英语语法分析

Meningioangiomatosis is a rare, benign, hamartomatous lesion involving the cerebral cortex and leptomeninges.

脑膜血管瘤病是一种少见、良性的错构瘤，主要累及皮质及软脑膜。

Objective to study the clinicopathological and immunohistochemical features of ectopic hamartomatous thymoma (EHT), and to discuss its histogenesis.

目的探讨异位错构瘤性胸腺瘤的临床病理学特征、免疫学表型和组织发生。