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Published on: January 17, 2018
Risk factor for pituitary dysfunction in children and adolescents with Rathke's cleft cysts
1Department of Pediatrics, School of Medicine, Chungnam National University, Daejeon, Korea.
Insights
General weakness is a key indicator of pituitary insufficiency in children with Rathke's cleft cysts. Early evaluation of pituitary function and surgical consideration are recommended for affected patients.
Area of Science:
- Pediatric Endocrinology
- Neurosurgery
- Pediatric Neurology
Background:
- Rathke's cleft cysts are congenital tumors that can cause pituitary insufficiency in children and adolescents.
- Clinical manifestations vary, but endocrinopathy and neurological symptoms are common.
Purpose of the Study:
- To evaluate clinical manifestations and identify risk factors for pituitary insufficiency in pediatric patients with Rathke's cleft cysts.
- To correlate cyst characteristics with hormonal deficits and neurological symptoms.
Main Methods:
- Retrospective review of 44 pediatric patients (under 19 years) with Rathke's cleft cysts.
- Analysis of clinical, hormonal, and brain MRI findings.
- Histological confirmation in 15 patients, MRI confirmation in 29.
Main Results:
- Symptomatic patients presented with headache (65%), endocrinopathy (61%), and visual disturbances (19%).
- Common endocrinopathies included central precocious puberty and diabetes insipidus.
- General weakness was identified as a significant risk factor for pituitary insufficiency (R²=0.549).
- Suprasellar extension and T2-weighted MRI signals correlated with hypothyroidism, hypocortisolism, and diabetes insipidus.
Conclusions:
- General weakness is a significant predictor of pituitary insufficiency in pediatric Rathke's cleft cyst patients.
- Clinicians should assess pituitary function in patients with general weakness and consider surgical intervention.
Purpose:
This study evaluated the clinical manifestations of and risk factors for pituitary insufficiency in children and adolescents with Rathke's cleft cysts.
Methods:
Forty-four patients with Rathke's cleft cysts younger than 19 years who visited Seoul National University Children's Hospital between January 1995 and September 2009 were enrolled. Rathke's cleft cysts were confirmed histologically through an operation in 15 patients and by brain magnetic resonance imaging (MRI) in 29 patients. The clinical, hormonal, and imaging features were reviewed retrospectively.
Results:
THE CLINICAL PRESENTATION OF SYMPTOMATIC PATIENTS WAS AS FOLLOWS: headache (65%), endocrinopathy (61%), and visual disturbance (19%). Endocrinopathy included central precocious puberty (18%), diabetes insipidus (14%), general weakness (11%), and decreased growth velocity (7%). After surgery, hyperprolactinemia resolved in all patients, but growth hormone insufficiency, hypothyroidism, and diabetes insipidus did not improve. Pituitary insufficiency except gonadotropin abnormality correlated significantly with severe headache, visual disturbance, general weakness, and cystic size. Suprasellar extension of cysts and high signals in the T2-weighted image on brain MRI were related to hypothyroidism, hypocortisolism, and diabetes insipidus. Multivariable linear regression analysis showed that only general weakness was a risk factor for pituitary insufficiency (R(2)=0.549).
Conclusion:
General weakness is a risk factor for pituitary insufficiency in patients with Rathke's cleft cysts. When a patient with a Rathke's cleft cyst complains of general weakness, the clinician should evaluate pituitary function and consider surgical treatment.
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