Cord Topographical Anatomy and its Role in Evaluating Intramedullary Lesions

Publication date: November 2018

Source: Current Problems in Diagnostic Radiology, Volume 47, Issue 6

Author(s): James Andrew Spain, Scott Cressman, Horia Marin, Suresh C. Patel, John J. Corrigan, Brent Griffith

Intramedullary spinal lesions present a wide differential diagnosis including infectious, inflammatory, traumatic, ischemic, benign, or malignant neoplastic etiologies. Using knowledge of anatomy and physiology within the spinal cord, many similar appearing entities can be parsed into a prioritized differential. The purpose of this article is to review anatomy and pathophysiology of the spinal cord, with subsequent discussion of how this knowledge can be used to differentiate several similar appearing intramedullary pathologic processes. Discussion includes the pathophysiology, imaging findings, and clinical pearls of several intramural lesions including infarct, demyelinating lesions, traumatic injury, neoplasm, vascular malformation, and metabolic processes such as subacute combined degeneration.

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