Publications by authors named "Paloma Sanchez-Pedreno Guillen"

Article Synopsis
  • Patch test outcomes can be affected by age, but there are mixed findings on how age impacts these results.
  • The study involved over 13,000 patients and revealed that middle-aged adults (31-65 years) had the highest rates of positive skin sensitisation results, particularly for certain substances like nickel and potassium dichromate.
  • Overall, while age does influence some patch test results, most allergens showed consistent reactivity across ages, underscoring the importance of standard testing regardless of age.
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Article Synopsis
  • A multicentric study in Spain analyzed data from 10,176 patients over four years to explore polysensitization (PS), finding that 8.3% of participants were polysensitized.
  • Factors associated with PS included older age, atopic dermatitis, and exposure at specific body locations, with significant differences in allergen relevance compared to those with fewer sensitivities.
  • The research revealed distinct allergen clusters among polysensitized patients, suggesting that cross-reactivity and sensitization may contribute to these patterns.
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Background: A global epidemic of allergic contact dermatitis to (meth)acrylates has been described in relation to the widespread use of manicure products.

Objectives: To evaluate the frequency of sensitization to 2-hydroxyethyl methacrylate (2-HEMA) among consecutively patch tested patients with eczema in Spain; the percentage of current relevance; the MOAHLFA index; and, the potential sources of exposure to (meth)acrylates.

Methods: From January 2019 to December 2022, 2-HEMA 2% pet.

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Background: Current frequency and features for positivity to textile dye mix (TDM) in Spain are unknown.

Objectives: To study the frequency, clinical features and simultaneous positivity between TDM, para-phenylenediamine (PPD) and specific disperse dyes.

Materials And Methods: We analysed all consecutive patients patch-tested with TDM from the Spanish Contact Dermatitis Registry (REIDAC), from 1 January 2019 to 31 December 2022.

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A healthy 6-month-old girl presented with plantar keratoderma-like lesions unresponsive to topical corticosteroids. Nocturnal pruritus in 13 relatives, presence of burrows on clinical exam, and the positive scabies preparation led to the diagnosis of crusted scabies. She was successfully treated with topical and oral scabicides.

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Patients with rhupus characteristically exhibit symmetric polyarthritis and clinical manifestations suggestive of systemic lupus erythematosus (malar rash, photosensitivity, hematological manifestations, serositis, and/or skin involvement) and positive anti-dsDNA. Treatment is unclear and it can include disease-modifying rheumatic drugs like hydroxyl chloroquine, or methotrexate or, in refractory cases, rituximab or abatacept. We report a case of 31-year-old female who present with rhupus with skin acute lesions treated with belimumab.

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