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Figure 1: The smears from a 91-year-old male patient with a left parotid cystic mass showed abundant debris, inflammation, and rare atypical squamous cells with deep orangeophilic cytoplasm (a and b, Papanicolaou, ×400). The primary pathologist interpreted the smears as “inflammation and negative.” The follow-up surgical resection was well-differentiated squamous cell carcinoma

Figure 1: The smears from a 91-year-old male patient with a left parotid cystic mass showed abundant debris, inflammation, and rare atypical squamous cells with deep orangeophilic cytoplasm (a and b, Papanicolaou, ×400). The primary pathologist interpreted the smears as “inflammation and negative.” The follow-up surgical resection was well-differentiated squamous cell carcinoma