Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2022
Optic nerve ultrasonography in the evaluation of the relationship between arachnoid cyst and headache.
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Sarigecili Esra, Bilen Sevcan, Gokay Sinem Sari, Ucar Habibe K O C, Dilek Okan
Аннотация
AIM: This study is aimed to show the difference between optic nerve sheath diameter (ONSD) values in migraine patients with and without arachnoid cysts from migraine patients and control groups, and to evaluate the relationship with the arachnoid cyst size on magnetic resonance imaging (MRI) and their clinical severity.
METHODS: This cross-sectional study included pediatric patients who were previously diagnosed with migraine and the control group. The patients consist of 3 groups. The first group was 24 patients with arachnoid cysts on brain magnetic resonance imaging (MRI) who met the diagnostic criteria for migraine (group 1); the second group was 20 patients with only headache without arachnoid cysts or other findings on brain magnetic resonance imaging (MRI) (group 2); the third group was completely healthy 20 control group. Demographic data of the patients, the onset of headache time, clinical severity, electroencephalography (EEG) findings, optic nerve sheath diameter (ONSD) measurements by ultrasonography, and the volume of arachnoid cyst on brain MRI were determined and compared.
RESULTS: The optic nerve sheath diameter (ONSD) value was the highest in group 1 and the lowest in the control group (p: 0.001). The clinical severity was statistically different between the groups (p: 0.038). Accordingly, the majority of the clinical severity of group 1 was determined in grades 3 and 4. A weak positive correlation was found between the arachnoid cyst size on MRI and the ONSD measurement (r = 0.410, p = 0.047). The ONSD value statistically significantly increased with clinical severity in group 1 (p: 0.003).
CONCLUSION: The reliability of the optic nerve sheath diameter (ONSD) measurements in determining the increase of the intracranial pressure was shown in previous studies. This is the first study in the literature presenting that the intracranial pressure effects of arachnoid cysts can be demonstrated by ONSD. We have considered that arachnoid cysts detected in headaches can create a compression effect and cause the pain to intensify.
METHODS: This cross-sectional study included pediatric patients who were previously diagnosed with migraine and the control group. The patients consist of 3 groups. The first group was 24 patients with arachnoid cysts on brain magnetic resonance imaging (MRI) who met the diagnostic criteria for migraine (group 1); the second group was 20 patients with only headache without arachnoid cysts or other findings on brain magnetic resonance imaging (MRI) (group 2); the third group was completely healthy 20 control group. Demographic data of the patients, the onset of headache time, clinical severity, electroencephalography (EEG) findings, optic nerve sheath diameter (ONSD) measurements by ultrasonography, and the volume of arachnoid cyst on brain MRI were determined and compared.
RESULTS: The optic nerve sheath diameter (ONSD) value was the highest in group 1 and the lowest in the control group (p: 0.001). The clinical severity was statistically different between the groups (p: 0.038). Accordingly, the majority of the clinical severity of group 1 was determined in grades 3 and 4. A weak positive correlation was found between the arachnoid cyst size on MRI and the ONSD measurement (r = 0.410, p = 0.047). The ONSD value statistically significantly increased with clinical severity in group 1 (p: 0.003).
CONCLUSION: The reliability of the optic nerve sheath diameter (ONSD) measurements in determining the increase of the intracranial pressure was shown in previous studies. This is the first study in the literature presenting that the intracranial pressure effects of arachnoid cysts can be demonstrated by ONSD. We have considered that arachnoid cysts detected in headaches can create a compression effect and cause the pain to intensify.