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cutaneous horn
Hyperkeratotic roof of papular skin lesion.
Cutaneous horns may overlie:
1) actinic keratosis
2) squamous cell carcinoma
3) wart
4) seborrheic keratosis
Prognosis:
1) 60% are benign
2) 23% associated with premalignant lesions (actinic keratosis)
3) 16% associated with malignancies (squamous cell carcinoma)
General
abnormal morphologic structure (malformation)
References
Medical Knowledge Self Assessment Program (MKSAP) 11, American
College of Physicians, Philadelphia 1998