Comparative study of fractional CO2 laser and fractional CO2 laser-assisted drug delivery of topical steroid and topical vitamin C in macular amyloidosis

Macular amyloidosis (MA) represents a common variant of primary localized cutaneous amyloidosis. It has a characteristic female predominance; none of the treatment modalities described is either curative or uniformly effective in patients with macular amyloidosis. To determine the effect of fraction...

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Veröffentlicht in:Lasers in medical science 2018-05, Vol.33 (4), p.909-916
Hauptverfasser: Sobhi, Rehab Mohamed, Sharaoui, Iman, El Nabarawy, Eman Ahmad, El Nemr Esmail, Reham Shehab, Hegazy, Rehab Aly, Aref, Dina Hesham Fouad
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container_end_page 916
container_issue 4
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container_title Lasers in medical science
container_volume 33
creator Sobhi, Rehab Mohamed
Sharaoui, Iman
El Nabarawy, Eman Ahmad
El Nemr Esmail, Reham Shehab
Hegazy, Rehab Aly
Aref, Dina Hesham Fouad
description Macular amyloidosis (MA) represents a common variant of primary localized cutaneous amyloidosis. It has a characteristic female predominance; none of the treatment modalities described is either curative or uniformly effective in patients with macular amyloidosis. To determine the effect of fractional CO 2 laser in macular amyloidosis in comparison to fractional CO 2 laser-assisted drug delivery of topical steroids and topical vitamin C, the study includes 10 female patients with cutaneous macular amyloidosis aged between 20 and 62 years. Patients were treated with four sessions of fractional CO 2 laser with 4 weeks interval. Laser treatments were performed using fractional CO 2 laser with the following parameters (power 18 W, spacing 800 μm, dwell time 600 μs, stacking 3). The lesion is divided into three areas: area 1, treated by fractional laser only; area 2, treated by fractional laser followed by topical corticosteroid application under occlusion for 24 h; and area 3, treated by fractional laser followed by topical vitamin C serum application under occlusion for 24 h. All lesions were examined clinically and histologically before the therapy and 1 month after the end of the therapy to evaluate the degree of improvement. All treated areas show significant decrease in pigmentation score after treatment, significant drop in rippling ( P value
doi_str_mv 10.1007/s10103-018-2457-1
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All lesions were examined clinically and histologically before the therapy and 1 month after the end of the therapy to evaluate the degree of improvement. All treated areas show significant decrease in pigmentation score after treatment, significant drop in rippling ( P value &lt; 0.016), and improvement of lichenification; as regards the histological improvement, there was a significant decrease of the amyloid amount after treatment. As regards the amyloid amount, results show significant decrease in the amount of amyloid in all of the three treated areas. Area 2 reported the highest decrease in the amyloid amount followed by areas 1 and 3. One patient (10%) was highly satisfied by the treatment, 6 (60%) reported moderate degree of satisfaction, while only 3 (30%) reported mild satisfaction. Minimal complication occurred in the form of post-inflammatory hyperpigmentation in 1 patient. None of the patients suffered pain, ulceration, or infection. 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It has a characteristic female predominance; none of the treatment modalities described is either curative or uniformly effective in patients with macular amyloidosis. To determine the effect of fractional CO 2 laser in macular amyloidosis in comparison to fractional CO 2 laser-assisted drug delivery of topical steroids and topical vitamin C, the study includes 10 female patients with cutaneous macular amyloidosis aged between 20 and 62 years. Patients were treated with four sessions of fractional CO 2 laser with 4 weeks interval. Laser treatments were performed using fractional CO 2 laser with the following parameters (power 18 W, spacing 800 μm, dwell time 600 μs, stacking 3). The lesion is divided into three areas: area 1, treated by fractional laser only; area 2, treated by fractional laser followed by topical corticosteroid application under occlusion for 24 h; and area 3, treated by fractional laser followed by topical vitamin C serum application under occlusion for 24 h. All lesions were examined clinically and histologically before the therapy and 1 month after the end of the therapy to evaluate the degree of improvement. All treated areas show significant decrease in pigmentation score after treatment, significant drop in rippling ( P value &lt; 0.016), and improvement of lichenification; as regards the histological improvement, there was a significant decrease of the amyloid amount after treatment. As regards the amyloid amount, results show significant decrease in the amount of amyloid in all of the three treated areas. Area 2 reported the highest decrease in the amyloid amount followed by areas 1 and 3. One patient (10%) was highly satisfied by the treatment, 6 (60%) reported moderate degree of satisfaction, while only 3 (30%) reported mild satisfaction. Minimal complication occurred in the form of post-inflammatory hyperpigmentation in 1 patient. None of the patients suffered pain, ulceration, or infection. Fractional CO 2 alone can be used to improve the texture of macular amyloidosis. If used to assist the delivery of topical steroids and topical vitamin C, improvement can be highly increased.</abstract><cop>London</cop><pub>Springer London</pub><doi>10.1007/s10103-018-2457-1</doi><tpages>8</tpages></addata></record>
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subjects Amyloidosis
Ascorbic acid
Carbon dioxide
Carbon dioxide lasers
Clinical outcomes
Comparative studies
Corticosteroids
Dentistry
Drug delivery
Drug delivery systems
Dwell time
Hyperpigmentation
Inflammation
Lasers
Lesions
Medicine
Medicine & Public Health
Occlusion
Optical Devices
Optics
Pain
Patients
Photonics
Pigmentation
Quantum Optics
Review Article
Steroid hormones
Steroids
Therapy
Vitamin C
title Comparative study of fractional CO2 laser and fractional CO2 laser-assisted drug delivery of topical steroid and topical vitamin C in macular amyloidosis
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