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Larry L. Doss, MD
The University of New Mexico Cancer Center Albuquerque

JAMA. 1986;255(22):3115-3116.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

To the Editor.—

Unilateral anhidrosis, ptosis, and miosis are findings that may be caused by interruption of ipsilateral cervical sympathetic pathways, commonly referred to as Horner's syndrome. Frequently, patients with superior sulcus lung tumors (Pancoast's tumors) will present with Horner's syndrome due to compression or involvement of the cervical sympathetic pathways by tumor. Classically, patients will complain of chest wall or back pain secondary to skeletal invasion by lung tumor or ipsilateral shoulder or arm pain due to brachial plexus compression by tumor. Symptoms relating to Horner's syndrome may be subtle, and diagnosis is harder when patients are given narcotic analgesics to relieve tumor-associated pain and the narcotics mask the miosis seen with Horner's syndrome. Unilateral anhidrosis may be difficult to detect on examination (particularly in cold or temperate climates), even though the patient is aware of this symptom on hot days.

Report of a Case.—

Recently, I saw a . . . [Full Text PDF of this Article]

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