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IMAGe syndrome: a complex disorder affecting growth, adrenal and gonadal function, and skeletal development
C C Pedreira1, R Savarirayan, Margaret R Zacharin
1Department of Endocrinology and Diabetes, Royal Children's Hospital, and Genetic Health Services Victoria, Murdoch Children's Research Institute, Parkville, Melbourne, Victoria, Australia.
The Journal of Pediatrics
|February 5, 2004
Summary
IMAGe syndrome is a rare multisystem disorder. This case highlights a unique presentation with late-onset adrenal insufficiency and growth hormone deficiency, crucial for accurate diagnosis and management.
Area of Science:
- Genetics and Endocrinology
- Pediatric Medicine
- Rare Disease Research
Background:
- IMAGe syndrome is a rare genetic disorder characterized by intrauterine growth restriction, metaphyseal dysplasia, adrenal hypoplasia congenita, and genital abnormalities.
- Early diagnosis is critical to prevent severe complications, but initial symptoms can mimic Russell-Silver syndrome or isolated growth hormone deficiency.
Observation:
- A case report of an Australian male diagnosed with IMAGe syndrome.
- The patient presented with intrauterine growth restriction, dysmorphic features (low-set ears, micrognathia), bilateral cryptorchidism, and micropenis.
- Skeletal abnormalities were also noted, with adrenal insufficiency manifesting at 4.6 years of age.
Findings:
- This patient exhibited a unique clinical course with late-onset adrenal insufficiency.
- Growth hormone deficiency was also observed, distinguishing this case from previously described IMAGe syndrome presentations.
- The findings underscore the broad and variable phenotype of IMAGe syndrome.
Implications:
- Accurate differentiation of IMAGe syndrome from similar conditions like Russell-Silver syndrome is essential for appropriate patient care.
- Recognizing atypical presentations, such as late-onset adrenal insufficiency and GH deficiency, improves diagnostic accuracy.
- This case contributes to a better understanding of IMAGe syndrome's complex genetic basis and clinical spectrum.