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Diagnosing Neoplastic Hematoma: Role of MR Perfusion

Jai Jai Shiva Shankar1, Namita Sinha2

  • 1Department of Diagnostic Imaging, Division of Neuroradiology, QE II hospital, Dalhousie University, 5743 Southwood Drive, B3H1E6, Halifax, NS, Canada. shivajai1@rediffmail.com.

Clinical Neuroradiology
|February 9, 2018
PubMed
Abstract

Insights

MR perfusion (MRP) effectively detects neoplastic hematomas in patients with intraparenchymal hematoma (IPH). Combining peripheral linear enhancement with increased cerebral blood flow (CBF) and volume (CBV) offers 100% accuracy.

Area of Science:

  • Neuroradiology
  • Neuro-oncology
  • Medical Imaging

Background:

  • Neoplastic hematomas can mimic other conditions on imaging, posing diagnostic challenges.
  • Magnetic Resonance Imaging (MRI) can be limited in differentiating neoplastic hematomas, especially large ones.
  • MR Perfusion (MRP) offers advanced insights into tissue vascularity.

Purpose of the Study:

  • To evaluate the diagnostic role of MR Perfusion (MRP) in identifying neoplastic hematomas within intraparenchymal hematomas (IPH).
  • To assess specific MRP parameters and enhancement patterns for neoplastic hematoma detection.
  • To determine the sensitivity, specificity, and predictive values of these parameters.

Main Methods:

  • Retrospective analysis of 116 patients with IPH who underwent MRP.
  • Evaluation of routine MRI, post-gadolinium MRI, and MRP parameters including cerebral blood volume (CBV) and cerebral blood flow (CBF).
  • Analysis of enhancement patterns (peripheral linear vs. nodular) and calculation of diagnostic performance metrics.

Main Results:

  • Increased CBF and CBV demonstrated high sensitivity (100%) and specificity (88.9%) for neoplastic hematoma.
  • Peripheral linear enhancement showed 100% sensitivity but lower specificity (28.6%).
  • The combination of peripheral linear enhancement with increased CBF and CBV achieved 100% sensitivity, specificity, PPV, and NPV.

Conclusions:

  • The combination of peripheral linear enhancement and increased CBF/CBV is a highly accurate method for diagnosing neoplastic hematomas in IPH.
  • This imaging approach shows promise in differentiating neoplastic from non-neoplastic hematomas.
  • Further validation in larger patient cohorts is warranted to confirm these findings.
Keywords:
Idiopathic intraparenchymal hematomaMRIMagnetic resonance perfusionNeoplastic HematomaNeoplastic hematoma

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