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The NOMS framework for decision making in metastatic cervical spine tumors

Bilsky, Mark Ha; Azeem, Syedb

Current Opinion in Orthopaedics:
doi: 10.1097/BCO.0b013e3280d942fc
Cervical spine
Abstract

Purpose of review: The question of whether to irradiate or operate may have significant consequences for successful palliation in terms of pain relief, neurologic function, and quality of life. This article reviews the relevant issues of decision making using a framework, NOMS, applied to the cervical spine.

Recent findings: At Memorial Sloan-Kettering Cancer Center, a decision framework is used to assess four fundamental considerations in decision making, NOMS: neurologic (N), oncologic (O), mechanical instability (M) and systemic disease and medical comorbidities (S). This framework provides a method to dissect complicated tumor issues into simple components and allows for the integration of new technologies. Currently, patients who have high-grade spinal cord compression (N) from radioresistant tumors (O) or demonstrate mechanical instability (M) are offered surgery followed by radiation. Patients with minimal or no spinal cord compression (N) and who are stable (M) are treated with radiation therapy. The evolution of surgical techniques has made decompression and instrumentation safer and more reliable.

Summary: The decision framework NOMS can be applied to issues relevant to decision making for the atlanto-axial and subaxial cervical spine in which they are distinct in terms of definitions of instability and indications for operation or radiation.

Author Information

aNew York Presbyterian Hospital – Weill-Cornell Medical Center, New York, USA

bLoyola University Medical Center, Neurosurgery Department, Maywood, Illinois, USA

Correspondence to Mark H. Bilsky, MD, Memorial Sloan-Kettering Cancer Center, Neurosurgery Service, 1275 York Avenue, New York, NY 10021, USA Tel: +1 212 639 8526; fax: +1 212 717 3137; e-mail: bilskym@mskcc.org

© 2007 Lippincott Williams & Wilkins, Inc.