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斑疹、丘疹、骨膜反应、结节、鳞状上皮、新月状溶骨性缺损、角栓、睑外翻、栗东、瘙痒、硬化
Keratoacanthoma is rapidly growing (weeks) dome-shaped warty nodule with central keratin crater on sun-exposed face/arms/hands in elderly, considered well-differentiated SCC variant. Treatment: complete excisional biopsy (to rule out SCC); cryotherapy; electrodessication/curettage; topical 5-FU/imiquimod; oral retinoids (for multiple/Grenz); monitor recurrence/metastasis; sun protection; follow-up dermatology/surgery.
Rapidly growing dome-shaped warty nodule; central keratin crater; sun-exposed; elderly
Sun damage + HPV/chemicals cause squamous proliferation (keratoacanthoma).
Excisional biopsy; cryotherapy/electrodessication; topical 5-FU/imiquimod
Sun protection; avoid trauma; treat early.
It is recommended to visit the Dermatology/Surgery department; an appointment can be booked on this platform before the visit.
Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.
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