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Figure 1: Example of false positive positron emission tomography/ computed tomography (PET/CT). (a) Clinical photograph of the patient depicting a large neck metastasis on the left side. (b) CT scan neck, axial section showing a large heterogeneous neck swelling on the left side. Endolarynx and pyriform sinuses are looking normal. (c) PET/CT showing intense uptake in left pyriform sinus. (d) Endoscopic picture with normal endolarynx and pyriform sinuses

Figure 1: Example of false positive positron emission tomography/ computed tomography (PET/CT). (a) Clinical photograph of the patient depicting a large neck metastasis on the left side. (b) CT scan neck, axial section showing a large heterogeneous neck swelling on the left side. Endolarynx and pyriform sinuses are looking normal. (c) PET/CT showing intense uptake in left pyriform sinus. (d) Endoscopic picture with normal endolarynx and pyriform sinuses