Metastatic lung cancer in the cerebellopontine angles mimicking bilateral acoustic neuroma

Bilateral cerebellopontine angle (CPA) tumors identified on MRI are considered bilateral acoustic neuromas, the definitive diagnostic criterion of neurofibromatosis 2 (NF-2). We report the case of a 67-year-old man with progressive bilateral hearing loss, vertigo, and imbalance. MRI revealed bilater...

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Bibliographic Details
Published in:Journal of clinical neuroscience 2005-02, Vol.12 (2), p.184-186
Main Authors: Hariharan, Subramanian, Zhu, Jianhua, Nadkarni, Mangala A., Donahue, John E.
Format: Article
Language:English
Subjects:
acoustic neuroma
Adenocarcinoma - secondary
Aged
Brain Neoplasms - secondary
brain tumor
cerebellopontine angle
Cerebellopontine Angle - pathology
Diagnosis, Differential
hearing loss
Humans
Lung Neoplasms - pathology
Magnetic Resonance Imaging
Male
metastasis
neurofibromatosis 2
Neuroma, Acoustic
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Summary:Bilateral cerebellopontine angle (CPA) tumors identified on MRI are considered bilateral acoustic neuromas, the definitive diagnostic criterion of neurofibromatosis 2 (NF-2). We report the case of a 67-year-old man with progressive bilateral hearing loss, vertigo, and imbalance. MRI revealed bilateral enhancing CPA lesions, which were suggestive of acoustic neuromas and a diagnosis of NF-2. However, autopsy showed metastatic adenocarcinoma of the lung. Therefore, metastatic carcinoma to the CPA can mimic bilateral acoustic neuromas; imaging studies alone may be insufficient to diagnose NF-2.
ISSN:0967-5868
1532-2653
DOI:10.1016/j.jocn.2004.03.028