The [[irregular sign]], [[black hole sign]], [[blend sign]] and early use of [[dehydration]] may be the main risk factors for [[hematoma expansion]] group, whereas early use of dehydration, high [[systolic blood pressure]], and low-density band may be the main risk factors for [[hematoma expansion]]
((Wei L, Lin C, Zhou Z, Zhang J, Tan Q, Zhang Y, Zhang B, Ye D, Wu L, Liu Q,
Xian J, Chen Z, Feng H, Zhu G. Analysis of different hematoma expansion shapes
caused by different risk factors in patients with hypertensive intracerebral
hemorrhage. Clin Neurol Neurosurg. 2020 Apr 12;194:105820. doi:
10.1016/j.clineuro.2020.105820. [Epub ahead of print] PubMed PMID: 32315941.
)).