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Sarcomatoid squamous cell carcinoma arising in a post-acupuncture keloid scar: a case report and literature review

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Keloids are benign fibroproliferative skin tumors that typically arise after cutaneous injuries, such as surgical incisions, burns, lacerations, tattoos, or infections. Malignant transformation of keloids is exceedingly rare, with only sporadic reports of squa... ...