First author and Reference number | Age/Sex | Location | Symptoms | Pattern of MRI signal intensity |
---|---|---|---|---|
Hamasaki [2] | 59/M | Left cerebellopontine angle | Dizziness, headache, vomiting | High on T1, low on T2 |
Offiah [3] | 25/F | Cisterna magna and posterior part of the foramen magnum | Headache, nausea, vomiting | High on T1, low on T2 |
Chen [4] | 41/F | Right Meckel’s cave | Numbness of the right side of the face | High on T1, low on T2 |
Faro [11] | 30/F | Adjacent to the left cavernous sinus and lesser wing of the left sphenoid bone | Severe frontal headache | Slightly increased signal in relation to adjacent white matter on T1, and low signal similar to adjacent cortical bone on T2 |
Srirama Jayamma [5] | 62/M | Sulcal spaces | Episodic falls, difficulty in walking, brief loss of consciousness | High on T1 and low on T2 |
Lee [6] | 45/M | Within the dura at the level of C1 | Increasing pain around the neck | High on T1 and low on T2 |
Lee [7] | 15/F | Left middle cranial fossa | Left facial hyperesthesia and paresthesia, diplopia | High on T1 and low on T2 |
Lin [8] | 27/M | Frontal lobe | Headache and diplopia | High on T1 and low on T2 |
Painter [9] | 35/M | Throughout the spinal canal, most prominent from C4 to T1 | Headaches | High on T1 and low on T2 |
Pan [1] | 36/M | Right cavernous sinus and the gyrus rectus | Headache accompanied by right eyelid ptosis | High on T1 and low on T2 |
Ruelle [10] | 62/M | C5–C7 | Slight weakness of the lower extremities and paresthesia on both hands | High on T1 and low on T2 |
de Tella Jr [12] | 35/M | Around the optic nerve | Proptosis of the right eye | Isointense on T1, no change in intensity on T2 |
Tregnago [13] | 28/M | In the inferior and lateral aspects of the right orbit | Proptosis of the right eye | Isointense to hyperintense on T1, predominantly isointense on T2 |
This study | 39/M | Meckel’s cave | Numbness on left side of the face, pain, and malocclusion | High on T1, low on T2 |