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Pituitary

, Volume 15, Supplement 1, pp 81–86 | Cite as

Unilateral agenesis of internal carotid artery associated with congenital combined pituitary hormone deficiency and pituitary stalk interruption without HESX1, LHX4 or OTX2 mutation: a case report

  • Faïza LamineEmail author
  • Faouzi Kanoun
  • Melika Chihaoui
  • Alexandru Saveanu
  • Emna Menif
  • Anne Barlier
  • Alain Enjalbert
  • Thierry Brue
  • Hédia Slimane
Article

Abstract

Agenesis of internal carotid artery (ICA) is an unusual finding in subjects with congenital Combined Pituitary hormone deficiency (CPHD) with only nine cases being reported to date but to our best knowledge none of them was genetically investigated. A 10-years old girl presented with severe growth failure (height 103 cm) with substantial bone age delay (3 years). She had no history of perinatal insults or familial CPHD. There was no evidence of mental retardation or craniofacial dysmorphism or ophtalmological abnormalities. She was first diagnosed with GH and TSH deficiency. Cerebral magnetic resonance imaging (MRI) showed hypoplastic anterior pituitary, flat sella turcica, absent pituitary stalk with ectopic posterior pituitary as well as agenesis of the left ICA and the left carotid canal. Genomic analysis of pituitary transcription factor HESX1, LHX4 and OTX2 showed no mutations. Treatment with GH and thyroxine was started. The patient remained free of neurovascular symptoms for 5 years but she presented at the age of 15 years with delayed puberty related to an evolving gonadotropin deficiency. ICA agenesis associated with CPHD is unusual and is often asymptomatic in children. Since the CPHD with pituitary stalk interruption cannot be due to HESX1, LHX4 or OTX2 mutation in our case, other pathogenetic mechanisms may be responsible for CPHD associated with unilateral ICA agenesis.

Keywords

Congenital combined pituitary hormone deficiency Unilateral agenesis of internal carotid artery Pituitary transcription factors 

Notes

Acknowledgments

The GENHYPOPIT network for the study of genetic determinants of hypopituitarism, coordinated by Thierry Brue (thierry.brue@mail.ap-hm.fr), was funded by the Groupement d’Intérêt Scientifique Institut des Maladies Rares (GISMR0201) and the Programme Hospitalier de Recherche Clinique (PHRC 25/2003, French Ministry of Health).

Conflict of interest

The authors declare that there is no conflict of interest that could be perceived as prejudicing the impartiality of the research reported.

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Faïza Lamine
    • 1
    Email author
  • Faouzi Kanoun
    • 1
  • Melika Chihaoui
    • 1
  • Alexandru Saveanu
    • 2
  • Emna Menif
    • 3
  • Anne Barlier
    • 2
  • Alain Enjalbert
    • 2
  • Thierry Brue
    • 4
  • Hédia Slimane
    • 1
  1. 1.Department of Endocrinology and Diabetes, Rabta University Hospital, Faculty of MedicineUniversity of Tunis El ManarTunisTunisia
  2. 2.Department of Molecular BiologyHôpital de la ConceptionMarseilleFrance
  3. 3.Department of Radiology, Rabta University Hospital, Faculty of MedicineUniversity of Tunis El ManarTunisTunisia
  4. 4.Department of EndocrinologyCentre Hospitalo-Universitaire La TimoneMarseilleFrance

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