Journal
EUROPEAN JOURNAL OF ENDOCRINOLOGY
Volume 175, Issue 4, Pages R171-R184Publisher
BIOSCIENTIFICA LTD
DOI: 10.1530/EJE-15-1272
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Funding
- Fonds d'Investissement de Recherche Scientifiques (FIRS) of the Centre Hospitalier Universitaire de Liege, Liege, Belgium
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Pituitary incidentalomas are a by-product of modern imaging technology. The term 'incidentaloma' is neither a distinct diagnosis nor a pathological entity. Rather, it is a collective designation for different entities that are discovered fortuitously, requiring a working diagnosis based on the input of the radiologist, endocrinologist and often a neurosurgeon. In addition to pathological conditions affecting the pituitary gland, a thorough knowledge of the radiological characteristics of normal variants and technical artifacts is required to arrive at an accurate differential diagnosis. After careful radiological and hormonal evaluation, the vast majority of pituitary incidentalomas turn out to be non-functioning pituitary microadenomas and Rathke's cleft cysts (RCCs). Based on the low growth potential of non-functioning pituitary microadenomas and RCCs, periodic MRI surveillance is currently considered the optimal management strategy. Stricter follow-up is required for macroadenomas, as increases in size occur more frequently.
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