การแยกความแตกต่างระหว่างเนื้องอกต่อมใต้สมองกับเนื้องอก เครนิโอฟาริงจิโอม่าในผู้ใหญ่โดยใช้ลักษณะที่พบจากภาพ เอ็มอาร์ไอ

Abstract

Purposes: To compare the MRI finding between pituitary macroadenoma and craniopharyngioma. Materials and Methods: A retrospective study reviewed of MRI findings from January 2006 to June 2014 of 61 patients with pathologically proved pituitary macroadenoma and 10 patients with pathologically proved craniopharyngioma. The patient datas were analyzed for gender, age and MRI findings of tumor size, shaped, component, adjacent brain edema, cavernous sinus invasion, sellar widening, present of posterior T1-weighted bright spot, presents of normal pituitary gland, T1 and T2-weighted signals of solid or cystic components and pattern of enhancement were evaluated. Results: A snowman or ovoid shape with solid component, presents of sellar widening and presents of posterior T1 bright spot are more common in pituitary macroadenoma (P < 0.05). A lobulated shape with cystic component, presents of adjacent brain edema, tumor epicenter in suprasellar with separation from the normal pituitary gland and presents of rim enhancement are more common in craniopharyngioma (P < 0.05). Conclusion: MRI can help to distinguish between pituitary macroadenoma and craniopharyngioma by using tumor shape, component, sellar widening, presents of posterior T1 bright spot, adjacent brain edema, tumor epicenter in suprasellar with separation from the normal pituitary gland and presents of rim enhancement. Keywords: Pituitary macroadenoma, Craniopharyngioma, MRI finding