Mycosis fungoides is the most common type of cutaneous T-cell lymphoma. There are a wide range of treatments for early-stage and advanced-stage mycosis fungoides. Photodynamic therapy (PDT) has emerged as a new treatment modality due to its safety and efficacy. The aim of this study was to investigate the safety and efficacy of PDT with methyl-aminolaevulinic acid (MAL) for the treatment of mycosis fungoides. Ten patients with mycosis fungoides were enrolled in this study. A 16.8% MAL cream was applied under occlusive dressing for 3 h. The lesion was irradiated at 37.5 J/cm2 with red light. The patients underwent two sessions of PDT at one-week intervals. Follow-up biopsy was performed 3 months after the last treatment. In case of partial response, treatment was repeated once a week until complete response. Seven patients had a good therapeutic response. Complete and partial responses were seen in 5 and 2 patients, respectively. During the follow-up period (8-31 months), 6 of the 7 patients remained in stable remission. The treatment was well-tolerated overall, and no patients discontinued the PDT due to pain. In conclusion, PDT with MAL is a fast, effective and well-tolerated treatment for unilesional mycosis fungoides.

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BackgroundNarrowband UVB (NBUVB) is currently used to treat early mycosis fungoides (MF). There are a number of reports on the efficacy and safety of NBUVB in Caucasians, but little data is available for Asians.ObjectiveThis study was designed to evaluate the effectiveness and safety of NBUVB for early stage MF in Korean patients.MethodsWe enrolled 14 patients (12 men, 2 women; age range, 10~64 years) with clinically and histologically proven MF. Three patients were stage IA, and the others were stage IB. The patients received NBUVB phototherapy three times a week. The starting dose was 70% of the minimal erythema dose and was increased in 20 percent increments if the previous treatment did not cause erythema. Clinical response, total number of treatments, total cumulative dose, duration of remission and side effects were investigated.ResultsEleven of 14 patients (78.6%) achieved complete remission within a mean of 15.36±5.71 weeks (range, 5~27 weeks), 31.0±7.4 treatments (range, 16~39 treatments) and a mean cumulative UVB dose of 31.31±12.16 J/cm2 (range, 11.4~46.8 J/cm2). Three of the 14 patients (21.4%) achieved a partial remission. After discontinuation of treatment, 6 of 11 patients (54.5%) with complete remission relapsed after a mean of 8.5±4.09 months. No serious adverse effects were observed except for hyperpigmentation (7/14, 50%).ConclusionOur data suggest that NBUVB therapy is safe and effective for the treatment of early stage MF in Korean patients.

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