2001
DOI: 10.1007/s002560100423
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Unilateral osteonecrosis in a patient with bilateral os centrale carpi: imaging findings

Abstract: The os centrale carpi is one of the accessory ossicles that have been described in the carpus. We report on the imaging findings of a rare case of unilateral osteonecrosis in a patient with bilateral os centrale carpi. The differential diagnosis of this entity and the suggested etiology for the development of osteonecrosis are discussed.

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Cited by 10 publications
(18 citation statements)
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“…In this regard, the relevance of the os styloideum [2,47] and lunula [52] has been previously discussed. More recently, the significance of the os carpi centrale has also been emphasized, and the utility of MR imaging in evaluating its appearance in a symptomatic patient has been shown [53].…”
Section: Carpal Accessory Ossiclesmentioning
confidence: 99%
“…In this regard, the relevance of the os styloideum [2,47] and lunula [52] has been previously discussed. More recently, the significance of the os carpi centrale has also been emphasized, and the utility of MR imaging in evaluating its appearance in a symptomatic patient has been shown [53].…”
Section: Carpal Accessory Ossiclesmentioning
confidence: 99%
“…Occasionally the os centrale persists into adult life as an isolated anatomical variant in the shape of a well-marginated independent bone or as an incompletely separated bony element with smooth contours (Greenspan and Gerscovich 1993). Although usually asymptomatic, the os centrale has been associated with painful clicking (Adolfsson 2000) and osteonecrosis (Lane et al 1990;Abascal et al 2001). The major clinical concerns, however, remain its differentiation from a scaphoid fracture in the acute stage (Yang et al 1994) and the possible superimposition of osteoarthritic changes in the chronic stage (Lane et al 1990).…”
Section: Radiographic Synopsismentioning
confidence: 99%
“…The major clinical concerns, however, remain its differentiation from a scaphoid fracture in the acute stage (Yang et al 1994) and the possible superimposition of osteoarthritic changes in the chronic stage (Lane et al 1990). An acute scaphoid fracture shows noncorticated sharp or irregular margins, whereas an old scaphoid fracture may show cyst-like formation or patchy decalcification along the fracture line (Abascal et al 2001). An expanded differential diagnosis also includes the bipartite scaphoid and the rare instances of dysplasia epiphysealis hemimelica involving the hand.…”
Section: Radiographic Synopsismentioning
confidence: 99%
“…Ενα ωοειδές µόρφωµα, ραχιαία, στην περιοχή προβολής του κεντρικού οσταρίου του καρπού µπορεί να αντιστοιχεί σε ένα προσχηµατισµένο κεντρικό οστό του καρπού αλλά µπορεί να είναι και µια επασβεστωµένη θυλακιώδης µεµβράνη (42) . Έχει περιγραφεί περίπτωση µονόπλευρης οστεονέκρωσης κεντρικού οσταρίου σε ασθενή µε αµφοτερόπλευρη παρουσία του οσταρίου (47) .…”
Section: επικουρικα οσταρια του χεριουunclassified
“…Οι Trolle (1948) (47) και ο O'Rahilly (1953) (1) Σε µικροσκοπικές τοµές από πεντακόσια πέλµατα, διακοσίων πενήντα εµβρύων, από την έκτη ως την εικοστή έβδοµη εβδοµάδα, ο Trolle (1948) (49) βρήκε σε περίπου 80%, προσχηµατισµένα επικουρικά οστάρια. Για παράδειγµα ο Trolle (1948) (49) δεν είδε ποτέ στα δικά του παρασκευάσµατα ένα επικουρικό τριγωνικό οστάριο (Os trigonum), αν και αυτό βρίσκεται στους ενήλικες σε ποσοστό µέχρι και 14%.…”
Section: επικουρικα οσταρια του πο∆ιουunclassified