Clinical diagnosis of the cryptorchid stallion

Clinical Techniques in Equine Practice

Volumn 4, Issue 3, 2005, Pages 250-256

  Lu, Kristina G ^a,b  

^a UNIVERSITY OF PENNSYLVANIA   (United States)

^b HAGYARD EQUINE MEDICAL INSTITUTE   (United States)

Author keywords

Cryptorchid; Estrone sulfate; Human chorionic gonadotrophin; Testosterone; Ultrasonography

Indexed keywords

EQUIDAE; EQUUS CABALLUS;

EID: 27644553772     PISSN: 15347516     EISSN: None     Source Type: Journal    
DOI: 10.1053/j.ctep.2005.07.006     Document Type: Article

References (43)

1. W.C. Bergin, H.T. Gier, G.B. Marion A developmental concept of equine cryptorchidism Biol Reprod 3 1970 82 92
2. C. Heyns, H. Human, C. Werely The glycosaminoglycans of the gubernaculum during testicular descent in the fetus J Urol 143 1990 612 617
3. J.M. Hutson, S. Hasthorpe, C.F. Heyns Anatomical and functional aspects of testicular descent and cryptorchidism Endocr Rev 18 1997 259 280
4. J.E. Bartlett, S.M. Lee, Y. Mishina Gubernacular development in Mullerian inhibiting substance receptor-deficient mice BJU Int 89 2002 113 118
5. R. Ivell, S. Hartung The molecular basis of cryptorchidism Mol Hum Reprod 9 2003 175 181
6. T. Klonisch, K. Steger, A. Kehlen INSL3 ligand-receptor system in the equine testis Biol Reprod 68 2003 1975 1981
7. W.K. Han, J.H. Kim, C.H. Hong Structural evidence against hormonal therapy for cryptorchid testis abnormal gubernacular attachment J Urol 171 2004 2427 2429
8. H.M. Hayes Epidemiological features of 5009 cases of equine cryptorchism Equine Vet J 18 1986 467 471
9. W. Jones, R. Bogart (ed 1) Genetics of the Horse vol 1 1971 Caballus Publishers East Lansing, MI
10. J.E. Cox Developmental abnormalities of the male reproductive tract A.O. McKinnon J.L. Voss (ed 1) Equine Reproduction vol 1 1993 Williams and Wilkins Philadelphia, PA 895 904
11. C. Wolf, M. Maizels, P. Furness The undescended testicle Comp Ther 27 2001 11 17
12. R.L. Stickle, J.F. Fessler Retrospective study of 350 cases of equine cryptorchidism J Am Vet Med Assoc 172 1978 343 346
13. J.E. Cox, G.B. Edwards, P.A. Neal An analysis of 500 cases of equine cryptorchidism Equine Vet J 11 1979 113 116
14. C. Moore Properties of the gonads as controllers of somatic and psychical characteristics. VI. Testicular reactions in experimental cryptorchidism Am J Anat 34 1924 269 316
15. W. Nelson Mammalian spermatogenesis effect of experimental cryptorchidism in the rat and non-descent of the testis in man Recent Prog Horm Res 6 1951 29 56
16. J.E. Cox Testosterone concentrations in normal and cryptorchid horses. Response of human chorionic gonadotropin Anim Reprod Sci 18 1989 43 50
17. V.K. Ganjam, R.M. Kenney Androgens and oestrogens in normal and cryptorchid stallions J Reprod Fertil Suppl 23 1975 67 73
18. P. Ryan, R. Frendship, J. Raeside Impaired estrogen production by leydig cells of the naturally retained testis in unilaterally cryptorchid boars and stallions J Androl 7 1986 100 104
19. S.M. Pratt, B.A. Stacy, M.B. Whitcomb Malignant Sertoli cell tumor in the retained abdominal testis of a unilaterally cryptorchid horse J Am Vet Med Assoc 222 2003 486 490
20. J.A. Stick Teratoma and cyst formation of the equine cryptorchid testicle J Am Vet Med Assoc 176 1980 211 214
21. A.H. Parks, E.A. Scott, J.E. Cox Monorchidism in the horse Equine Vet J 21 1989 215 217
22. E.M. Santschi, J.S. Juzwiak, D.E. Slone Monorchidism in three colts J Am Vet Med Assoc 194 1989 265 266
23. J.E. Cox, J.H. Williams, P.H. Rowe Testosterone in normal, cryptorchid and castrated male horses Equine Vet J 5 1973 85 90
24. C. Crowe, R. Gardner, J. Humburg Plasma testosterone and behavioral characteristics in geldings with intact epididymides J Equine Med Surg 1 1977 387 390
25. S.W. Line, B.L. Hart, L. Sanders Effect of prepubertal versus postpubertal castration on sexual and aggressive behavior in male horses J Am Vet Med Assoc 186 1985 249 251
26. V.L. Voith Effects of castration on mating behavior Mod Vet Pract 60 1979 1040 1041
27. J. O'Connor Rectal examination of the cryptorchid horse Irish Vet J 25 1971 129 131
28. O. Adams An improved method of diagnosis and castration of cryptorchid horses J Am Vet Med Assoc 145 1964 439 446
29. H.W. Jann, J.R. Rains Diagnostic ultrasonography for evaluation of cryptorchidism in horses J Am Vet Med Assoc 196 1990 297 300
30. C. Irvine, S. Alexander Effect of sexual arousal on gonadotrophin- releasing hormone, luteinizing hormone and follicle-stimulating hormone secretion in the stallion J Reprod Fertil Suppl 44 1991 135 143
31. C. Irvine, S. Alexander Secretion rates and short-term patterns of gonadotrophin-releasing hormone, FSH and LH in the normal stallion in the breeding season J Endocrinol 117 1988 197 206
32. J.F. Roser Endocrine and paracrine control of sperm production in stallions Anim Reprod Sci 68 2001 139 151
33. R. Palme, A. Holzmann, T. Mitterer Measuring fecal estrogens for the diagnosis of cryptorchidism in horses Theriogenology 42 1994 1381 1387
34. M. Coryn, A. DeMoor, R. Bouters Clinical, morphological and endocrinological aspects of cryptorchidism in the horse Theriogenology 16 1981 489 496
35. J.E. Cox, P.H. Redhead, F.E. Dawson Comparison of the measurement of plasma testosterone and plasma oestrogens for the diagnosis of cryptorchidism in the horse Equine Vet J 18 1986 179 182
36. P. Silberzahn, I. Zwain, P. Guerin Testosterone response to human chorionic gonadotropin injection in the stallion Equine Vet J 20 1988 61 63
37. P. Silberzahn, E.J. Pouret, I. Zwain Androgen and oestrogen response to a single injection of hCG in cryptorchid horses Equine Vet J 21 1989 126 129
38. J.E. Cox, P.H. Redhead Prolonged effect of a single injection of human chorionic gonadotrophin on plasma testosterone and oestrone sulphate concentrations in mature stallions Equine Vet J 22 1990 36 38
39. S. Bertelloni, G.I. Baroncelli, P. Ghirri Hormonal treatment for unilateral inguinal testis comparison of four different treatments Horm Res 55 2001 236 239
40. P. Mueller, A.T. Fischer Jr Developmental conditions of the scrotum and testes D.F. Wolfe H.D. Moll (ed 2) Large Animal Urogenital Surgery vol 1 1999 Williams and Wilkins Philadelphia, PA 37 53
41. D.A. Hendrickson, D.G. Wilson Laparoscopic cryptorchid castration in standing horses Vet Surg 26 1997 335 339
42. E.W. Davis Laparoscopic cryptorchidectomy in standing horses Vet Surg 26 1997 326 331
43. A.T. Fischer Jr, A.M. Vachon Laparoscopic cryptorchidectomy in horses J Am Vet Med Assoc 201 1992 1705 1708