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Clinical differential diagnosis of the ball SITE sign [a]
| Cupping (application of suction cups) |
| Dermatitis medicamentosa |
| Erythema annulare centrifugum |
| Erythema chronicum migrans |
| Erythema multiforme |
| Factitial dermatitis |
| Fixed drug eruption |
| Granuloma annulare |
| Gyrate erythemas |
| Insect bite reaction |
| Majocchi’s disease (purpura annularis telangiectoides) |
| Physical abuse |
| Tinea corporis |
| Urticaria |
The “ball SITE sign,” is the “ball sports-induced targetoid erythema sign.”
