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Skin Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Basal Cell Carcinoma of the Skin Treatment

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A Cochrane Collaboration systematic review found no randomized trials comparing this treatment method with other approaches.[1] In a large, single-center case series of 2,314 previously untreated BCCs managed at a major skin cancer unit, the 5-year recurrence rate of BCCs of the neck, trunk, and extremities was 3.3%. However, rates increased substantially for tumors larger than 6 mm in diameter at other anatomic sites.[16][Level of evidence 3iiiDii]

Cryosurgery

Cryosurgery may be considered for patients with small, clinically well-defined primary tumors. It is infrequently used for the management of BCC, but may be useful for patients with medical conditions that preclude other types of surgery.

Contraindications include abnormal cold tolerance, cryoglobulinemia, cryofibrinogenemia, Raynaud disease (in the case of lesions on hands and feet), and platelet deficiency disorders. Additional contraindications to cryosurgery include tumors of the scalp, ala nasi, nasolabial fold, tragus, postauricular sulcus, free eyelid margin, upper lip vermillion border, lower legs, and tumors near nerves. Caution should also be used before treating nodular ulcerative neoplasia more than 3 cm in diameter, carcinomas fixed to the underlying bone or cartilage, tumors situated on the lateral margins of the fingers and at the ulnar fossa of the elbow, or recurrent carcinomas following surgical excision.

Edema is common following treatment, especially around the periorbital region, temple, and forehead. Treated tumors usually exude necrotic material after which an eschar forms and persists for about 4 weeks. Permanent pigment loss at the treatment site is unavoidable, so the treatment is not well suited to dark-skinned patients. Atrophy and hypertrophic scarring have been reported as well as instances of motor and sensory neuropathy.

As noted in the section above on radiation therapy, a small 93-patient trial comparing cryosurgery to radiation therapy, with only 1 year of follow-up, showed a statistically significant higher recurrence rate with cryosurgery than radiation (39% vs. 4%).[15]

In a small, single-center, randomized study, 88 patients were assigned to either cryosurgery in two freeze-thaw cycles or PDT using delta-aminolevulinic acid as the photosensitizing agent and 635 nm wavelength light with 60 J/cm2 energy delivered by Nd:YAG laser versus cryosurgery in two freeze-thaw cycles.[17] Overall clinical efficacy was similar in evaluable lesions at 1 year (5/39 recurrences for cryosurgery vs. 2/44 recurrences for PDT), but more re-treatments were needed with PDT to achieve complete responses.[17][Level of evidence 1iiD] Cosmetic outcomes favored PDT (93% good or excellent after PDT vs. 54% after cryosurgery, P < .001). In another randomized study of 118 patients, reported in abstract form only, cryosurgery was compared with PDT with methyl aminolevulinic acid.[18,19] Tumor control rates at 3 years were similar (74%), but cosmetic outcomes were better in the PDT group. These cryosurgery-PDT comparisons were reported on a per-protocol basis rather than an intent-to-treat basis.[18,19][Level of evidence 1iiDiv]

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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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