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eISSN: 1643-3750

Evaluation of a Novel General Pituitary Hormone Score to Evaluate the Function of the Residual Anterior Pituitary (Adenohypophysis) in Patients Following Surgery for Pituitary Adenoma

Shousen Wang, Chenyu Ding, Deyong Xiao, Zhifeng Wu, Liangfeng Wei

(Department of Neurosurgery, Fuzhou General Hospital, Fujian Medical University, Fuzhou, Fujian, China (mainland))

Med Sci Monit 2018; 24:7944-7951

DOI: 10.12659/MSM.909925

Published: 2018-11-06


BACKGROUND: The aim was to develop and assess a general pituitary hormone score to evaluate the function of the anterior pituitary (adenohypophysis) in patients following resection of pituitary adenomas.
MATERIAL AND METHODS: Sixty-six patients with pituitary null cell macroadenoma (1–3 cm diameter) (N=38) and pituitary null cell giant adenoma (≥3 cm diameter) (N=28) had preoperative and postoperative data including magnetic resonance imaging (MRI) and measurement of six pituitary hormones levels, adrenocorticotropic hormone (ACTH), growth hormone (GH), thyroid-stimulating hormone (TSH), prolactin (PRL), follicle-stimulating hormone (FSH), and luteinizing hormone (LH). The postoperative general pituitary hormone score, for 57 patients who underwent subtotal resection (>60%) and nine patients who underwent partial resection (≤60%), was 1–5 for each hormone level (score range, 6–30).
RESULTS: ACTH, GH, TSH, PRL, FSH, and LH levels in 38 patients with pituitary null cell macroadenoma were not statistically different from the 28 patients with pituitary null cell giant adenoma; the general pituitary hormone score in the former group was significantly increased compared with the latter group (P<0.05). ACTH, GH, TSH, PRL, FSH, and LH levels in the 57 patients with subtotal tumor resection were not significantly different from the nine patients with partial tumor resection; the general pituitary hormone score in the former group was significantly reduced compared with the latter group (P<0.05).
CONCLUSIONS: A general pituitary hormone score was developed that might be relevant to the evaluation of pituitary function following surgical resection of pituitary null cell macroadenoma and giant adenoma.

Keywords: Hypothyroidism, Pituitary Hormones, Pituitary Adenomas



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