Growth hormone deficiency classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mohammed Abdelwahed M.D[2]

Overview

Growth hormone deficiency can be classified by cause into congenital, acquired or idiopathic. In the congenital type, infants show symptoms such as hypoglycemia, neonatal growth failure, neonatal jaundice, and asphyxia. In acquired type of growth hormone deficiency, patients present with severe growth failure, delayed bone age, delayed puberty. The Idiopathic growth hormone deficiency which is defined as having a height significantly shorter than the normal population with no attributable cause for short stature.

Classification

Growth hormone deficiency can be classified into 3 based on the cause into:

Congenital

  • Symptoms manifest on the first day of life however, in some cases symptoms do not present until 6 months of life.
  • Congenital growth hormone deficiency can be classified into three types:

Acquired

  • It may first appear in children or adults. Children with GHD present with severe growth failure, delayed bone agedelayed puberty, immature face with an underdeveloped nasal bridge, frontal bossing, sparse hair growth, and infantile fat distribution.[4]
  • Adults with GHD can be grouped into those who had prior childhood GHD, those who acquire GHD secondary to structural lesions or trauma, and those with idiopathic GHD. Childhood GHD is generally further divided into those with organic causes and those in whom the cause is not known.[5]

Idiopathic growth hormone deficiency

  • Idiopathic growth hormone deficiency is defined as having a height significantly shorter than the normal population with no detectable cause for short stature.[6]
  • Idiopathic growth hormone deficiency is generally defined as having less than the calculated mid-parental height.
  • The clinical and biological presentation of idiopathic growth hormone deficiency varies, demonstrating the variety of its pathogenic features.[7]

References

  1. Nielsen J, Jensen RB, Afdeling AJ (2015). "[Growth hormone deficiency in children]". Ugeskr Laeger. 177 (26): 1260–3. PMID 26550626.
  2. Audí L, Fernández-Cancio M, Camats N, Carrascosa A (2013). "Growth hormone deficiency: an update". Minerva Endocrinol. 38 (1): 1–16. PMID 23435439.
  3. Kempers MJ, van der Crabben SN, de Vroede M, Alfen-van der Velden J, Netea-Maier RT, Duim RA; et al. (2013). "Splice site mutations in GH1 detected in previously (Genetically) undiagnosed families with congenital isolated growth hormone deficiency type II". Horm Res Paediatr. 80 (6): 390–6. doi:10.1159/000355403. PMID 24280736.
  4. Alatzoglou KS, Webb EA, Le Tissier P, Dattani MT (2014). "Isolated growth hormone deficiency (GHD) in childhood and adolescence: recent advances". Endocr Rev. 35 (3): 376–432. doi:10.1210/er.2013-1067. PMID 24450934.
  5. Molitch ME, Clemmons DR, Malozowski S, Merriam GR, Vance ML, Endocrine Society (2011). "Evaluation and treatment of adult growth hormone deficiency: an Endocrine Society clinical practice guideline". J Clin Endocrinol Metab. 96 (6): 1587–609. doi:10.1210/jc.2011-0179. PMID 21602453.
  6. Melmed S (2013). "Idiopathic adult growth hormone deficiency". J Clin Endocrinol Metab. 98 (6): 2187–97. doi:10.1210/jc.2012-4012. PMC 3667267. PMID 23539718.
  7. Pinto G, Adan L, Souberbielle JC, Thalassinos C, Brunelle F, Brauner R (1999). "Idiopathic growth hormone deficiency: presentation, diagnostic and treatment during childhood". Ann Endocrinol (Paris). 60 (3): 224–31. PMID 10520414.

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