PMC5379802_01
(a) MR T1W axial, (b) MR T2W axial, and (c) MR T1W axial contrast
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F1
T1W, hyperintense on T2W and FLAIR images, postcontrast study revealed strong peripheral enhancement with enhancement of the nodule [Figure 1a-c]. The lesion was reported as cystic astrocytoma/ganglioglioma.
Postoperative CT scan
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F2
Patient underwent right fronto-temporo-parietal craniotomy with drainage and marsupialisation of the cystic lesion [Figure 2].
Intraoperative images: Cyst with cholesterol flecks
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F3
Cystic fluid was yellowish, machine oil-like containing cholesterol crystal and flecks mostly over the medial side [Figure 3].
Low power field histopathological images
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F4
Histological examination revealed inflamed Rathke's cleft cyst with cystic wall lined by flatten to psedostratified squamous lining epithelium with congested blood vessel, chronic inflammatory infiltrate in from of lymphocyte, plasma cell, and lymphoid aggregates [Figure 4].