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Clinical features of LyP and pcALCL
| LyP | pcALCL | |
|---|---|---|
| Size | 5–10mm | >20mm |
| Number of lesions | Several to hundreds | Solitary or localized |
| Distribution | Trunk and limbs | Anywhere |
| Duration of lesions | 3–8 weeks | >12 weeks |
| Self-resolving | 100% | 28% (0–44%) |
| Extracutaneous disease | 0% | 13% (0–24%) |
