Italian Guidelines in Patch Testing - adapted from the European Society of Contact Dermatitis (ESCD)

Acrylate and methacrylate allergy: When is patch testing with acrylic acid recommended?

“…Between January and March 2018, in three Italian patch testing clinics, 436 consecutive patients (143 males, 293 females; mean age 46.9 years) with suspected allergic contact dermatitis were patch tested with the SIDAPA baseline series (FIRMA Diagent, Florence, Italy) and with acrylic acid (Sigma‐Aldrich, Steinheim, Germany). Saline solution test preparation with acrylic acid was made in the laboratory of the Department of Pharmacy‐Drug Sciences of the University of Bari (Italy) at 0.1%.…”

“…Patch tests were occluded for 2 days with the Haye's Test Chambers (Haye's Service, Alphen aan den Rijn, The Netherlands) on Soffix tape (Artsana, Grandate, Italy), and readings were performed on day (D)2, D4, and D7 . In patients with a history of (meth)acrylate allergy and/or with a positive reaction to 2‐HEMA, contained in the baseline series, and/or a positive reaction to acrylic acid, additional patch tests with a (meth)acrylate series (FIRMA Diagent, Florence, Italy) were performed (Table ), with readings on day (D)2, D4, and D7.…”

Contact allergy to 3‐dimethylaminopropylamine in 5140 consecutive Italian patients: A one‐year retrospective multicenter SIDAPA study

“…In 11 patch testing clinics evenly distributed across Italy, 5140 consecutive patients (1615 males, 3525 females; mean age 47.9 years, range 4–93 years) were patch tested for contact dermatitis between January and December 2018 with the SIDAPA (Società Italiana Dermatologia Allergologica, Professionale Ambientale) baseline series (FIRMA Diagent, Florence, Italy) . Patch tests were occluded for 2 days with Haye's Test Chambers (Haye's Service, Alphen aan den Rijn, The Netherlands) on Soffix tape (Artsana, Grandate, Italy), and readings were performed on day (D)2, D4, and D7 . Patients were asked to return in case of late reactions.…”

Systemic allergic dermatitis presenting as acute generalized exanthematous pustulosis due to betamethasone sodium phosphate

“…Three months after complete resolution of the skin lesions the patient was patch‐tested with the SIDAPA (Società Italiana di Dermatologia Allergologica Professionale e Ambientale) baseline series (FIRMA Diagent, Florence, Italy), Etacortilen eye drops “as is”, and a topical corticosteroid series (Table ). Patch tests were occluded for 2 days with the Haye's Test Chambers (Haye's Service, Alphen aan den Rijn, The Netherlands) on Soffix tape (Artsana, Grandate, Italy) and readings were performed on day (D)2, D4, and D7 . Patch tests were positive for Etacortilen eye drops and its active ingredient dexamethasone‐21‐ phosphate disodium (CAS no.…”