Type of Preparation: ThinPrep/ LBP Magnification: High Clinical History: 64 year old woman Interpretation: Squamous cell carcinoma Cytomorphologic Criteria: "Litigation Cell"; shown as an example of single cell that can be missed or misclassified as "atypical parakeratosis". Explanatory Notes: When cells such as this are encountered a detailed assessment for other abnormal cells and the background features (diathesis) should be performed.