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

Figure 8

Meningioma. (a–c) Touch imprint cytology shows delicate chromatin with indistinct nucleoli, oval nuclei, and cytoplasmic pseudoinclusions and whorling (H&E, ×400). (d–f) Lobulated, nested, and whorled formations, fibrous connective tissue, and psammomatous calcifications are observed in histopathological sections (H&E, ×40, ×100, ×400).