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Table 2 Characteristics of patients with HLA-B27 positive CRMO

From: Two phenotypes of chronic recurrent multifocal osteomyelitis with different patterns of bone involvement

No.

Gender

Sacroiliitis

Spine

CRMO subtype

FCP (μg/g)

ASCA/ANCA

Family history

Co-morbidity

1.

F

no

yes

bone limited

<  50

ASCA positive

negative

none

2.

F

no

yes

complex

350

ASCA positive

I.IBD

IBD (CD), HSP, uveitis

3.

F

yes

no

complex

187

ASCA bordeline

negative

arthritis, sacroiliitis

4.

M

no

yes

bone limited

<  50

negative

negative

none

5.

F

no

yes

bone limited

125

negative

II.IBD

none

6.

F

no

yes

complex

230

negative

I. Coeliac disease, II.IBD

coeliac disease

  1. Abbreviations: ANCA anti-neutrophil cytoplasmic antibody, ASCA anti-Saccharomyces cerevisiae antibody, CD Crohn disease, CRMO chronic recurrent multifocal osteomyelitis, FCP foetal calprotectin, I first-degree relative, II second-degree relative, HLA-B27 human leucocyte antigen B27, HSP Henoch-Schőnlein purpura, IBD inflammatory bowel disease