PMC3137827_01
MRI brain axial T1W, T2W and FLAIR images showing well defi ned cystic lesion at the level of medulla oblongata
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F1
T1W images and hyper intense on T2W images, occupying the caudal part of the fourth ventricle and the dorsal medulla, associated with a cystic component and obstructive hydrocephalus. The caudal medulla was displaced ventrally and the vermis was displaced dorsally and superiorly [Figures 1-2].
MRI brain T1W axial and T2W coronal images showing well defi ned cystic lesion at the level of medulla oblongata with a dorsally located mural nodule
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F2
T1W images and hyper intense on T2W images, occupying the caudal part of the fourth ventricle and the dorsal medulla, associated with a cystic component and obstructive hydrocephalus. The caudal medulla was displaced ventrally and the vermis was displaced dorsally and superiorly [Figures 1-2].
Intra-operative photograph showing a cherry red lesion arising from the lower medulla oblongata
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F3
After opening the dura there was cherry red, highly vascular mass lesion was found on the dorsal surface of the medulla oblongata, obstructing the foramen of Magendie with dilated abnormal veins [Figure 3].
Photomicrograph showing features of hemangioblastoma and hemorrhage (H & E, x40)
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F4
Histopathology confirmed the diagnosis of hemangioblastoma [Figure 4].