Cervical Spinal Meningeal Melanocytoma Presenting as Intracranial Superficial Siderosis

Figure 5

Histopathological examination. (a) Diffusely pigmented tumor with peritheliomatous arrangement which obscured the cytological details (H and E 40x). (b) After bleaching, tumor had pleomorphic round to oval nuclei with inconspicuous nucleoli and moderate amount of cytoplasm (H and E 40x). (c) Tumor on higher magnification had mild nuclear pleomorphism, moderate to abundant cytoplasm with few containing blackish brown pigment. No significant increase in mitosis was seen (H and E 200x).

(a)

(b)

(c)