Toddler's fracture

Toddler's fracture

Infobox Disease
Name = PAGENAME


Caption =
ICD10 = ICD10|S|82|3|S|80
ICD9 = ICD9|823.2
ICDO =
MedlinePlus = 003180
eMedicineSubj = emerg
eMedicineTopic = 207
MeshID = D013978

Toddler's fractures or childhood accidental spiral tibial (CAST) fractures are bone fractures of the distal (lower) part of the shin bone (tibia) in toddler's (aged 9 months-3 years) and other young children (less than 8 years).cite journal |author=Mellick LB, Milker L, Egsieker E |title=Childhood accidental spiral tibial (CAST) fractures |journal=Pediatr Emerg Care |volume=15 |issue=5 |pages=307–9 |year=1999 |month=October |pmid=10532655 |doi= |url=] The fracture involves the distal third to distal half of the tibia, is undisplaced and has a spiral pattern. It occurs after low-energy trauma, sometimes with a rotational component.

Typical symptoms include pain, refusing to walk or bear weight and limping -bruising and deformity are absent. On clinical examination, there can be warmth and swelling over the fracture area, as well as pain on bending the foot upwards (dorsiflexion). The initial radiographical images may be inconspicuous (a faint oblique line) and often even completely normal.cite journal |author=Halsey MF, Finzel KC, Carrion WV, Haralabatos SS, Gruber MA, Meinhard BP |title=Toddler's fracture: presumptive diagnosis and treatment |journal=J Pediatr Orthop |volume=21 |issue=2 |pages=152–6 |year=2001 |pmid=11242240 |doi= |url=http://meta.wkhealth.com/pt/pt-core/template-journal/lwwgateway/media/landingpage.htm?issn=0271-6798&volume=21&issue=2&spage=152] After 1-2 weeks however, callus formation develops. The condition can be mistaken for osteomyelitis, transient synovitis or even child abuse. Contrary to CAST fractures, non-accidental injury typically affect the upper two-thirds or midshaft of the tibia.

Other possible fractures in this area, occurring in the cuboid, calcaneus, and fibula, can be associated or can be mistaken for a toddler's fracture.cite journal |author=Donnelly LF |title=Toddler's fracture of the fibula |journal=AJR Am J Roentgenol |volume=175 |issue=3 |pages=922 |year=2000 |month=September |pmid=10954515 |doi= |url=http://www.ajronline.org/cgi/pmidlookup?view=long&pmid=10954515] In some cases, an internal oblique radiography and radionuclide imaging can add information to anterior-posterior and lateral views.cite journal |author=De Boeck K, Van Eldere S, De Vos P, Mortelmans L, Casteels-Van Daele M |title=Radionuclide bone imaging in toddler's fracture |journal=Eur. J. Pediatr. |volume=150 |issue=3 |pages=166–9 |year=1991 |month=January |pmid=2044585 |doi= |url=] cite journal |author=John SD, Moorthy CS, Swischuk LE |title=Expanding the concept of the toddler's fracture |journal=Radiographics |volume=17 |issue=2 |pages=367–76 |year=1997 |pmid=9084078 |doi= |url=http://radiographics.rsnajnls.org/cgi/pmidlookup?view=long&pmid=9084078] However, since treatment can also be initiated in the absence of abnormalities, this appears to have little value in most cases. It could be useful in special cases such as children with fever, those without a clear trauma or those in which the diagnosis remains unclear.cite journal |author=Miller JH, Sanderson RA |title=Scintigraphy of toddler's fracture |journal=J. Nucl. Med. |volume=29 |issue=12 |pages=2001–3 |year=1988 |month=December |pmid=3193212 |doi= |url=http://jnm.snmjournals.org/cgi/pmidlookup?view=long&pmid=3193212] Recently, ultrasound has been suggested as a helpful diagnostic tool.cite journal |author=Lewis D, Logan P |title=Sonographic diagnosis of toddler's fracture in the emergency department |journal=J Clin Ultrasound |volume=34 |issue=4 |pages=190–4 |year=2006 |month=May |pmid=16615049 |doi=10.1002/jcu.20192 |url=http://dx.doi.org/10.1002/jcu.20192]

Treatment consist of a long leg orthopedic cast for several weeks.

The proposed mechanism involves shear stress and lack of displacement due to the periosteum that is relatively strong compared to the elastic bone in young children.cite journal |author=Sarmah A |title='Toddler's fracture'? A recognised entity |journal=Arch. Dis. Child. |volume=72 |issue=4 |pages=376 |year=1995 |month=April |pmid=7763080 |pmc=1511261 |doi= |url=]

The condition was initially recognised by Dunbar and co-workers in 1964.cite journal |author=Dunbar JS, Owen HF, Nogrady MB, McLeese R |title=Obscure tibial fracture of infants -- the toddler's fracture |journal=J Can Assoc Radiol |volume=15 |issue= |pages=136–44 |year=1964 |month=September |pmid=14212071 |doi= |url=] A new terminology has been proposed, which defines toddler's fracture as a subset of childhood accidental spiral tibial (CAST) fractures.

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