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JOURNAL
OF
SPORTS SCIENCE &
MEDICINE
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Case report
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BILATERAL VOLLEYBALL-RELATED DEFORMITY OF THE LITTLE FINGERS: MALLET FINGER AND CLINODACTYLY MIMIC |
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Mustafa Uslu1, Kazim Solak1, Mustafa Ozsahin2 and Hakan Uzun3 |
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1Department of Orthopaedics and Traumatology, 2Department of Physical Medicine and Rehabilitation, and 3Department of Pediatrics, Duzce University School of Medicine, Duzce, Turkey |
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© Journal of Sports Science and Medicine (2011) 10, 227 - 229 |
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| ABSTRACT | |||
| A 14-year-old male high school volleyball player was seen to evaluate
right- and left-hand little-finger distal interphalangeal joint deformity
and pain. His symptoms began during his second season of competitive play.
The distal interphalangeal (DIP) joints of the little fingers flexed 20-30°,
and a 10-15° valgus deformity was seen at the same joints. Pain was relieved
with rest but returned immediately after playing volleyball, so plain radiographs
were obtained. The flexion and valgus deformity was obvious on plain radiographs
and through a clinical examination. Thus, a bilateral little-finger distal
phalanx base epiphysis injury was seen. This injury is characterized by
a biplanar Salter Harris physeal injury; type 5 on anteroposterior radiographs
and type 2 on lateral plain radiographs. The deformity occurred as a result
of competitive volleyball play. To our knowledge, this is the first reported
case of a bilateral biplanar physial injury of the base of distal phalanges
of the little fingers. Flexion and valgus deformities of DIP joints are
a result of repeated micro traumas around the physis.
Key words: Bilateral little-finger deformity, mallet finger, clinodactyly, volleyball sport injury, physis injury, hand pain. |
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