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440 results on '"Guzzi, Gianpaolo"'

3. Systemic allergic contact dermatitis associated with allergy to intraoral metals

Author

Pigatto, Paolo D, Brambilla, Lucia, Ferrucci, Silvia, Zerboni, Roberto, Somalvico, Francesco, and Guzzi, Gianpaolo

Subjects
adverse events, amalgam dermatitis, contact hypersensitivity reaction, delayed/chemically induced, delayed-type hypersensitivity, dermatitis/allergic contact hypersensitivity, heavy metals adverse events, mercury dermatitis, mercury exanthema
Abstract

Contact (allergic) dermatitis is a skin disorder related to natural exposure to various allergens. Systemic contact dermatitis (SCD) describes a cutaneous eruption in response to systemic exposure to an allergen. The exact pathologic mechanism remains uncertain. Herein we describe a 36-year-old woman with symmetric systemic allergic contact dermatitis, unresponsive to conventional treatment, associated with dental alloy-contact hypersensitivity. We did skin patch testing and the blood lymphocyte transformation test (LTT) from the dental allergen series to assess contact allergy to restorative dental materials. On patch testing, positive allergic contact dermatitis reactions to metals occurred (nickel, potassium dichromate, and gold). Nickel hypersensitivity was confirmed by LTT, which also revealed silver-amalgam sensitization. Our case report highlights the need to consider adverse reactions to base-metal dental alloys in the differential diagnosis of cases of systemic allergic contact dermatitis.

Published
2014

15. Italian Expert Consensus on Clinical and Therapeutic Management of Multiple Chemical Sensitivity (MCS)

Author

Damiani, Giovanni, primary, Alessandrini, Marco, additional, Caccamo, Daniela, additional, Cormano, Andrea, additional, Guzzi, Gianpaolo, additional, Mazzatenta, Andrea, additional, Micarelli, Alessandro, additional, Migliore, Alberto, additional, Piroli, Alba, additional, Bianca, Margherita, additional, Tapparo, Ottaviano, additional, and Pigatto, Paolo, additional

Published
2021
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37. Sarcoidosis

Author

Guzzi, Gianpaolo and Severi, Gianluca

Published
2008

48. Cracked mercury dental amalgam as a possible cause of fever of unknown origin: a case report

Author

Bamonti Fabrizia, Guzzi Gianpaolo, and Ferrero Maria

Subjects
Medicine
Abstract

Abstract Introduction Sudden fever of unknown origin is quite a common emergency and may lead to hospitalization. A rise in body temperature can be caused by infectious diseases and by other types of medical condition. This case report is of a woman who had fever at night for several days and other clinical signs which were likely related to cracked dental mercury amalgam. Case presentation A healthy women developed fever many days after had cracked a mercury dental amalgam filling. Blood tests evidenced increased erythrocyte sedimentation rate, anemia and elevated white cell count; symptoms were headache and palpitations. Blood tests and symptoms normalized within three weeks of removal of the dental amalgam. Conclusion This case highlights the possible link between mercury vapor exposure from cracked dental amalgam and early activation of the immune system leading to fever of unknown origin.

Published
2008
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