ISSN: 1308-5727 | E-ISSN: 1308-5735
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Turkish Society for Pediatric Endocrinology and Diabetes
IGFA Case Report of Pycnodysostosis Associated with Multiple Pituitary Hormone Deficiencies and Response to Treatment [J Clin Res Pediatr Endocrinol]
J Clin Res Pediatr Endocrinol. 2020; 12(4): 444-449 | DOI: 10.4274/jcrpe.galenos.2020.2019.0194

IGFA Case Report of Pycnodysostosis Associated with Multiple Pituitary Hormone Deficiencies and Response to Treatment

Vishesh Verma1, RK Singh1
Armed Forces Medical College, Department of Endocrinology, Pune, India

Pycnodysostosis is a rare autosomal recessive osteosclerotic bone disorder associated with short stature and multiple bony abnormalities. Growth hormone (GH) deficiency may contribute to short stature in about 50% of patients. Available literature has rarely reported other pituitary hormone deficiencies in pyknodysostosis. Though the management remains conservative, recombinant human GH (rhGH) has been tried in selected patients. Here we present a case of pycnodysostosis which was evaluated for associated co-morbidities and found to have multiple pituitary hormone deficiencies. A 7-year-old girl was referred to our centre for evaluation of short stature. On examination, she had frontal and occipital bossing, limited mouth opening, hyperdontia with multiple carries, short and stubby digits and short stature. Investigation revealed dense sclerotic bones with frontal and occipital bossing, non-fusion of sutures with obtuse mandibular angle, non-pneumatised sinuses, small ‘J’ shaped sella turcica, acro-osteolysis of digits and absent medullary cavities. Cathepsin-K gene mutation analysis confirmed the diagnosis of pycnodysostosis. She was screened for associated co-morbidities and was found to have concomitant GH deficiency. Treatment with rhGH brought about an increase of 1 standard deviation score in height over 2 years and also unmasked central hypothyroidism at three months necessitating thyroxine replacement.

Keywords: Pycnodysostosis, short stature, multiple pituitary hormone deficiencies, Cathepsin-K gene mutation

Vishesh Verma, RK Singh. IGFA Case Report of Pycnodysostosis Associated with Multiple Pituitary Hormone Deficiencies and Response to Treatment. J Clin Res Pediatr Endocrinol. 2020; 12(4): 444-449
Manuscript Language: English
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