Facial Nerve Schwannoma of Parotid Gland: Difficulties in Diagnosis and Management

Figure 3

(a) Lesion was forming wavy fiber structures in edematous stroma in hypocellular areas. (b) Lesion had positive reaction with S-100 in immunohistochemical examination (a: Hematoxylin-Eosin X200, b: BSA-DAB X100).

(a)

(b)