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An APTw image example of a poor integrity parotid lesion and gland. A 45-year-old male was found with a small round lesion at the left parotid gland and a normal parotid gland of the right side on T1WI (A). On APTw image (B), both the lesion and parotid glands showed no APTw signal. Therefore, the integrity of the lesion and parotid glands were considered as score 1 and the APTw value could not be measured.
