Radiology, Vol 171, 415-417, Copyright © 1989 by Radiological Society of North America

ARTICLES

Morton neuroma: sonographic evaluation

RA Redd, VJ Peters, SF Emery, HM Branch and MD Rifkin
Department of Radiology, Brooke Army Medical Center, San Antonio, Texas.

One hundred consecutive patients with symptoms suggestive of Morton neuroma were examined with sonography, and 134 intermetatarsal masses were demonstrated. Forty-five patients underwent surgical exploration, which revealed Morton neuromas. The typical sonographic appearance is that of an ovoid, hypoechoic mass oriented parallel to the long axis of the metatarsals. Most masses were between the second and third or third and fourth metatarsals and seemed to produce symptoms when reaching a diameter of 5 mm.

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