Accidental Diagnosis of Multiple Myeloma in a 44-Year-Old White Woman due to Erroneous Results via Chemical Analyzers

Bashiti, Ola MLS(ASCP)CM

¹St. Vincent's Medical Center, University of North Florida, Jacksonville, FL

^*To whom correspondence should be addressed.[email protected]

[email protected]

Laboratory Medicine 47(1):p e5-e11, February 2016. | DOI: 10.1093/labmed/lmv011

CLINICAL HISTORY

Patient:

44-year-old white woman.

Chief Complaints:

Cramping, nausea, shortness of breath, visual disturbances (“seeing yellow dots”).

Medical History:

Status asthmticus, tobacco use, hypertension, migraines.

Principle Laboratory Findings:

Tables 1-7, Figures 1-4.

Table 1 Chemical Analysis Using Direct Potentiometry
Open multimedia modal

Table 2 Chemical Analysis Using Indirect Potentiometry
Open multimedia modal

Table 3 Protein and Albumin Results.
Open multimedia modal

Table 4 Protein Quantification for Patient Serum Electrophoresis
Open multimedia modal

Table 5 Complete Blood Count for Patient's Blood
Open multimedia modal

Table 6 Immunoglobulin Quantification
Open multimedia modal

Table 7 Types of Monocolonal Gammopathy, Including Multiple Myeloma
Open multimedia modal

Figure 1
Open multimedia modal
Serum protein electrophoresis pattern for normal control, abnormal control, and specimen from the patient, a 44-year-old white woman.

Figure 2
Open multimedia modal
Normal densitometric tracing.

Figure 3
Open multimedia modal
Densitometric tracing in the patient, a 44-year-old white woman.

Figure 4
Open multimedia modal
Immunofixation electrophoresis results in the patient, a 44-year-old white woman. SP indicates serum protein; G, Immunoglobulin G; A, Immunoglobulin A; M, Immunogobulin M.

Copyright © Oxford University Press 2015

View full text|Download PDF