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  Indian J Med Microbiol
 

Figure 5: (a) Physiological uptake in muscles of the head and neck, postsurgery. A 65-year-old gentleman, post right hemimandibulectomy for squamous cell carcinoma of the right buccal mucosa. Fluorodeoxyglucose positron emission tomography/contrast-enhanced computed tomography was done 3 years after surgery. Axial fused positron emission tomography/computed tomography image shows diffuse increased fluorodeoxyglucose uptake in the right lateral pterygoid muscle (arrow in a) and in right masseter muscle (arrowhead in c). Note the absence of any enhancing mass lesion in the contrast-enhanced computed tomography images in both the muscles (arrow in b and arrowhead in d). Physiological uptake in muscles of the head and neck, postsurgery. A 67-year-old gentleman, squamous cell carcinoma of the right buccal mucosa. Underwent right composite resection with forehead flap. Fluorodeoxyglucose positron emission tomography/contrast-enhanced computed tomography was done 6 months after the surgery. Axial positron emission tomography and fused axial and coronal positron emission tomography/computed tomography images show increased fluorodeoxyglucose uptake in hypertrophied left mylohyoid muscle (arrow in e, f and h). Note the absence of any enhancing mass lesion in the contrast-enhanced computed tomography images (arrowhead in g and i)

Figure 5: (a) Physiological uptake in muscles of the head and neck, postsurgery. A 65-year-old gentleman, post right hemimandibulectomy for squamous cell carcinoma of the right buccal mucosa. Fluorodeoxyglucose positron emission tomography/contrast-enhanced computed tomography was done 3 years after surgery. Axial fused positron emission tomography/computed tomography image shows diffuse increased fluorodeoxyglucose uptake in the right lateral pterygoid muscle (arrow in a) and in right masseter muscle (arrowhead in c). Note the absence of any enhancing mass lesion in the contrast-enhanced computed tomography images in both the muscles (arrow in b and arrowhead in d). Physiological uptake in muscles of the head and neck, postsurgery. A 67-year-old gentleman, squamous cell carcinoma of the right buccal mucosa. Underwent right composite resection with forehead flap. Fluorodeoxyglucose positron emission tomography/contrast-enhanced computed tomography was done 6 months after the surgery. Axial positron emission tomography and fused axial and coronal positron emission tomography/computed tomography images show increased fluorodeoxyglucose uptake in hypertrophied left mylohyoid muscle (arrow in e, f and h). Note the absence of any enhancing mass lesion in the contrast-enhanced computed tomography images (arrowhead in g and i)