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NEUROLOGY 2004;63:2387-2389
© 2004 American Academy of Neurology
Brief Communications

Auditory agnosia caused by a tectal germinoma

Chun-Liang Pan, MD, Meng-Fai Kuo, MD, PhD and Sung-Tsang Hsieh, MD, PhD

From the Departments of Neurology (Drs. Pan and Hsieh) and Neurosurgery (Dr. Kuo), National Taiwan University Hospital, Taipei; and Department of Anatomy and Cell Biology (Dr. Hsieh), National Taiwan University College of Medicine, Taipei, Taiwan.

Address correspondence and reprint requests to Dr. Sung-Tsang Hsieh, Department of Anatomy and Cell Biology, National Taiwan University College of Medicine, 1 Jen-Ai Road, Sec. 1, Taipei 10018, Taiwan; e-mail: sthsieh{at}ha.mc.ntu.edu.tw Reprints are also available from Dr. Meng-Fai Kuo, e-mail: mfk{at}ha.mc.ntu.edu.tw

The authors describe a patient with auditory agnosia caused by a tectal germinoma. Despite having normal audiometric tests, the patient failed to recognize words and musical characters. On head MRI, the inferior colliculi were infiltrated by tumor. Neuropsychological tests revealed severe impairment in recognition of environmental sounds and words, defective musical perception, and stop consonant-vowel discrimination. Inferior colliculus may play a role in the analysis of sound properties.

Received June 14, 2004. Accepted in final form August 12, 2004.

Current address: C-L.P., Helen Wills Neuroscience Institute, University of California, Berkeley, CA 94720.




This article has been cited by other articles:


Home page
 NeurologyHome page
E. N. Simon, C.-L. Pan, and S.-T. Hsieh
Auditory agnosia caused by a tectal germinoma
Neurology, July 26, 2005; 65(2): 339 - 339.
[Full Text] [PDF]

Correspondence:

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Auditory agnosia caused by a tectal germinoma
Eileen Nicole Simon, PhD, RN
Neurology Online, 8 Mar 2005 [Full text]
Reply to Simon
Sung-Tsang Hsieh, et al.
Neurology Online, 8 Mar 2005 [Full text]

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