18. 當懷疑有light chain disease 時, 請問何項為確定診斷敏感度最高(1-4)及判斷預後(5-6) ? (1)Serum protein electrophoresis (2)24hr Urine protein electrophoresis (3)Immunofixation (4)Serum free light chain assay (5)Serum β-2 microglobulin (6)Serum albumin.
(A) (1)+(2)+(5)
(B) (2)+(5)+(6)
(C) (2)+(3)+(6)
(D) (4)+(5)+(6)
(E) (2)+(3)+(4)+(5)