This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
All of the following are associated with hypergonadotrophic hypogonadism in males, EXCEPT: 
Select and explain. 
A. Viral orchitis, B. Klinefelter's syndrome, C. Kallman's syndrome, D. Noonan syndrome
C: Kallman's syndrome
Answer: C: Kallman's syndrome 
Explanation: Kallman's syndrome is associated with hypogonadotropic hypogonadism resulting in decreased or absent GnRHsecretion. This syndrome is characterized clinically by anosmia, hypogonadism and other midline defects (cleft lip/palate, colour blindness, seizures, anosmia etc). This syndrome is due to impaired migration of GnRH releasing neurons to hypothalamus during the embryonic period. Ref: Cancer and Sexual Health By John P. Mulhall page 197; Organic psychiatry: the psychological consequences of cerebral disorder By William Alwyn Lishman page 526; Manual of Endocrinology and Metabolism By Norman Lavin page 292; The immunoassay handbook By David Wild page 567