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  • Author: Jianwu Wu x
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Liang Xue Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, China
Department of Neurosurgery, 900TH Hospital of the Joint Logistics Support Force, Fuzhou, Fujian, China

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Jianwu Wu Department of Neurosurgery, 900TH Hospital of the Joint Logistics Support Force, Fuzhou, Fujian, China

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Jie Chen Department of Radiology, 900TH Hospital of the Joint Logistics Support Force, Fuzhou, Fujian, China

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Yongkai Yang Department of Neurosurgery, Affiliated Fuzhou First Hospital of Fujian Medical University, Fuzhou, Fujian, China

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Purpose

We aimed to assess the factors influencing the development of diabetes insipidus after transsphenoidal surgery for pituitary adenomas.

Methods

A retrospective analysis was conducted on the clinical data of patients with pituitary adenomas who underwent transsphenoidal surgery. The predictors of postoperative diabetes insipidus were determined using statistical analysis.

Results

Of the 415 patients who underwent microscopic transsphenoidal surgery for pituitary adenomas, 196 experienced postoperative diabetes insipidus. The sinking depth of the diaphragma sellae and the difference between the preoperative and postoperative pituitary stalk deviation angles in the diabetes insipidus group were greater than those in the non-diabetes insipidus group. Logistic regression analysis showed that the risk of diabetes insipidus after transsphenoidal surgery was higher in patients with a larger difference in their pituitary stalk deviation angles (odds ratio = 2.407, 95% CI = 1.335–4.342; P = 0.004).

Conclusion

The difference in the pituitary stalk deviation angle could predict the onset of diabetes insipidus after transsphenoidal surgery for pituitary adenomas.

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Tao Mei Department of Neurosurgery, Fuzhou General Hospital, Fuzhou, China
Fuzong Clinical Medical College of Fujian Medical University, Fuzhou, China

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Jianhe Zhang Department of Neurosurgery, Fuzhou General Hospital, Fuzhou, China

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Liangfeng Wei Department of Neurosurgery, Fuzhou General Hospital, Fuzhou, China

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Xingfeng Qi Department of Pathology, Fuzhou General Hospital, Fuzhou, China

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Yiming Ma Department of Neurosurgery, Liuzhou General Hospital, Liuzhou, China

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Xianhua Liu Department of Pathology, Fuzhou General Hospital, Fuzhou, China

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Shaohua Chen Department of Pathology, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, China

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Songyuan Li Department of Neurosurgery, Fuzhou General Hospital, Fuzhou, China

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Jianwu Wu Department of Neurosurgery, Fuzhou General Hospital, Fuzhou, China

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Shousen Wang Department of Neurosurgery, Fuzhou General Hospital, Fuzhou, China

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Tumor cells require large amounts of energy to sustain growth. Through the mediated transport of glucose transporters, the uptake and utilization of glucose by tumor cells are significantly enhanced in the hypoxic microenvironment. Pituitary adenomas are benign tumors with high-energy metabolisms. We aimed to investigate the role of expression of glucose transporter 3 (GLUT3) and glucose transporter 1 (GLUT1) in pituitary adenomas, including effects on size, cystic change and hormone type. Pituitary adenomas from 203 patients were collected from January 2013 to April 2017, and immunohistochemical analysis was used to detect the expression of GLUT3 and GLUT1 in tumor specimens. GLUT3-positive expression in the cystic change group was higher than that in the non-cystic change group (P = 0.018). Proportions of GLUT3-positive staining of microadenomas, macroadenomas, and giant adenomas were 22.7 (5/22), 50.4 (66/131) and 54.0% (27/50), respectively (P = 0.022). In cases of prolactin adenoma, GLUT3-positive staining was predominant in cell membranes (P = 0.000006), while in cases of follicle-stimulating hormone or luteotropic hormone adenoma, we found mainly paranuclear dot-like GLUT3 staining (P = 0.025). In other hormonal adenomas, GLUT3 was only partially expressed, and the intensity of cell membrane or paranuclear punctate staining was weak. In contrast to GLUT3, GLUT1 expression was not associated with pituitary adenomas. Thus, our results indicate that the expression of GLUT3 in pituitary adenomas is closely related to cystic change and hormonal type. This study is the first to report a unique paranuclear dot-like GLUT3 staining pattern in pituitary adenomas.

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