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Field Cancerisation — SCE Dermatology MCQ

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HardSkin CancerField CancerisationSCE Dermatology

A renal-transplant recipient has widespread scalp actinic keratoses, but one lesion has become rapidly enlarging, tender and indurated. What should precede field treatment?

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Correct answer: C — Biopsy the clinically suspicious lesion

A focal tender or indurated lesion in a field of actinic damage may already be invasive squamous cell carcinoma, particularly in an immunosuppressed patient. It requires histological assessment before a field-directed regimen that could obscure or delay the diagnosis.

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