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← Mycosis Fungoides and Other Cutaneous T-Cell Lymphomas

HEALTH PROFESSIONAL · SOURCE READING

Photodynamic therapy

Source: Mycosis Fungoides and Other Cutaneous T-Cell Lymphomas Treatment (PDQ®)–Health Professional Version, National Cancer Institute.

Source updated: February 19, 2025 · Captured 2026-09-09.

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Context: Treatment of Stage III and Stage IV Mycosis Fungoides and Sézary Syndrome / Treatment Options for Stage III and Stage IV Mycosis Fungoides and Sézary Syndrome

Psoralen and ultraviolet A (PUVA) radiation therapy.[6-11]

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Psoralen and ultraviolet A (PUVA) radiation therapy.[6-11]

Therapeutic trials with PUVA have shown an 80% to 90% complete remission rate in patients, with those in early cutaneous stages achieving the best responses. PUVA may be used in conjunction with systemic treatment.[10] Continued maintenance therapy with PUVA at more protracted intervals is generally required to prolong remission duration.[6-8,10] PUVA combined with interferon alfa-2a is associated with a high response rate.[9,10]

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Narrowband ultraviolet B radiation.[12,13]

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Narrowband ultraviolet B radiation.[12,13]

Single-arm and retrospective comparisons confirm the efficacy of narrowband ultraviolet B with 80% to 90% complete remission rates, especially for patients with early cutaneous stages.[12,13]

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Narrowband ultraviolet B radiation.[12,13]

A Cochrane systematic review and meta-analysis compared PUVA with narrowband ultraviolet B radiation in 778 patients with early-stage mycosis fungoides (stage IA, IB, and IIA). Significantly higher complete responses were seen in patients treated with PUVA (73.8% vs. 62.2%; hazard ratio, 1.68; 95% confidence interval [CI], 1.02–2.76; P = .04). There were no significant differences in adverse effects.[11][Level of evidence B3]

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Extracorporeal photophoresis (ECP) alone [14-17] or in combination with TSEB.[18] ECP is particularly applicable for Sézary syndrome and erythrodermic mycosis fungoides.[17]

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Extracorporeal photophoresis (ECP) alone [14-17] or in combination with TSEB.[18] ECP is particularly applicable for Sézary syndrome and erythrodermic mycosis fungoides.[17]

In a retrospective analysis of 65 patients, with a median follow-up of 48 months, use of ECP in the first to third line of treatment yielded a longer median time-to-next treatment (TTNT) than other systemic options (P < .03).[17][Level of evidence C3]

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Preserved source evidence · Not medical advice