Correlation between the accessory anterolateral talar facet, bone marrow edema, and tarsal coalitions

  • Josephina A. VossenEmail author
  • Mashya Abbassi
  • Yanjun Qian
  • Curtis W. Hayes
  • Peter J Haar
  • Kevin B Hoover
Scientific Article



The purposes of this study was to determine the prevalence of the accessory anterolateral talar facet (AALTF); to evaluate the relationship between AALTF, focal abutting bone marrow edema (FABME), and sinus tarsi edema; and to study the prevalence of tarsal coalitions in patients with the AALTF utilizing ankle MR images.

Materials and methods

5-T ankle MR images were reviewed for the presence of AALTF, FABME, sinus tarsi edema, tarsal coalition, and location and type of coalition (cartilaginous, fibrous, and osseous). Multivariate analysis was performed to examine the correlation between AALTF and the other variables.


Three hundred ninety-one consecutive patients were included (age range 5–86 years; mean age 45 years). An AALTF was present in 3.6% (14/391) of patients. The AALTF prevalence was 2% in women and 6.6% in men. There was a significantly association between AALTF and FABME (9/14, p < 0.05), sinus tarsi edema (13/14, p < 0.05), and tarsal coalition (4/14, p < 0.05).


AALTF is relatively often detected on MRI of the ankle and significantly associated with BME, sinus tarsi edema, and subtalar coalition. Patients with a tarsal coalition should be evaluated for the concurrent presence of an AALTF.


Accessory anterolateral talar facet Coalition Hindfoot Focal abutting bone marrow edema Sinus tarsi edema 



The authors wish to thank Scott Calcaterra for the assistance with the medical illustration.

Compliance with ethical standards

Conflict of interest

The authors declare that they have conflict of interest.

IRB statement

This study received institutional review board approval and complied with HIPAA guidelines.


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Copyright information

© ISS 2019

Authors and Affiliations

  1. 1.Department of Radiology; Division of Musculoskeletal Imaging and InterventionVirginia Commonwealth University Medical CenterRichmondUSA
  2. 2.Department of RadiologyBoston University School of MedicineBostonUSA
  3. 3.Department of Statistical Sciences and Operations ResearchVirginia Commonwealth UniversityRichmondUSA

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