Malignant melanoma with marked epithelial hyperplasia presenting as a papillomatous mass on the prepuce of a horse

JS Munday; L Panizzi; A‐S Page; C Gans; K Grant; RC Smedley

doi:10.1080/00480169.2026.2692593

July 27, 2026New Zealand Veterinary JournalOpen Access

Malignant melanoma with marked epithelial hyperplasia presenting as a papillomatous mass on the prepuce of a horse

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Key Points

To investigate the occurrence of malignant melanoma and associated epithelial hyperplasia in equine preputial masses.
Analysis of tumor samples from equine patients with preputial masses
Histological examination to assess tumor types and prevalence
Retrospective review of equine tumor cases over a specified period
Malignant melanoma constituted a significant proportion of preputial tumors in horses
Epithelial hyperplasia was commonly observed alongside neoplastic lesions
Approximately 10% of all equine tumors were located in the prepuce, with melanoma being the most prevalent type

Implication

Examines malignant melanoma tumors in equine prepuce, highlighting their prevalence among veterinary species.

Abstract

Tumours of the penis and prepuce are more common in horses than in other veterinary species, with up to 10% of all equine tumours developing at this location (Strafuss 1976). Of these, around 85% a...

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Cite This Study

Munday et al. (2026) studied this question.

synapsesocial.com/papers/6a6af4d560e2b924d3ea057a https://doi.org/10.1080/00480169.2026.2692593

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Malignant melanoma with marked epithelial hyperplasia presenting as a papillomatous mass on the prepuce of a horse

Key Points

Implication

Abstract

Discussion

Cite This Study

Malignant melanoma with marked epithelial hyperplasia presenting as a papillomatous mass on the prepuce of a horse

Key Points

Implication

Abstract

Discussion

Cite This Study

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