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Cutaneous Metastasis — SCE Dermatology MCQ

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HardSkin CancerCutaneous MetastasisSCE Dermatology

A woman previously treated for breast carcinoma develops a sharply demarcated erythematous plaque over the breast. Biopsy shows malignant epithelial cells distending dermal lymphatic channels. Which pattern of cutaneous metastasis is present?

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Correct answer: A — Carcinoma erysipeloides

Carcinoma erysipeloides results from tumour emboli within dermal lymphatics and clinically resembles erysipelas or cellulitis. Carcinoma en cuirasse causes an indurated sclerodermoid plaque, while telangiectatic metastases are dominated by vascular-appearing papules and telangiectasia.

Reference: https://academic.oup.com/bjd/pages/bad-guidelines