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Cleveland Clinic Journal of MedicineEruptive Seborrheic Keratosis: A Perilous Clue

This case of a 51-year-old man with a 1-month history of multiple eruptive seborrheic keratoses on his back and a single painless nodule on his chest exemplifies the importance of performing a thorough evaluation in patients presenting with sudden-onset eruptive seborrheic keratoses.