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A case of cavernous hemangioma in the internal auditory canal
A Fujino1, K Tokumasu, S Yoshio
1Department of Otorhinolaryngology, Kitasato University School of Medicine, Kanagawa, Japan.
Insights
A rare internal auditory canal cavernous hemangioma mimicked Ménière's disease. High-resolution computed tomography and magnetic resonance imaging are crucial for diagnosing these intracanalicular tumors.
Area of Science:
- Neurology
- Radiology
- Otolaryngology
Background:
- Cavernous hemangiomas are rare vascular malformations.
- Internal auditory canal tumors present diagnostic challenges.
Observation:
- A case of internal auditory canal cavernous hemangioma is presented.
- Clinical presentation and neurotological findings were nonspecific, resembling Ménière's disease.
- Radiological findings were key to diagnosis.
Findings:
- High-resolution computed tomography (HRCT) showed calcifications within the lesion.
- Magnetic resonance imaging (MRI) revealed low signal intensity on T1- and T2-weighted images.
- Combined HRCT and MRI findings aided in differentiating from other intracanalicular tumors.
Implications:
- This case highlights the importance of advanced imaging in diagnosing rare internal auditory canal lesions.
- Accurate radiological differentiation is essential for appropriate patient management.
- Understanding imaging characteristics aids in distinguishing hemangiomas from other tumors like acoustic neuromas.
Abstract:
A case of cavernous hemangioma in the internal auditory canal was reported. The chronology of this case was similar as one of Ménière's disease. The neurotological findings in this case were no specific findings to differentiate cavernous hemangioma from acoustic neurinoma. The high-resolution computed tomography (HRCT) revealed calcium stippling in the lesions, whereas magnetic resonance imaging (MRI) demonstrated a low signal intensity on both T1- and T2-weighted images. Comparison of HRCT and MRI findings is most useful for differential diagnosis of intracanalicular tumors.