Related Experiment Videos
Olfactory groove schwannoma--case report
Mamoru Murakami1, Tetsuya Tsukahara, Taketo Hatano
1Department of Neurosurgery, Kyoto National Hospital, Kyoto, Japan. Mamoru.Murakami@ma8.seikyou.ne.jp
Neurologia Medico-Chirurgica
|June 10, 2004
Summary
A rare olfactory groove schwannoma, a tumor near the olfactory nerve, was found in a 30-year-old man. This case highlights the importance of considering schwannomas in anterior skull base tumors.
Area of Science:
- Neurosurgery
- Oncology
- Pathology
Background:
- Olfactory groove schwannomas are rare tumors originating near the olfactory nerve.
- Headaches are a common presenting symptom for skull base tumors.
Purpose of the Study:
- To report a rare case of olfactory groove schwannoma.
- To discuss the potential origin and diagnostic challenges of these tumors.
Main Methods:
- A 30-year-old male patient with a 2-year history of intermittent headache underwent diagnostic imaging including CT and MRI.
- Tumor characteristics were assessed via angiography.
- Surgical resection and histological examination confirmed the diagnosis.
Main Results:
- Imaging revealed a 2.5 cm hypovascular tumor in the left anterior skull base with bone scalloping.
- Histological diagnosis confirmed a schwannoma.
- The tumor involved the olfactory bulb, suggesting origin from the fila olfactoria.
Conclusions:
- Schwannoma is a rare cause of anterior skull base tumors.
- Origin from the fila olfactoria is a likely etiology for olfactory groove schwannomas.
- Early diagnosis and surgical management are crucial for favorable outcomes.