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Table 2 Number of pMN and sMN cases; causes of sMN

From: The value of PLA2R antigen and IgG subclass staining relative to anti-PLA2R seropositivity in the differential diagnosis of membranous nephropathy

pMN (number, %)

63 (72.4%)

sMN (number, %)

24 (27.6%)

Lupus nephritis

16

Lupus-like nephritis*

1

HCV infection + SLE

1

SLE + rheumatoid arthritis + Sjögren syndrome

1

Ulcerative colitis

1

HBV infection + Graves-Basedow disease

1

Non-differentiated collagenosis, crescentic IgA glomerulonephritis (probably IgA-vasculitis) and MN

1

Malignancy**

2

  1. *Renal limited disorder with “full house” positivity but without serological positivity and extrarenal manifestations of SLE
  2. **Malignancy: squamous cell carcinoma of the oral cavity in a male patient, and acute T-cell leukemia in a female patient