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| | eMedicine - Horner Syndrome : Article by Malvinder S Parmar, MB, MS, FRCPC, FACP |
 | | Horner syndrome may result from a lesion of the primary neuron; brainstem stroke or tumor or syrinx of the preganglionic neuron; trauma to the brachial plexus; tumors (eg, Pancoast) or infection of the lung apex; a lesion of the postganglionic neuron; dissecting carotid aneurysm; carotid artery ischemia; migraine; or middle cranial fossa neoplasm. |
 | | Horner syndrome may be associated with lesions in the hypothalamus, medulla, or upper cervical cord. |
 | | Horner syndrome may be caused by lesions in the sympathetic chain, superior cervical ganglion, or along the carotid artery resulting from a Pancoast tumor (eg, apical bronchial carcinoma), trauma, or, rarely, from carotid dissection or carotid artery blow out, sarcoidosis, or tuberculosis in the cervical lymph nodes. |
| www.emedicine.com /med/topic1029.htm (1633 words) |
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