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World J Nucl Med. 2011 Jul;10(2):139-40. doi: 10.4103/1450-1147.89782.

Bone Scan "Hot Spot" at the Superior Lateral Orbital Margin Fronto-zygomatic Suture Uptake Characterized with Tc-99m MDP SPECT/CT.

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Department of Nuclear Medicine and PET, Singapore General Hospital, Singapore.


Findings of a solitary "hot spot" at the superior lateral orbital margin on bone scan scintigraphy is not uncommonly seen, and is often dismissed as a benign lesion. However, the exact etiology is indeterminate. We present two cases in which hybrid single photon emission computed tomography/computed tomography imaging was able to characterize and localize this uptake, demonstrating correlation to the right fronto-zygomatic suture.


Bone scan; SPECT/CT; fronto-zygomatic suture

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