Also known as a buckle fracture. This is a compression fracture of a long bone, typically in children. This type of fracture usually occurs near the metaphysis. Both cortical margins are affected, but a discreet fracture line or trabecular disruption is not present. Minimal buckling of the cortex is present.

A	AP radiograph of the forearm. The typical appearance of a torus fracture with buckling of the cortical surface.

Links to online textbooks:

• Wheeless' Orthopedics: discussion of torus fractures

Links to online cases:

• South Bank University
• Netmedicine.com

References:

• Nimkin K, Spevak MR, Kleinman PK: Fractures of the hands and feet in child abuse: imaging and pathologic features Radiology. 1997 Apr;203(1):233-6.           [See related articles]
• Farbman KS, Vinci RJ, Cranley WR, Creevy WR, Bauchner H: The role of serial radiographs in the management of pediatric torus fractures Arch Pediatr Adolesc Med. 1999 Sep;153(9):923-5.           [See related articles]