RT Book, Section
A1 Breed, Meghan
A1 Fitch, Robert Warne
A2 Knoop, Kevin J.
A2 Stack, Lawrence B.
A2 Storrow, Alan B.
A2 Thurman, R. Jason
SR Print(0)
ID 1181041939
T1 Scaphoid Fracture
T2 The Atlas of Emergency Medicine, 5e
YR 2021
FD 2021
PB McGraw-Hill
PP New York, NY
SN 9781260134940
LK accessmedicine.mhmedical.com/content.aspx?aid=1181041939
RD 2024/04/22
AB The  scaphoid  is  the  most  common  carpal  bone  fractured.  Injuries  result  from  either  a  fall  on  an  outstretched  dorsiflexed  hand  or  an  axial  load  along  the  thumb’s  metacarpal.  Misdiagnosis  of  a  scaphoid  fracture  can  result  in  delayed  healing  or  avascular  necrosis  due  to  lack  of  a  direct  blood  supply  to  the  bone’s  proximal  portion.  Tenderness  on  anatomic  snuffbox  palpation  is  common.  Exam  of  the  wrist  in  ulnar  deviation  exposes  more  of  the  scaphoid  to  palpation  within  the  snuffbox.  Eliciting  pain  in  this  area  when  the  patient  resists  supination  or  pronation  of  the  hand  or  pain  with  axial  pressure  directed  along  the  thumb’s  metacarpal  is  also  suggestive  of  injury.  Negative  radiographs  do  not  rule  out  an  occult  scaphoid  fracture.