Amyloidoma of a spinal root

Neurology. 2003 Sep 23;61(6):834-6. doi: 10.1212/01.wnl.0000081048.42625.7a.

Abstract

A unique case of amyloidoma presenting as a dumbbell-shaped tumor of a spinal root without bony erosion is described. Amyloid was also present in the facial nerve. DNA analysis for transthyretin was negative. Isolated amyloid fibers contained lambda light chains, and although plasma and urine immunoelectrophoresis performed by immunofixation was normal, it is possible the tumor may have been derived from an isolated plasmacytoma.

Publication types

  • Case Reports

MeSH terms

  • Amino Acid Sequence
  • Amyloidosis / complications
  • Amyloidosis / diagnosis
  • Amyloidosis / pathology*
  • Amyloidosis / surgery
  • Cervical Vertebrae / surgery
  • Decompression, Surgical
  • Diagnostic Errors
  • Facial Nerve Diseases / pathology
  • Facial Nerve Diseases / surgery
  • Facial Paralysis / etiology
  • Humans
  • Hypesthesia / etiology
  • Immunoglobulin lambda-Chains / chemistry
  • Laminectomy
  • Male
  • Middle Aged
  • Molecular Sequence Data
  • Multiple Sclerosis / diagnosis
  • Nerve Compression Syndromes / diagnosis
  • Nerve Compression Syndromes / etiology*
  • Nerve Compression Syndromes / surgery
  • Sequence Homology, Amino Acid
  • Spinal Nerve Roots / pathology*
  • Trigeminal Nerve / physiopathology

Substances

  • Immunoglobulin lambda-Chains