Correction to: Clinical Rheumatology

https://doi.org/10.1007/s10067-020-05044-0

The authors regret that the original published version of the above article contained errors. The authors requested that these be noted and that the original paper remains unchanged.

The authors’ first affiliation should be presented as “Department of Connective Tissue Diseases, National Hospital Organization Tokyo Medical Center, 2-5-1 Higashigaoka, Meguro-ku, Tokyo, 152-8902 Japan”.

Figure 1 image was incorrect, and in Fig. 4 panel b, a typo error was present, “ANDs” should have been “AND”. The corrected figures are now presented correctly as follows:

Fig. 1
figure 1

T2 FLAIR MRI image, day 2. AT2 FLAIR MRI image showed a high signal in the subarachnoid space over the frontal and parietal lobes. FLAIR MRI, fluid-attenuated inversion recovery magnetic resonance imaging

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Fig. 4
figure 2

Flow diagram of the systematic literature review on patients with RA in whom ACPA in the CSF was measured. a Search term: “rheumatoid meningitis.” b Search terms: “rheumatoid” AND (“leptomeningitis” OR “encephalitis” OR “meningoencephalitis”) AND “cerebrospinal fluid.” ACPA, anti-cyclic citrullinated peptide antibody; CSF, cerebrospinal fluid; RA, rheumatoid arthritis

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In the reference [15] of Table 1, the year “2014/2013” should have been “2013”.

Table 1 Review of cases of patients with RA in whom ACPA in the CSF was measured
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