Interesting ImagesSinus Tarsi Syndrome on Bone Scintigraphy With SPECT/CT Spectrum of FindingsMartineau, Patrick PhD, MDCM, FRCPC∗,†; Pelletier-Galarneau, Matthieu MD, MSc‡,§Author Information From the ∗Department of Radiology, University of Manitoba, Winnipeg, Manitoba †BC Cancer Agency, Vancouver, British Columbia ‡Department of Medical Imaging, Montreal Heart Institute, Montreal, Quebec, Canada §Gordon Center for Medical Imaging, Massachusetts General Hospital, Harvard Medical School, Boston, MA. Received for publication May 22, 2020; revision accepted September 28, 2020. Conflicts of interest and sources of funding: none declared. Correspondence to: Patrick Martineau, PhD, MDCM, FRCPC, Department of Functional Cancer Imaging, BC Cancer–Vancouver, 600 W 10th Ave, Vancouver, British Columbia, Canada V5Z 4E6. E-mail: [email protected]. Clinical Nuclear Medicine: February 2021 - Volume 46 - Issue 2 - p e103-e105 doi: 10.1097/RLU.0000000000003396 Buy Metrics Abstract Sinus tarsi syndrome is a common cause of hindfoot pain in adults; however, diagnosis on planar bone scintigraphy can be challenging. We present 3 cases of sinus tarsi syndrome, review the spectrum of imaging findings associated with sinus tarsi syndrome, and show the key role that SPECT/CT can play in its diagnosis. Copyright © 2020 Wolters Kluwer Health, Inc. All rights reserved.