Background: Mammary Paget's disease (MPD) with skin invasion is a rare condition that is often associated with an underlying malignancy. However, invasive MPD without malignancy is even rarer and often misdiagnosed. Case presentation: This report presents the case of a 56-year-old woman who presented with a progressively enlarging scaly erythematous plaque on her left nipple for 6 months. Dermoscopy and histopathological examination confirmed the diagnosis of invasive MPD, but radiological examination did not reveal any malignancy. Conclusion: Invasive MPD without malignancy is a rare but important entity to recognize. Awareness of this condition can help prevent overdiagnosis and unnecessary treatment.
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Kalisa et al. (2024) studied this question.
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