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Correlative ultrastructural morphometry of human prolactin-producing adenomas
Acta Neurochirurgica
|January 1, 1980
Summary
Tumor size, not cell structure, correlates with prolactin levels in sparsely granulated prolactin cell adenomas. This finding suggests tumor mass influences hormone release in these pituitary tumors.
Area of Science:
- Endocrinology
- Oncology
- Cell Biology
Background:
- Prolactin cell adenomas are common pituitary tumors.
- Understanding factors influencing prolactin secretion is crucial for patient management.
Purpose of the Study:
- To investigate the relationship between ultrastructural morphometry of sparsely granulated prolactin cell adenomas and clinical parameters.
- To determine if subcellular morphology or tumor size correlates with blood prolactin levels.
Main Methods:
- Ultrastructural morphometry was performed on 24 surgically removed human sparsely granulated prolactin cell adenomas.
- Measurements were correlated with blood prolactin levels, tumor size, and patient age and sex.
Main Results:
- No significant correlation was found between subcellular morphology and blood prolactin levels.
- A positive correlation was observed between tumor size and blood prolactin levels.
Conclusions:
- Tumor mass, rather than subcellular morphology, is the primary determinant of prolactin release in sparsely granulated prolactin cell adenomas.
- These findings have implications for understanding the pathophysiology and management of prolactinomas.