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Metastatic pancreatic carcinoma to the orbital apex presenting as a superior divisional third cranial nerve palsy
Authors Pecen P, Ramey, Richard, Bhatti
Received 26 January 2012
Accepted for publication 27 February 2012
Published 23 November 2012 Volume 2012:6 Pages 1941—1943
Review by Single anonymous peer review
Peer reviewer comments 2
Paula E Pecen,1 Nicholas A Ramey,1 Michael J Richard,1 M Tariq Bhatti1,2
1Department of Ophthalmology, Duke University Eye Center, Durham, NC, USA; 2Department of Medicine (Division of Neurology), Duke University Medical Center, Durham, NC, USA
Abstract: Metastatic tumors to the orbit are rare, especially from a primary pancreatic carcinoma. A 59-year-old man presented with 4 weeks of right eye pain and eyelid swelling. There was right upper eyelid ptosis associated with a right supraduction deficit consistent with a superior divisional third cranial nerve (CN III) palsy. Magnetic resonance imaging revealed a right orbital apex lesion. A right orbital exenteration was performed for intractable and severe pain. Surgical pathology demonstrated a poorly differentiated carcinoma that was ultimately felt to be derived from the pancreas. In this report, we describe the clinical and neurological imaging findings of a superior divisional CN III palsy as the presenting manifestation of a presumed metastatic pancreatic carcinoma to the orbital apex, and review the neuroanatomy of CN III with particular emphasis on the anatomical bifurcation of the nerve into a superior and inferior division.
Keywords: orbital tumor, orbital metastasis, superior division, third cranial nerve palsy
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