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Case ReportOpen Access

Partial Segmental Testicular Infarction in a Mature Rhesus Macaque (Macaca mulatta) Resembling a Human Condition

Eduardo Tena-Betancourt1,2*, Braulio Hernandez-Godinez3-6, Salvador A Solis-Chavez3,5,6, Yessica Heras-Romero2 , Alberto Aranda-Fraustro7 and Alejandra Ibáñez-Contreras3,5,6

DOI: 10.26717/BJSTR.2017.01.000315

  • Author Information Open or Close
    • 1Coordinator of Animal Facility Services and Experimental Surgery, Universidad La Salle AC, Mexico
    • 2Department of Ethology, Ciudad Universitaria, Mexico
    • 3Laboratorio de Primatología, Applied Research In Experimental Biomedicine, Mexico
    • 4Centro Nacional de Investigación en Instrumentación e Imagenología Médica (CI3M), Universidad Autónoma Metropolitana, Mexico
    • 5Unidad de Experimentación Animal, Biología Integral para Vertebrados, Mexico
    • 6Unidad de Primates no Humanos, Centro de Investigación, Mexico
    • 7Departamento de Anatomía Patológica, Instituto Nacional de Cardiología, Mexico
    • Corresponding author: Eduardo Tena-Betancourt, Coordinator, Animal Facility Services and Experimental Surgery, Facultad Mexicana de Medicina, Universidad La Salle A.C. CDMX 14000, Mexico

Received: August 22, 2017;   Published: August 30, 2017

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This paper describes a case of segmental testicular infarction (STI), a rarely described human condition resulting from partial ischemia of the testis and often resulting from complex, organic, traumatic or metabolic causes, although an idiopathic etiology has been also considered. Being an important human occurrence, STI has not been reported in non-human primates (NHP) and this work is aimed to characterize a fortuitous case of STI in a 20-year-old male rhesus macaque, demonstrated by clinical findings, ultrasonography and histopathology studies. Clinically, the subject presented a significant scrotal wall thickening and in duration of the right testis palpated at its lower pole, while ultrasonography revealed a hypoechoic irregular mass of poorly defined margins. Upon excising this organ, the histological findings demonstrated a well-defined hemorrhagic nodule measuring 1 cm in diameter consistent with segmental testicular infarction, confirmed by further detailed observations disclosing arteriolar wall thickening and a double lumen, indicating post-infarctrecanalization considered an analogous condition seen in human stroke.

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