๐Ÿ—‚ ็ธฝ็›ฎ้Œ„ ๏ฝœ ๐Ÿ“– ่‹ฑๆ–‡ๅŽŸๆ–‡๏ผˆๆœฌ็ฏ‡๏ผ‰ ๏ฝœ ๐Ÿ“ ๅฎŒๆ•ด็ฟป่ญฏ ๏ฝœ โญ ็ฒพ่ฏ็ญ†่จ˜

Introduction

Christine J. Ko and Jennifer M. McNiff Cutaneous Metastases 122

Key features

ย„Cutaneous metastases are uncommon and rarely may be the presenting sign of an internal malignancy

ย„In general, cutaneous metastases are associated with a poor prognosis

ย„In women, breast carcinoma and melanoma are the malignancies that most frequently metastasize to the skin

ย„In men, melanoma and carcinomas of the head and neck, lung, and colon are the malignancies that most frequently metastasize to the skin

ย„Among common malignancies, breast carcinoma is the most likely to metastasize to the skin

ย„The most common clinical presentation for a cutaneous metastasis is a firm, painless, erythematous nodule

ย„Cutaneous metastases may arise in the anatomic vicinity of the primary cancer

ย„Cutaneous metastases typically have histologic features similar to, but not necessarily identical to, those of the primary malignancy

ย„Treatments include excision, chemotherapy, immunotherapy, and radiotherapy; the latter is often administered for palliation