Table 3 Differential diagnosis of plasma cell neoplasms with paraneoplastic manifestations12, 13, 14, 15

From: Bone marrow findings of the newly described TEMPI syndrome: when erythrocytosis and plasma cell dyscrasia coexist

 

Clonal PCs

Light chain

Heavy chain

Ht

WBC

Epo

Other symptoms

TEMPI

5%

κ > λ

IgG >> IgA

↑

nl

↑↑

Telengiectasias, perinephric fluid, intrapulmonary shunting

POEMS

<10%

λ >> κ

IgG >> IgA

↑/nl

nl

↓

Neuropathy, organomegaly, endocrinopathy, skin pigment and hair changes

Schnitzler

5%

κ > λ

IgM

↓

↑

?

Chronic urticaria, Angioedema, arthralgia, bone lesions, leukocytosis, organomegaly