Fig. 5

Patient 2 is a man. (a, b) Coronal and sagittal views on MRI. The solid mass is in the saddle and suprasellar area, showing uneven enhancement. The optic chiasm is elevated and the pituitary is compressed in the right area of the mass. The area surrounded by the red dotted line is the area where the tumor is located. (c) Postoperative pathology: tumor cells diffusely in a patchy distribution, local distribution around the sinusoids, cell morphology more consistent with nuclear deep staining, cytoplasmic dichromatic and part of the cytoplasm staining red. (d) After removing the bone of the saddle and sharply cutting the dura mater, we found a hard tumor and identified the pituitary. (e) During the process of excising the tumor, the important anatomical structure of the adjacent tumor is clearly visible. (f) An image of the surgical area after removal of the tumor. The surrounding important adjacent structure is not damaged