Email this article GROWTH PARTICULARS OF PITUITARY MACROADENOMAS WITH VARIOUS HORMONAL ACTIVITIES
- Authors: Ilovayskaya I.A.1, Dreval' A.V.1, Krivosheeva Y.G.1, Astaf'eva L.I.2, Stashuk G.A.1
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Affiliations:
- Moscow Regional Research and Clinical Institute (MONIKI)
- Burdenko Neurosurgical Institute
- Issue: Vol 44, No 4 (2016)
- Pages: 451-456
- Section: ARTICLES
- URL: https://almclinmed.ru/jour/article/view/434
- DOI: https://doi.org/10.18786/2072-0505-2016-44-4-451-456
- ID: 434
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Abstract
Background: Pituitary adenoma is not as infrequent as thought previously. The prevalence of macroadenomas in general population is up to 0.16–0.2%. Magnetic resonance imaging (MRI) is a method of choice in diagnosis of pituitary adenomas. Until now, specifics of imaging of pituitary adenomas with various hormonal activities have not been discussed.
Aim: To analyze comparatively the size, volumes and growth direction in pituitary macroadenomas with various hormonal activities.
Materials and methods: We analyzed MRI images of 305 patients with hypophyseal adenomas of more than 10 mm diameter, among them with non-functioning adenomas (n=109), prolactinomas (n=58), and somatotropinomas (n=138).
Results: Depending on their hormonal activity, hypophyseal adenomas had different volumes (р<0.001): non-functioning hypophyseal adenomas had the volume of 6620 [2637; 14492] mm3 , prolactinomas – 5365 [1495; 10316] mm3 , somatotropinomas – 3052 [1696; 5727] mm3 . In the majority of patients from all groups, extrasellar growth at several directions was observed. Onedirectional growth was seen in 29% of non-functioning hypophyseal adenomas, 41% of prolactinomas and 37% of somatotropinomas (р>0.05). Non-functioning hypophyseal adenomas and prolactinomas demonstrated mostly suprasellar growth (in 83.5 and 79.3% of cases, respectively), whereas somatotropinomas were growing mostly in infrasellar direction (66.1%).
Conclusion: These characteristic features of hypophyseal macroadenomas with various hormonal activities could be used for differential diagnosis, which may help to optimize patient assessment during the diagnostic work-up.
About the authors
I. A. Ilovayskaya
Moscow Regional Research and Clinical Institute (MONIKI)
Author for correspondence.
Email: irena.ilov@yandex.ru
MD, PhD, Senior Research Fellow, Department of Therapeutic Endocrinology,
61/2–9 Shchepkina ul., Moscow, 129110
РоссияA. V. Dreval'
Moscow Regional Research and Clinical Institute (MONIKI)
Email: fake@neicon.ru
MD, PhD, Professor, Head of Department of Therapeutic Endocrinology; Chief of Chair of Endocrinology, Postgraduate Training Faculty,
61/2 Shchepkina ul., Moscow, 129110
РоссияYu. G. Krivosheeva
Moscow Regional Research and Clinical Institute (MONIKI)
Email: fake@neicon.ru
MD, Postgraduate Student, Chair of Endocrinology, Postgraduate Training Faculty,
61/2 Shchepkina ul., Moscow, 129110
РоссияL. I. Astaf'eva
Burdenko Neurosurgical Institute
Email: fake@neicon.ru
MD, PhD, Leading Research Fellow, Pituitary Tumor Department,
16 4-ya Tverskaya-Yamskaya ul., Moscow, 125047
РоссияG. A. Stashuk
Moscow Regional Research and Clinical Institute (MONIKI)
Email: fake@neicon.ru
MD, PhD, Professor, Chief Research Fellow, Department of Roentgenology; Chair of Radiology, Postgraduate Training Faculty,
61/2 Shchepkina ul., Moscow, 129110
РоссияReferences
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