Weight Bearing CT Imaging for Podiatry

Common Indications

Hallux Valgus

Assess rotation (pronation) of the 1st metatarsal.
Assess the position of the sesamoids and degenerative changes at the metatarsosesamoid joints.
Assess congruency and degenerative changes at the 1st MTP joint.

Midfoot Arthritis

Provide a clearer assessment of degenerative changes and joint space narrowing within the midfoot joints, which is normally impaired due to the natural overlap of adjacent midfoot bones viewed two-dimensionally with conventional radiography.¹

Lisfranc Injuries

Better characterize bony injuries.²
Evaluate the 3D Lisfranc joint complex under physiologic load.
Identify subtle Lisfranc injuries by effectively differentiating between stable and unstable Lisfranc injuries.³

Fractures

“A plain X-Ray in many cases will not show small fractures in their early stages of presentation. For this reason, they are often misdiagnosed and mistreated. A low dose Cone Beam CT scan of the foot is very valuable in these situations.”

David J. Soomekh, DPM
Sports Medicine & Reconstructive Foot & Ankle Surgery
Foot & Ankle Specialty Group, Beverly Hills, CA

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(1) Sripanich Y, Steadman J, Krähenbühl N, Rungprai C, Mills MK, Saltzman CL, Barg A. Asymmetric lambda sign of the second tarsometatarsal joint on axial weight-bearing cone-beam CT scans of the foot: preliminary investigation for diagnosis of subtle ligamentous Lisfranc injuries in a cadaveric model. Skeletal Radiol. 2020 Oct;49(10):1615-1621. doi: 10.1007/s00256-020-03445-5. Epub 2020 May 11. PMID: 32394072.
(2) Sripanich Y, Weinberg M, Krähenbühl N, Rungprai C, Saltzman CL, Barg A. Change in the First Cuneiform-Second Metatarsal Distance After Simulated Ligamentous Lisfranc Injury Evaluated by Weightbearing CT Scans. Foot Ankle Int. 2020 Nov;41(11):1432-1441. doi: 10.1177/1071100720938331. Epub 2020 Aug 20. PMID: 32819160.
(3) Lange, B., & Voldby, H. (2022, February 24). Webinar recap: WBCT scans of potentially unstable. CurveBeam AI. Retrieved March 30, 2023, from https://curvebeamai.com/webinars/webinar-recapwbct-scans-of-potentially-unstable-weberbser2-fractures/

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Common Indications

Fractures

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