Fig. 3From: Late-onset symptomatic hyperprolactinemia in 6-pyruvoyl-tetrahydropterin synthase deficiencyBrain MRI sagittal section images at the midline of Patients 1, 2, 5, and 9. The depth of the anterior pituitary gland (bracket) is marked on the images. A pituitary Rathke cleft cyst was found in Patient 9 (arrow)Back to article page