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Retroperitoneal plexiform neurofibroma mimicking psoas abscesses

N Kalra1, O Vijayanadh, A Lal

  • 1Department of Radiodiagnosis, Postgraduate Institute of Medical Education and Research, Chandigarh, India. kalra@glide.net.in

Australasian Radiology
|July 20, 2005
PubMed

Insights

Retroperitoneal plexiform neurofibromas are rare in neurofibromatosis type I. This case highlights imaging findings of this tumor mimicking a psoas abscess.

Area of Science:

  • Oncology
  • Radiology
  • Genetics

Background:

  • Neurofibromatosis type I (von Recklinghausen's disease) is a genetic disorder.
  • Retroperitoneal tumors are uncommon in neurofibromatosis type I.
  • Plexiform neurofibromas can occur in the retroperitoneum.

Observation:

  • A rare case of retroperitoneal plexiform neurofibroma is presented.
  • The tumor mimicked a psoas abscess clinically.
  • Computed Tomography (CT) and Magnetic Resonance Imaging (MRI) were utilized.

Findings:

  • CT and MRI revealed characteristic findings of a retroperitoneal plexiform neurofibroma.
  • Imaging differentiated the neurofibroma from a typical psoas abscess.
  • Specific radiological features are discussed.

Implications:

  • Accurate diagnosis of retroperitoneal plexiform neurofibroma is crucial.
  • Understanding imaging findings aids in differential diagnosis.
  • This case contributes to the literature on rare manifestations of neurofibromatosis type I.

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