Lesions with fatty components, such as lipoma, dermoid and lipomatous meningioma.
病变含有脂肪成分，如脂肪瘤、皮样囊肿和脂肪瘤样脑膜瘤。
2
Histologically, the resected tumor was composed of epithelioid cells, without vascular or lipomatous component, and was characterized by HMB45 positive on immunohistochemistry.