Pharmacokinetics and ‐dynamics of these drugs were also reviewed. Results & Conclusion The most frequently reported doses for penicillin, gentamicin and trimethoprim‐sulfonamide were 20–25,000 IU/kg, 6.6 mg/kg and 30 mg/kg, respectively. Veterinarians treating equine patients in Australia should be aware of the current recommended doses and inter‐dosing intervals to ensure efficacy in therapy and to preserve the usefulness of these antimicrobials for the future.

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“…Development of pathologic masses on the outer or inner surface of the external pinnae is uncommon. Previously reported pathologic masses include papilloma, sarcoid, melanoma, schwannoma peripheral nerve sheath tumors, adenocarcinoma, squamous cell carcinoma, inflammatory polyps, and granuloma masses secondary to auricular chondritis (2)(3)(4)(5)(6)(7)(8)(9).…”

Section: Introductionmentioning

confidence: 99%

“…Various surgical techniques to removal pinnae-based pathological masses are available, and include direct sharp excision, sharp excision following lateral wall resection, modified vertical ear canal ablation, carbon dioxide laser excision, and cryotherapy (7)(8)(9)(10). Re-occurrence following sharp debridement or carbon dioxide laser removal can occur.…”

Section: Introductionmentioning

confidence: 99%

En-bloc Auriculectomy for Removal of a Large Pinna-Based Ear Mass in a Horse

et al. 2020

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A 15-year-old Pony of America (POA) gelding presented for evaluation of a large mass present on the right external pinna. Based on gross appearance, the right ear mass was suspected to be neoplastic. The most likely differential diagnosis was that of a fibroblastic sarcoid. Complete auriculectomy via use of a constricting latex-tourniquet performed under multimodal analgesia was proposed as an option to achieve complete resolution of mass growth and improve patient comfort. Benefits of latex tourniquet constriction included immediate lack of bleeding associated with amputation, gradual ischemic necrosis and sloughing of tissue distant to the site of constriction, and cost-effective application. The external pinna sloughed 3 weeks following application of the constricting latex tourniquet. Complete healing was achieved within 3 months from the time of tourniquet application. The middle ear canal sealed closed as a result of auriculectomy, with no observed long-term discomfort or morbidity aside from reduction in hearing. This is the first report of total external ear amputation in the horse. Complete auriculectomy via use of a constricting latex tourniquet is a feasible method for en-bloc removal of large, complicated ear masses.

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Resection of a ceruminous adenocarcinoma in a horse by a modified vertical ear canal ablation

Cited by 4 publications

References 15 publications

Surgical repair of a full‐thickness ear pinna defect in a horse

Surgical repair of a full‐thickness ear pinna defect in a horse

Antimicrobial dosing for common equine drugs: a content review and practical advice for veterinarians in Australia

En-bloc Auriculectomy for Removal of a Large Pinna-Based Ear Mass in a Horse

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