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Spontaneous disappearance of a middle fossa arachnoid cyst associated with subdural hematoma |
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| Authors: | Tooru Inoue M.D. Toshio Matsushima M.D. Shizuka Tashima M.D. Masashi Fukui M.D. Kanehiro Hasuo M.D. |
| Affiliation: | Department of Neurosurgery, Neurological Institute and Department of Radiology, Faculty of Medicine, Kyushu University, Fukuoka, Japan |
| Abstract: | The case of a 7-year-old boy with a middle fossa arachnoid cyst that spontaneously disappeared is presented. Computed tomography (CT) scan revealed an arachnoid cyst in the right middle fossa with a thin subdural hematoma on the same side. As the subdural hematoma spontaneously resolved, the cyst became smaller and finally disappeared without surgical intervention after 18 months on the follow-up CT scans. Possible mechanisms of the spontaneous disappearance of an arachnoid cyst are discussed. |
| Keywords: | Author Keywords: Arachnoid cyst Middle fossa Spontaneous disappearance Subdural hematoma |
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