Plasmacytoma of the nasal cavity with lambda III amyloid deposition

Oron Eilam, Juris J. Liepnieks, Edward Weisberger, Merrill D. Benson

Research output: Contribution to journalArticle

6 Scopus citations


A patient presented with a large nasal plasmacytoma that involved the palate, ethmoid and maxillary sinuses and contained deposits of amyloid. Immunoglobulin (AL) amyloid was found in the tumor. Amyloid fibrils extracted from the resected tumor were found to contain lambda light chain protein. Complete sequence analysis identified the protein as lambda III immunoglobulin light chain. Evaluation of the patient failed to reveal any sign of systemic amyloidosis and three years of follow-up has shown no evidence of recurrence.

Original languageEnglish (US)
Pages (from-to)31-35
Number of pages5
Issue number1
StatePublished - Jan 1 1995


  • Lambda III light chain
  • Localized amyloidosis
  • Plasmacytoma
  • Upper respiratory tract

ASJC Scopus subject areas

  • Internal Medicine

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