False-Positive Bone Pitfall Lesion and Collateral Circulation

Author:

Moreau Aurélie1,Pretet Valentin1,Kryza David

Affiliation:

1. Centre Léon Bérard

Abstract

Abstract We report the case of a patient followed up for squamous cell carcinoma of the buccal floor with lymph node involvement. The initial staging PET/CT revealed bone foci that were not definitively pathological in the context of a regional collateral circulation secondary to a defibrillator. A new monitoring examination, conducted due to the rapid local progression, revealed a dissociated evolution of the bone uptake adjacent to the collateral circulation, some confirming false-positives, but one indicating a real metastasis. This case illustrates that bone uptakes without morphological lesions adjacent to a collateral circulation are not easily interpretable.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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