Evidence map›Paper›PMID 42558222›Full record

ArticleFrontiers in veterinary science2026

Penile and preputial pythiosis in Saudi Arabian horses: clinicopathological features and surgical outcomes.

El-Sayed El-Shafaey, Mohamed Salem, Walla Awadin, Esam Mosbah, Mohamed Abdo Rizk, Ahmed M A Meligy, Saad Shousha, Ahmed Aljazzar, Mahmoud G El Sebaei

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Article in Frontiers in veterinary science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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2 · The registry

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

9 authors.

El-Sayed El-ShafaeyDepartment of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
Mohamed SalemDepartment of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
Walla AwadinDepartment of Pathology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
Esam MosbahDepartment of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt.
Mohamed Abdo RizkDepartment of Clinical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa, Saudi Arabia.
Ahmed M A MeligyDepartment of Clinical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa, Saudi Arabia.
Saad ShoushaDepartment of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa, Saudi Arabia.
Ahmed AljazzarDepartment of Pathology, College of Veterinary Medicine, King Faisal University, Al Ahsa, Saudi Arabia.
Mahmoud G El SebaeiDepartment of Biomedical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa, Saudi Arabia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Pythiosis, caused by Methods: A retrospective study was conducted on 123 horses presented with cutaneous ulcerative granulomatous lesions to the Horse Hospital, Salam Veterinary Group, between October 2022 and September 2025. Of these, 17 male horses with confirmed penile or preputial involvement were included. Clinical data, lesion characteristics, and outcomes were analyzed. Diagnosis was confirmed by histopathology, immunohistochemistry, and mycological culture, with ultrastructural identification by scanning electron microscopy. All cases were treated by complete surgical excision. Results: The mean age of affected horses was 6.5 ± 1.8 years, with the majority of cases occurring in gray-colored horses (58.82%). Lesions were predominantly located on the prepuce (52.94%), followed by the urethral orifice (29.41%), glans penis (11.77%), and penile body (5.88). Morphologically, lesions were mainly elliptical (58.8%) or circular (35.3%), with a median surface area of 25.0 cm Conclusion: Early accurate diagnosis and complete excision are essential to minimize recurrence, especially in extensive preputial lesions. This study provides one of the most focused characterizations of genital pythiosis in horses and highlights key prognostic factors relevant to clinical management.

Indexed as

clinicopathologicalequine pythiosispenisprepucePythium insidiosumsurgical

Identifiers

PMID42558222
PMCPMC13437343

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