报道15例经手术和病理证实的隐匿性脑血管畸形。由于病变血管内机化、血肿压迫血管、畸形血管团太小以及可能在出血过程中畸形血管被破坏等因素存在，故而这种血管畸形难以在一般脑血管造影检查时发现。CT、MR、DSA是术前诊断的重要依据。治疗主要采用手术方法。 Reported 15 cases of occult cerebral vascular malformations confirmed by surgery and pathology. Due to the pathogenesis of vascular endovascular, hematoma oppression of blood vessels, abnormal blood vessels too small and may be in the process of bleeding, abnormal blood vessels are destroyed and other factors exist, so this vascular malformations difficult to be found in the general cerebral angiography. CT, MR, DSA is an important preoperative diagnosis basis. The main treatment of surgical methods.