Friday, April 30, 2010

Irregularities at the Base of the Proximal Phalanges

There can be cortical indistinctness at the base of the proximal phalanges in normal subjects that can mimic erosions seen in rheumatoid arthritis. These are not a reliable sign of early rheumatoid arthritis in the absence of juxtaarticular osteoporosis or changes in the metacarpal heads.

References

Stelling CB, Keats MM, Keats TE. Irregularities at the base of the proximal phalanges: false indicator of early rheumatoid arthritis. AJR Am J Roentgenol. 1982 Apr;138(4):695-8.

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