Hypogonadotropic-hypogonadism (Kallman Syndrome) in Young Adult

Authors

  • M. Totaganti Div. of Diabetes and Metabolism, AIIMS Rishikesh, Nepal
  • D. Sharma Div. of Diabetes and Metabolism, AIIMS Rishikesh, Nepal
  • Ravi Kant Div. of Diabetes and Metabolism, AIIMS Rishikesh, Nepal

DOI:

https://doi.org/10.3126/jdean.v5i1.38917

Keywords:

Hypogonadotropic-hypogonadism, Kallmann Syndrome, olfactogenital dysplasia

Abstract

Background: Kallmann syndrome (KS) is a rare disorder first described in 1856 and later studied by Kallmann in 1944. It is now designated as olfactogenital dysplasia with an association between agenesis of the olfactory bulbs and hypogonadism. The prevalence of KS is still unknown. The reported incidence is 1 in 8000 to 1 in 10 000 in men and rare in women. More than 24 genes are underlying KS that have been identified. Mutations in these genes are thought to interfere with the expression of cell markers that guide migrating neurons, leading to failed migration of GnRH neurons and olfactory neurons to the forebrain during fetal development. The main clinical characteristics of KS include hypogonadotropic hypogonadism and anosmia or hyposmia. Less common phenotypes include cardiovascular anomalies, unilateral renal agenesis, cleft palate and cleft lip, cryptorchidism and osteoporosis. Magnetic resonance imaging (MRI) can show abnormalities of the olfactory system and other forebrain structures. Other exceptions may be discovered using MRI because of its high resolution and multiplanar capabilities, such as pituitary abnormalities.  

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Author Biographies

M. Totaganti, Div. of Diabetes and Metabolism, AIIMS Rishikesh, Nepal

Junior Resident

D. Sharma, Div. of Diabetes and Metabolism, AIIMS Rishikesh, Nepal

Senior Resident

Ravi Kant, Div. of Diabetes and Metabolism, AIIMS Rishikesh, Nepal

Addl. Prof. & Head

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Published

2021-08-05

How to Cite

Totaganti, M., Sharma, D., & Kant, R. (2021). Hypogonadotropic-hypogonadism (Kallman Syndrome) in Young Adult. Journal of Diabetes and Endocrinology Association of Nepal, 5(1), 43–45. https://doi.org/10.3126/jdean.v5i1.38917

Issue

Section

Case Reports