Dynamic Susceptibility Contrast Perfusion MRI

Above color maps are from MRI Dynamic Susceptibility Contrast Perfusion (DSCP) study of the patient with follow-up after resection and radiotherapy of the parieto-occipitally located Anaplastic Astrocytoma eight years ago. There is no recurrent tumor – only gliosis. Sometimes DSCP can help in characterization of the enhancement pattern of rest or recurrent tumor to differentiate if from radiation necrosis. This case has no contrast enhancement. Reason for this blog post is to mention this interesting MRI technique that I hope to expand on in the future.
What we see are the color maps representing:
TTP (Time To Peak) – that shows the regional distribution of arrival time of the bolus in the tissue
CBF (Cerebral Blood Flow)
CBV (Cerebral Blood Volume)
MTT (Mean Transit Time)

Dynamic Susceptibility Contrast-Enhanced
Perfusion and Conventional MR Imaging
Findings for Adult Patients with Cerebral
Primitive Neuroectodermal Tumors

Dynamic susceptibility contrast perfusion MR imaging in distinguishing malignant from benign head and neck tumors: A pilot study

Full Text (PDF)

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