Journal of Equine Veterinary Science
Volume 27, Issue 10 , Pages 450-453 , October 2007

Bilateral Leydig Cell Tumor in Stallion

  • C.M. Melo, MS

      Affiliations

    • Department of Animal Reproduction and Veterinary Radiology—UNESP/São Paulo State University, São Paulo, Brazil
    • Corresponding Author InformationReprint requests: C. M. Melo, FMVZ—Department of Animal Reproduction and Veterinary Radiology, Distrito de Rubião Júnior s/n°, 18618-000, Botucatu, SP, Brazil.
    • ,
  • F.O. Papa, PhD

      Affiliations

    • Department of Animal Reproduction and Veterinary Radiology—UNESP/São Paulo State University, São Paulo, Brazil
    • ,
  • N.C. Prestes, PhD

      Affiliations

    • Department of Animal Reproduction and Veterinary Radiology—UNESP/São Paulo State University, São Paulo, Brazil
    • ,
  • M.A. Alvarenga, PhD

      Affiliations

    • Department of Animal Reproduction and Veterinary Radiology—UNESP/São Paulo State University, São Paulo, Brazil
    • ,
  • R. Laufer-Amorim, PhD

      Affiliations

    • Department of Veterinary Clinic—UNESP/São Paulo State University, São Paulo, Brazil

References 

  1. Schumacher J, Varner DD. Neoplasia of the stallion's reproductive tract. In: Equine reproduction. Philadelphia: Lea & Febiger; 1992;p. 871–877
  2. Schumacher J. Testicular neoplasia of horse: an underreported condition. Equine Vet J. 1999;31:270–272
  3. Brinsko SP. Neoplasia of the male reproductive tract. Vet Clin North Am: Equine Pract. 1998;14:517–533
  4. McEntee K. Scrotum, spermatic cord, and testis: proliferative lesions. In: Reproductive pathology of domestic animals. New York: Academic Press; 1990;
  5. Leme DP, Papa FO. Cytological identification and quantification of testicular cell types using fine needle aspiration in horses. Equine Vet J. 2000;32:444–446
  6. Nachtsheim DA, Scheible FW, Gosnic B. Ultrasonography of testis tumors. J Urol. 1983;129:978–981
  7. Lopate C, LeBlanc M, Knottenbelt D. The stallion. In: Equine stud farm medicine and surgery. London: Saunders; 2003;p. 43–112
  8. Pozor MA. How to evaluate a stallion's scrotum using ultrasound. In: Proceedings 51st Annual Convention of the American Association of Equine Practitioners; Ithaca: International Veterinary Information Service (www.ivis.org), 2005; Document No. P2649.1205.
  9. Gelberg HB, McEntee K. Equine testicular interstitial cell tumors. Vet Pathol. 1987;24:231–234
  10. Papatsoris AG, Triantafyllidis A, Gekas A, Karamouzis MV, Rosenbaum T. Leydig cell tumor of the testis: new cases and review of the current literature. Tumori. 2004;99:422–423
  11. Eisenhauer KM, McCue PM, Nayden DK, Osawa Y, Roser JF. Localization of aromatase in equine Leydig cells. Domest Anim Endocrinol. 1995;11:291–298
  12. Juhász J, Nagy P, Kulcsar M, Huszenicza GY. Methods for semen and endocrinological evaluation of the stallion: a review. Acta Vet Brno. 2000;69:247–259
  13. Ladds PW. The male genital system. In: Pathology of domestic animals. San Diego: Academic Press, Inc.; 1993;p. 471–531
  14. Baker JR, Leyland A. Histologic survey of tumours of the horse, with particular reference to those of the skin. Vet Rec. 1975;96:419–422
  15. Cothcin E, Baker-Smith J. Tumours in horses encountered in abattoir survey. Vet Rec. 1975;97:339
  16. Nielsen SW, Kennedy PC. Tumours in the genital system. In: Tumours in domestic animals. Berkeley, CA: University of California Press; 1990;p. 479–517
  17. Sundberg JP, Burnstein T, Page EH, Kirkha WW, Robinson FR. Neoplasm of equidae. J Am Vet Med Assoc. 1977;170:150–152
  18. May KA, Moll HD, Duncan RB, Pleasant RS, Purswell BJ. Unilateral Leydig cell tumour resulting in acute colic and scrotal swelling in a stallion with descendent testes. Equine Vet J. 1999;31:343–345
  19. Hay WP, Baskett A, Gregory CR. Testicular interstitial cell tumour and aplasia of the head of epididymis in a cryptorchid stallion. Equine Vet Educ. 1987;9:240–241

 Refereed

PII: S0737-0806(07)00296-1

doi: 10.1016/j.jevs.2007.08.002

Journal of Equine Veterinary Science
Volume 27, Issue 10 , Pages 450-453 , October 2007

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