Volume 1, Case
15
Monteggia's Injury
Radiology Cases in Pediatric Emergency Medicine
Volume 1, Case 15
Lynette L. Young, MD
A 9 year old male fell off
a slide and landed on his outstretched left arm. He now presents to the
ED with pain in his left forearm and elbow. There is no history of head
trauma. He denies having a headache, and there is no nausea or vomiting.
His past medical history is unremarkable.
Exam: Vital signs T37, P76,
R20, BP110/73. He is alert and oriented but in obvious discomfort secondary
to left arm pain. Pupils are equal and reactive. His left clavicle, shoulder
and humerus are nontender. His left hand and wrist (including the anatomic
snuffbox) are also nontender. He is tender over the proximal aspect of
his left forearm. He is unable to flex, extend, supinate, or pronate at
his left elbow. He is able to move all his fingers well. Distally, he
is neurovascularly intact. Capillary refill time is 2 seconds. Radiographs
of his left forearm and elbow were obtained.
View radiographs.
Forearm
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here for a better picture
Elbow
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here for a better picture
There is an obvious mid-shaft
ulnar fracture. Do you see anything else wrong with the radiographs? Look
at the radiographs again.
What is your Dianosis?
Click
here for the answers to Case 15
Loren Yamamoto,
MD, MPH Associate Professor of Pediatrics University of Hawaii John A. Burns
School of Medicine loreny@hawaii.edu