Skip to main content
. Author manuscript; available in PMC: 2009 Jan 12.
Published in final edited form as: Am J Clin Pathol. 2008 Nov;130(5):702–711. doi: 10.1309/AJCPNS6K1CYJPDBA

Table 4.

Comparison of FLC Immunoquantitative Data

Patient/Diagnosis* Monoclonal Ig anti-FLC polyclonal antibodies anti-FLC monoclonal antibodies§


κ FLC λ FLC κ:λ FLC κ FLC# λ FLC# κ:λ #
FLC
1/AL IgGλ 1.1 10.9 0.10 0.6 27.7 0.02
2/MM IgGκ 4.1 0.6 6.83 6.6 6.2 1.06
3/AL IgGλ 1.2 1.9 0.63 1.3 50.5 0.03
4/AL IgGκ 12.1 1.6 7.56 18.1 19.9 0.91
5/AL BJPκ 101.0 0.2 505.0 141.5 4.1 34.51
6/AL IgGλ/BJPλ 0.8 40.0 0.02 1.3 43.3 0.03
7/MM IgGκ 68.1 0.26 261.9 27.2 2.8 9.71
8/MM/AL BJPκ 39.1 4.20 9.31 282.1 25.6 11.02
9/MM BJPλ 0.15 74.7 0.002 0.7 71.4 0.01
10/AL IgAλ 0.62 8.1 0.08 0.7 217.3 0.003
11/AL BJPλ 0.96 48.7 0.02 1.2 27.8 0.04
12/MM BJPκ 35.8 1.1 32.5 35.5 6.0 5.92
*

AL, AL amyloidosis; MM, multiple myeloma.

Based on immunofixation electrophoresis.

FREELITE™ anti-κ FLC and anti-λ FLC reagents.

§

anti-κ FLC (Fκ–C8) and anti-λ FLC (Fλ–G9) mAbs.

mg/L.

Normal values: κ, 3.3–19.4; λ, 5.71–26.3; κ:λ, 0.26–1.65.

#

Normal values: κ, 4.2–13.0; λ, 16.4–127.3; κ:λ, 0.07–0.28.