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Open Access Publications from the University of California

Scholarly Works (3 results)

  • Article
  • Peer Reviewed
Dermatology Online Journal, Volume 24, Issue 3 (2018)

Genitogluteal porokeratosis is a disorder of keratinization that may present in men in their fourth decade of life. We describe a 52-year-old human immunodeficiency virus (HIV)-positive man with history of anal squamous cell carcinoma who developed verrucous lesions on the buttocks and genitals. The buttock lesions presented shortly after radiotherapy for anal carcinoma a decade prior, whereas the genital lesions presented three months prior in areas treated with injectable medication for erectile dysfunction. Skin biopsy revealed a cornoid lamella, leading to the diagnosis of genitogluteal porokeratosis. The buttock lesions were treated with shave excision and the genital lesions were treated with topical agents. Using the PubMed database, a literature search was performed with combinations of the following key words: acuminata, condyloma, cornoid lamella, genital, genitogluteal, HIV, penile, porokeratosis, verrucous, vulvar. The generated papers and their references were reviewed. To the best of our knowledge, we present the first reported case of genitogluteal porokeratosis in an HIV-positive man. Notably, these lesions developed in sites of prior radiation or injection. This condition should be included in the differential diagnosis of chronic lesions of the genitals and buttocks in patients with HIV and/or history of radiation treatment and/or trauma to the genitogluteal region.

    Cover page: Genitogluteal porokeratosis in an HIV-positive man: a case report and review of the literature on genital porokeratosisCreative Commons 'BY-NC-ND' version 4.0 license
    • Article
    • Peer Reviewed
    Dermatology Online Journal, Volume 24, Issue 5 (2018)
    Severe bullous eruptions in systemic lupus erythematosus (SLE) patients include bullous SLE, Rowell syndrome, toxic epidermal necrolysis (TEN), and TEN-like eruption of acute cutaneous lupus (TEN-like ACLE). TEN-like ACLE, a rare manifestation of SLE that closely mimics TEN, can be distinguished by characteristic clinical and laboratory findings. A 27-year-old man with SLE who developed TEN-like ACLE after initiating mycophenolate mofetil for active SLE is reported. The reports of 37 women and six men  including our patient with TEN-like ACLE were also reviewed. The diagnosis of SLE or subacute cutaneous lupus erythematosus was either previously confirmed or established at the time of diagnosis of TEN-like ACLE in 41 patients. Fever was present in 59% of patients. The onset of TEN-like ACLE was either subacute (73%) or acute (27%). Thirteen cases did not clarify the nature of disease onset. The skin lesions often presented initially on sun-exposed sites (29 patients) and involved one or more mucous membranes (21 patients). A new medication may have caused the TEN-like ACLE in 67% of the patients. Systemic corticosteroids either alone or combined with hydroxychloroquine, intravenous immunoglobulin, or mycophenolate mofetil were the most commonly used treatment. Patients with TEN-like ACLE patients had an 89% survival.
      Cover page: Toxic epidermal necrolysis-like acute cutaneous lupus erythematosus: report of a case and review of the literatureCreative Commons 'BY-NC-ND' version 4.0 license
      • Article
      • Peer Reviewed
      UCLA Previously Published Works (2021)

      Background

      Almonds are a rich source of phenolic and polyphenolic compounds, which have antioxidant activity. In vitro and in vivo studies have demonstrated that topical application of almond oil and almond skin extract reduces UVB-induced photoaging. Ultraviolet-B (UVB) protection by oral almond consumption has not been previously studied in humans.

      Objectives

      To investigate whether oral almond consumption can increase resistance to UVB radiation and reduce skin aging in healthy Asian women.

      Methods

      Thirty-nine female participants (18-45 years) with Fitzpatrick skin type II-IV were randomly assigned to consume either 1.5 oz of almonds or 1.8 oz of pretzels daily for 12 weeks. Minimal erythema dose (MED) was determined using a standardized protocol, which determined the minimal radiation needed to induce erythema on the inner arm following UVB exposure. Facial skin texture was evaluated by two dermatologists using the Clinician's Erythema Assessment scale and Allergan Roughness scale. Facial melanin index, hydration, sebum, and erythema were determined using a cutometer.

      Results

      The MED was increased in the subjects consuming almonds compared to the control group consuming pretzels. There were no differences noted between the groups consuming almonds versus pretzels in Allergan roughness, melanin, hydration, or sebum on facial skin.

      Conclusions

      Our findings suggest that daily oral almond consumption may lead to enhanced protection from UV photodamage by increasing the MED.
        Cover page: Almond consumption increased UVB resistance in healthy Asian women
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