Introduction:The treatment of cutaneous aging with fractional non-ablative lasers has been intensely studied in the last few years, yet the number of publications describing specific equipments is limited.
Objective: To describe patient and dermatologist satisfaction after treatment with the Lux 1540®laser.
Methods: Retrospective study of patients (n=16) who have undergone facial rejuvenation therapy with Lux 1540® laser. Photographic assessments were performed by a dermatologist not involved in the treatments. Patient satisfaction was analyzed before treatment and after three sessions. The study variables were spots, sagging, wrinkles, enlarged pores, telangiectasias, and general satisfaction.
Results: In the dermatologist''''''''s evaluation, good or excellent improvement was found in the majority of the patients, for all studied variables. Regarding the improvement in the patients'''''''' general appearance, 82% were rated good or excellent. Regarding patients'''''''' opinions, 63% expressed good to excellent general satisfaction.
Conclusions: Treating cutaneous aging with Lux 1540® laser yields satisfactory results and maybe a good option for patients that do not want or cannot undergo more aggressive treatments.

Keywords: LASERS, SKIN AGING, LASER THERAPY

Introduction: The use of fractional ablative lasers has optimized the results of photorejuvenation treatments by decreasing the number of complications and reducing the post-procedure recovery time.Methods: The authors evaluated a modification in the classic ablative resurfacing technique with CO2 laser, in which the operator has visual control of the fractioning, allowing healthy skin to be left alone between treated areas. Nine volunteers (aged 38-73), with moderate to severe photodamage, received visual fractioning in the perioral (three sessions) and periocular regions (two sessions). Photographic evaluations were conducted by two non-medical professionals, the operator physician, and the patients.Results: In the periorbicular region, four patients (44%) presented considerable improvement, and five (56%) moderate improvement. Of the four patients who underwent treatment of the perioral region, three (75%) reported considerable improvement and one (25%) reported moderate improvement. The photographic evaluation of the non-medical professionals was identical to patient-reported outcomes. In the physician''''''''s assessment for the perioral region, three (33%) presented considerable improvement and six (67%) had moderate improvement. For the perioral region, two presented moderate improvement and two had slight improvement. The skin fully recovered within 15-30 days, with erythema the most persistent symptom.Conclusion: The technique is a good option for the improvement of perioral and periorbicular wrinkles.

Keywords: SKIN AGING, LASER THERAPY, CO2 LASER

Tattooing has existed in humankind's culture since the onset of civilization. Tattoo removal attempts are also very ancient. The following current methods are reported for the removal of tattoos: dermabrasion, surgical excision, and laser procedures. The most commonly used lasers for tattoo removal are: QS-Nd:YAG (1,064 and 532nm), QS-Ruby (694nm) and QS-Alexandrite (755nm). The present review is aimed at studying the action mechanism of lasers for tattoo removal and the correct indication for each type of pigment, in addition to describing complications and the best manner of preventing them.

Keywords: LASERS; LASER THERAPY; TATTOOING.

Introduction: Acne is one of the most prevalent skin conditions, representing a constant challenge to dermatologists, especially in severe cases as nodulocystic acne, which can be resistant to medicament based treatment. Traditional therapy includes topical and oral drugs that are not always effective and often lead to bacterial resistance and side effects. The use of lasers in the treatment of inflammatory acne has increased lately due to the ease, clinical efficacy, and minimal side effects of this type of therapy. Objective: To evaluate the effects of fractional laser in patients with nodulocystic acne resistant to treatment with isotretinoin. Methods: Application of laser therapy sessions with Nd:YAP in 9 patients. Assessment of the degree of patient satisfaction and comparison of photographs taken before and after treatment by dermatologists not linked to the study. Results: Average reduction of 65% in inflammatory lesions, satisfaction of all patients who underwent treatment, and approval in the assessment carried out by dermatologists. Conclusions: The fractional Nd:YAP laser was proven effective in the treatment of inflammatory acne and may represent a new therapeutic option for this pathology, especially for patients who do not respond to conventional treatment.

Keywords: ACNE VULGARIS; LASERS; LASER THERAPY.

Hidradenitis suppurativa is a chronic inflammatory disease resulting from follicular obstruction. This recurrent condition leads to the formation of fistulas and scars, which affect a patient's quality of life. The literature offers multiple therapeutic modalities, such as topical and oral antibiotics, isotretinoin, dapsone, TNF-α inhibitors, finasteride, conventional surgical therapies, and lasers (CO₂, Nd:Yag). The present article provides a review of these treatments and their indications, according to the stages of Hurley, which provides the dermatologist with a greater command of different techniques, thus leading to a more adequate treatment of patients.

Keywords: HIDRADENITIS SUPPURATIVA; THERAPEUTIC; LASER THERAPY.

Introduction: Hidradenitis is a chronic inflammatory disease that has a negative impact on the patient's quality of life but which has few effective therapeutic options. Currently, the use of laser technology has been standing out as a treatment. Objective: To evaluate the use of 1,340nm ND:YAP laser (Neodimiun:Ytrium Aluminum Perovskite) to treat hidradenitis. Methods: Performing 4 1,340nm ND:YAP laser sessions in 3 patients bearing hidradenitis. Results: All patients had a clinically and histologically evidenced reduction of inflammatory lesions. Conclusions: In the present study, the 1,340nm ND:YAP laser was effective in the treatment of hidradenitis, and can potentially become a new therapeutic option.

Keywords: HIDRADENITIS; LASERS; LASER THERAPY

Hidradenitis suppurativa is a chronic inflammatory, recurrent and debilitating skin disease. Its etiopathogenesis involves follicular occlusion and genetic, environmental and immunological factors. Diagnosis is predominantly clinical, and the therapeutic approach is a major challenge due to its impact on the patient's quality of life. The surgical option is the most indicated in severe cases, nevertheless there is no consensus on the ideal treatment, as outcomes are diverse, and the aesthetic aspect after the procedure is generally unfavorable. This article was aimed at reporting a surgical option with primary wound closure, whose aesthetic result was superior to those derived from traditional techniques.

Keywords: HIDRADENITIS SUPPURATIVA; HIDRADENITIS; DERMATOLOGIC SURGICAL PROCEDURES; DERMATOLOGY; THERAPEUTICS

This study demonstrated the clinical and histologic result of the treatment of one disseminated superficial actinic porokeratosis patient with non-ablative fractional laser. The patient was treated with seven sessions of 1340-nm Nd:YAP laser, with 4 or 5 week-intervals. Biopsies and photographs were performed before and after treatment, which was well tolerated and lead to improvement in the erythema and texture of the lesions. There was a 1-year follow-up. Histopathologic examination after treatment revealed little changes in the cornoid lamella.

Keywords: Biopsy; Laser Therapy; Lasers; Porokeratosis

INTRODUCTION: Hidradenitis supurativa (HS) is a chronic skin disease whose mechanism is not yet fully understood. It has a direct impact on the quality of life of affected patients, but there is no well-established therapy for its treatment.
OBJECTIVE: To assess the quality of life of patients diagnosed with HS on adalimumab using the Dermatology Life Quality Index (DLQI) questionnaire.
METHODS: Information was collected from patients with HS on adalimumab and standard DLQI questionnaires were applied before the beginning of treatment and at least 12 weeks after.
RESULTS: Of the three patients included, two presented decreased DLQI. Of these two, one showed significant improvement after treatment with adalimumab. The third patient showed worsening of this index.
CONCLUSIONS: The impact of hidradenitis supurativa on the quality of life of affected patients is significant and is related to factors other than adequate therapy. Life habits such as smoking and alcoholism, as well as the presence of other comorbidities, probably impact these indices. Affected patients should be assessed globally to determine the actual impact on the quality of life related to the disease in question. Thus, we suggest further studies with a larger number of patients.

Keywords: Hidradenitis suppurativa; Quality of life; Indicators of quality of life

INTRODUCTION: The treatment of hypochromic scars is challenging, and the techniques used so far show unsatisfactory results. Bimatoprost, an analog of prostaglandin F2-alpha, has been used as a topical pigment agent, and its application as drug delivery can optimize its delivery to the dermis and potentiate pigmentation.
OBJECTIVE: To evaluate the safety and efficacy of Ablative Fractional Laser (AFL) treatment associated with bimatoprost 0.03% drug delivery in hypopigmented scars.
METHODS: The patients were submitted to the AFL, followed by the application of bimatoprost 0.03% in 4 sessions with biweekly intervals. Clinical evaluations and standardized photographs were performed. Patients’ satisfaction was assessed using a 5-question questionnaire.
RESULTS: All patients had clinical improvement in the treated areas. The degree of patient satisfaction agreed with the clinical evaluation and photographic records.
CONCLUSION: The application of AFL associated with bimatoprost 0.03% drug delivery can be a potentially effective and safe treatment for hypochromic scars.

Keywords: Lasers; Hypopigmentation; Laser Therapy

Dowling-Degos disease (DDD) is a rare genodermatosis. Progressive reticular hyperpigmentation of flexural areas mainly characterizes the disease, which may be associated with a large spectrum of benign lesions and cutaneous neoplasms. It may cause psychosocial impairment due to the deformity caused by the lesions with significant aesthetic damage. We present two cases of male patients with hyperchromic macules, multiple comedones, epidermal cysts, cribriform scars on the face, cervical region, dorsum, anterior thorax, armpits, genital region, and disfiguring tumors, characteristic of DDD.

Keywords: Carcinoma; Genetics; Hidradenitis; Hidradenitis Suppurativa; Skin Pigmentation

Q-switched lasers are widely used for tattoo removal. A 48-year-old-woman with a black tattoo on the left thigh was submitted to ten sessions of Q-switched Nd:YAG 1064nm laser associated with fractional CO2 laser, performed every two months. Six months after treatment end, we observed almost complete tattoo removal, besides improvement in skin texture. Q-switched lasers promote tattoo removal by a photoacoustic phenomenon. The association with fractional ablative lasers is an option for intensely pigmented tattoos or for tattoos with several colors, which are hard to remove.

Keywords: Laser Therapy; Lasers; Tattooing

Case study of exceptional response to treatment of recurrent xanthelasma palpebrarum with an ablative laser. The patient underwent a single session of laser Erbium: Yttrium-aluminum-garnet (Fotona^®) 2940 nm, and we performed photographic records with Vectra^® H2 2019 before and after the procedure. Satisfactory clinical results were reported, with good pain tolerability and early recovery compared to surgical procedures and, consequently, less time away from work activities.

Keywords: Lasers; Laser therapy; Laser coagulation; Xanthelasma palpebraum

INTRODUCTION: Hidradenitis suppurativa (HS) is an inflamatory, chronic, recurrent, and debilitating condition. There is a lack of consensus about its treatment.
OBJECTIVE: We conducted a review of the national and international literature, searching for articles that addressed the use of botulinum toxin in HS, in addition to describing the doses and techniques used.
METHODS: A bibliographic search was performed in LILACS, Medline, and SciELO.
RESULTS: Botulinum toxin can be an effective therapy in patients with HS, especially in cases of concomitant hyperhidrosis and traditional therapies fail. It offers the possibility of conducting treatment with minimal adverse events, reproducible over time without loss of effectiveness, in addition to reducing pain.
CONCLUSIONS: Patients will likely need more than one treatment over time, as the lesions tend to recur after 6 to 10 months. The technique used has been the standard for hyperhidrosis. Further research is needed to understand its role in the management of HS, including the ideal dosage and frequency of administration.

Keywords: Hidradenitis suppurativa; Hidradenitis; Botulinum toxins; Botulinum toxins, type A

INTRODUCTION: Hidradenitis Suppurativa is a chronic inflamatory and relapsing disease. High levels of recurrence can persist even after wide local excision.
OBJECTIVE: Identify the main risk factors for postoperative complications of Hidradentis Suppurativa.
METHODS: We included journal articles with data from Google, Pubmed, Lilacs, and Scielo, in Portuguese and English, from 2000 to 2021.
RESULTS: The main risk factors that influence postoperative outcomes are related to surgical technique, disease severity, comorbidities, and adjuvant clinical therapy.

Keywords: Hidradenitis suppurativa; Risk factors; Postoperative complications