Last reviewed: November 2017
Last updated: November  2017

Summary

Definition

History and exam

Key diagnostic factors

  • boys: testes <3 mL
  • girls: absent breast development
  • absent pubic/axillary hair
  • absence of menarche
  • absent growth spurt
  • anosmia

Other diagnostic factors

  • short stature
  • dysmorphic features

Risk factors

  • FHx of delayed puberty
  • congenital pituitary structural abnormalities
  • gene mutations
  • chromosomal disorders
  • syndromic diagnosis
  • eating disorders
  • chronic systemic illness
  • malnutrition
  • intense exercise
  • congenital testicular abnormalities
  • acquired gonadal abnormalities
  • pituitary surgery
  • adrenal hypoplasia
  • chemotherapy
  • radiation therapy
  • histiocytosis
  • sickle cell disease
  • iron overload (associated with transfusion)

Diagnostic investigations

1st investigations to order

  • nondominant wrist x-ray
  • basal FSH and LH
Full details

Investigations to consider

  • LHRH stimulation test
  • hCG stimulation test
  • MRI brain
  • karyotype
  • ultrasound pelvis and abdomen
  • echocardiogram
  • serum ovarian autoantibodies
  • assessment of olfaction
  • TFTs
  • serum prolactin
  • other pituitary hormone investigations
Full details

Emerging tests

  • overnight gonadotropin profile
Full details

Treatment algorithm

Contributors

Authors VIEW ALL

Ameeta Mehta

Paediatric Endocrinologist

London

UK

Disclosures

AM is an author of several articles cited in this monograph.

Professor of Paediatric Endocrinology

University College London

London

UK

Disclosures

PH is an author of several articles cited within this monograph.

Peer reviewers VIEW ALL

Assistant Professor of Pediatrics

University of Chicago

Chicago

IL

Disclosures

DD declares that she has no competing interests.

Consultant Paediatric Endocrinologist

Chelsea and Westminster Hospital

Honorary Senior Lecturer

Imperial College School of Medicine

London

UK

Disclosures

NB declares that she has no competing interests.

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