Intraoperative Touch Imprint Cytology of Brain Neoplasms: A Useful High-Diagnostic Tool in 93 Consecutive Cases; Differential Diagnoses, Pitfalls, and Traps

Figure 3

Metastatic breast carcinoma. In touch imprint cytology, highly cellular, of various shapes and sizes, with visible nucleoli, eccentrically located, hyperchromatic oval nuclei (a, b) H&E, ×400, (c, d) Papanicolaou stain, ×100, ×400. (e, f) paraffin section of the case diagnosed as metastatic breast carcinoma, NOS. A sharp demarcation between the carcinoma and the brain parenchyma is observed (H&E, ×100, ×400).