Subclinical peripheral neuropathy in patients with multiple myeloma before chemotherapy is correlated with decreased fingertip innervation density

Alyssa K. Kosturakis, Zijing He, Yan Li, Jessica A. Boyette-Davis, Nina Shah, Sheeba K. Thomas, Haijun Zhang, Elisabeth G. Vichaya, Xin Shelley Wang, Gwen Wendelschafer-Crabb, William R. Kennedy, Donald A. Simone, Charles S. Cleeland, Patrick M. Dougherty

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

Purpose: The goal in this study was to determine the incidence of subclinical neuropathy in treatment-naive patients with multiple myeloma (MM) with no history of peripheral neuropathy using quantitative sensory tests (QSTs) and its correlation with innervation density of the extremities using noninvasive laser reflectance confocal microscopy.

Conclusion: Patients with MM commonly present with sensory and sensorimotor deficits before undergoing treatment, and these deficits seem to result from disease-related decreases in peripheral innervation density.

Patients and Methods: QST results were collected for 27 patients with a diagnosis of MM and compared with data collected from 30 age-and sex-matched healthy volunteers. Skin temperature, sensorimotor function (grooved pegboard test), and detection thresholds for temperature, sharpness, and low-threshold mechanical stimuli (von Frey monofilaments and bumps detection test) were measured. Meissner's corpuscle (MC) density in the fingertips was assessed using in vivo laser reflectance confocal microscopy.

Results: Patients showed a high incidence (> 80%) of ≥ one subclinical QST deficit. These included increased von Frey, bumps, and warmth detection thresholds as compared with healthy volunteers. Patients also showed increases in cold pain, sensorimotor deficits (grooved pegboard test), and higher overall neuropathy scores. MC density was significantly lower in patients than controls and showed significant inverse correlation with bumps detection threshold.

Original languageEnglish (US)
Pages (from-to)3156-3162
Number of pages7
JournalJournal of Clinical Oncology
Volume32
Issue number28
DOIs
StatePublished - Oct 1 2014

Fingerprint Dive into the research topics of 'Subclinical peripheral neuropathy in patients with multiple myeloma before chemotherapy is correlated with decreased fingertip innervation density'. Together they form a unique fingerprint.

Cite this