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The Monoclonal Gammopathies of Renal Significance

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31 ago 2024
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Fig. 1

Diagnostic algorithm for AKI (12)
Diagnostic algorithm for AKI (12)

Fig. 2

Diagnostic algorithm for CKD (12)
Diagnostic algorithm for CKD (12)

Diagnostic criteria for multiple myeloma (11)

Criteria Definition
Sixty % 60 % plasma cell infiltration in bone marrow
Light chain FLC κ/λ ratio > 100
MRI > 1 focal bone lesion
Calcium Hypercalcemia > 2.75 mmol/l or > 0.25 mmol/l above upper limit of normal
Renal insufficiency Creatinine > 173 μmol/l or creatinine clearence < 40ml/min
Anemia Hb < 100 g/l or > 20g/l below lower limit of normal
Bone lesions ≥ 1 osteolysis on skeletal radiography: X-ray, CT or PET/CT

Interpretation of the determination FLC (1,2)

Parameter FLC κappa FLC λambda κ/λ ratio
Normal ratio 3,3 – 19,4 mg/l 5,5 – 26,3 mg/l 0,26 – 1,65
Monoclonal gammopathy increased normal/decreased increased
Monoclonal gammopathy normal/decreased increased decreased
Bi/oligoclonal diseases increased increased varied*
Polyclonal diseases increased increased normal
Renal injury increased increased slightly increased
Reference values – nephrological patients**

0,46 – 2.62 (45 – 59)

0.48 – 3.38 (30 – 44)

0.54 – 3.30 (< 30)

Bone marrow suppression decreased decreased normal
Lingua:
Inglese
Frequenza di pubblicazione:
3 volte all'anno
Argomenti della rivista:
Medicina, Medicina clinica, Medicina interna, Cardiologia