Table 1.
RegiSCAR scoring system for classifying cases of DRESS [7].
| Score | −1 | 0 | 1 | 2 |
|---|---|---|---|---|
| Fever > 38.4 | No | Yes | ||
| Enlarged lymph nodes | No | Yes | ||
| Eosinophilia | No | 0.7–1.499 × 10−9/L | >1.5 × 10−9/L | |
| Atypical lymphocytes | No | Yes | ||
| Skin rash > 50% body surface area | No | Yes | ||
| Skin rash suggesting DRESS | No | Yes | ||
| Biopsy suggesting DRESS | No | Yes | ||
| Organ involvement | No | 1 organ | 2 or more organs | |
| Resolution > 14 days | No | Yes | ||
| Evaluation of other potential causes (>2 negative of ANA, blood culture, hepatitis A/B/C, and chlamydia/mycoplasma) | Yes |
Score: <2 no case, 2-3 possible case, 4-5 probable case, >5 definite case. The diagnostic criteria met by this case are highlighted in italics, totaling a score of 5. If the enlarged lymph nodes and cardiac involvement are taken to be as a result of DRESS, the score rises to 7.