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Table 3: MR imaging findings
Finding No. (%)
Enlargement of pituitary gland 12 (60.0)
Gadolinium-enhanced MR imaging (n = 20) 
    Enlargement of pituitary stalk 20 (100)
    Hypoenhancing lesions in the pituitary gland 19 (95.0)
    High intensity on T2WI 1/19 (5.3)
    Isointensity on T2WI 7/19 (36.8)
    Low intensity on T2WI 11/19 (57.9)
Shape of hypoenhancing lesion (n = 19) 
    Linear 8 (42.1)
    Nodular 4 (21.1)
    Ring-shaped 1 (5.3)
    Irregular 6 (31.6)

Finding	No. (%)
Enlargement of pituitary gland	12 (60.0)
Gadolinium-enhanced MR imaging (n = 20)
Enlargement of pituitary stalk	20 (100)
Hypoenhancing lesions in the pituitary gland	19 (95.0)
High intensity on T2WI	1/19 (5.3)
Isointensity on T2WI	7/19 (36.8)
Low intensity on T2WI	11/19 (57.9)
Shape of hypoenhancing lesion (n = 19)
Linear	8 (42.1)
Nodular	4 (21.1)
Ring-shaped	1 (5.3)
Irregular	6 (31.6)