答:病理学特征为心室腔内有大量粗大突起的肌小梁和与心室腔交通的深陷隐窝,组织学表现为隐窝表面覆以内皮细胞并与心外膜相延续。随着病程进展心脏逐渐扩大,类似于扩张型心肌病(DCM),发展到此阶段仍然可见扩大的心室腔内有大量粗大突起肌小梁和与心室腔交通深陷隐窝,在心脏超 A: Pathological features of the trachea with a large number of coarse protrusions trabecular and deep communication with the ventricular cavity recess, histological appearance of the crypt surface covered with endothelial cells and continued with the epicardial. As the course of progression of the heart gradually expanded, similar to dilated cardiomyopathy (DCM), to this stage can still be found in the enlarged ventricular cavity has a large number of thick trabecular and prominent traumatic convergence with the ventricular cavity recess in the heart super