Table 1 Characteristic staining patterns in the 9 tested sera
| Serum | Pattern and titer (HEp-2 from differential commercial sources) | Patient’s diagnosis |
|---|---|---|
| 1 | Golgi apparatus 1/640 | HCV-related liver disease |
| 2 | Golgi apparatus >1/640 | HCV-related liver disease |
| 3 | Endoplasmatic reticulum 1/320 | Myelodysplastic syndrome |
| 4 | Endoplasmatic reticulum 1/640 | HCV-related liver disease |
| 5 | Endoplasmatic reticulum 1/160 | Non-Hodgkin’s lymphoma |
| 6 | Lysosomes/endosomes >1/640 | Rheumatoid arthritis |
| 7 | Lysosomes/endosomes 1/320 | Rheumatoid arthritis |
| 8 | Lysosomes/endosomes 1/320 | Undifferentiated polyarthritis |
| 9 | Lysosomes/endosomes1/160 | Undifferentiated connective tissue disease |