Keck School Faculty

Vincent Anthony De Leo, MD
Vincent Anthony De Leo, MD
Clinical Professor of Dermatology (Part-Time)
Dermatology
HC4 2000 1450 San Pablo Health Sciences Campus Los Angeles

Safety Equipment: When Protection Becomes a Problem Contact Dermatitis. 2019 Feb 27. . View in PubMed

Patients with Negative Patch Tests: Retrospective Analysis of North American Contact Dermatitis Group (NACDG) Data 2001-2016 J Am Acad Dermatol. 2019 Jan 10. . View in PubMed

Parabens Dermatitis. 2019 Jan/Feb; 30(1):3-31. . View in PubMed

Digital revolution: dermatology is on the edge Cutis. 2019 Jan; 103(1):7. . View in PubMed

Parabens: Contact (Non)Allergen of the Year Dermatitis. 2018 Dec 18. . View in PubMed

Parabens: Contact (Non)Allergen of the Year Dermatitis. 2018 Dec 18. . View in PubMed

North American Contact Dermatitis Group Patch Test Results: 2015-2016 Dermatitis. 2018 Nov/Dec; 29(6):297-309. . View in PubMed

Epidemiology of Nickel Sensitivity: Retrospective Cross-Sectional Analysis of North American Contact Dermatitis Group (NACDG) Data 1994-2014 J Am Acad Dermatol. 2018 Oct 17. . View in PubMed

Epidemiology of pediatric nickel sensitivity: Retrospective review of North American Contact Dermatitis Group (NACDG) data 1994-2014 J Am Acad Dermatol. 2018 Oct; 79(4):664-671. . View in PubMed

Epidemiology of pediatric nickel sensitivity: Retrospective review of North American Contact Dermatitis Group (NACDG) data 1994-2014 J Am Acad Dermatol. 2018 Apr 14. . View in PubMed

Contact Dermatitis Associated With Skin Cleansers: Retrospective Analysis of North American Contact Dermatitis Group Data 2000-2014 Dermatitis. 2018 Jan/Feb; 29(1):32-42. . View in PubMed

Contact Dermatitis Associated With Skin Cleansers: Retrospective Analysis of North American Contact Dermatitis Group Data 2000-2014 Dermatitis. 2017 Dec 18. . View in PubMed

Piercing and Metal Sensitivity: Extended Analysis of the North American Contact Dermatitis Group Data, 2007-2014 Dermatitis. 2017 Nov/Dec; 28(6):333-341. . View in PubMed

Positive Patch-Test Reactions to Essential Oils in Consecutive Patients From North America and Central Europe Dermatitis. 2017 Jul/Aug; 28(4):246-252. . View in PubMed

Occupational Contact Dermatitis in North American Production Workers Referred for Patch Testing: Retrospective Analysis of Cross-Sectional Data From the North American Contact Dermatitis Group 1998 to 2014 Dermatitis. 2017 May/Jun; 28(3):183-194. . View in PubMed

Occupational Contact Dermatitis in North American Print Machine Operators Referred for Patch Testing: Retrospective Analysis of Cross-Sectional Data From the North American Contact Dermatitis Group 1998 to 2014 Dermatitis. 2017 May/Jun; 28(3):195-203. . View in PubMed

Epidemic of Isothiazolinone Allergy in North America: Prevalence Data From the North American Contact Dermatitis Group, 2013-2014 Dermatitis. 2017 May/Jun; 28(3):204-209. . View in PubMed

Wet Wipe Allergens: Retrospective Analysis From the North American Contact Dermatitis Group 2011-2014 Dermatitis. 2017 Jan/Feb; 28(1):64-69. . View in PubMed

Patch Test Reactions to Corticosteroids: Retrospective Analysis From the North American Contact Dermatitis Group 2007-2014 Dermatitis. 2017 Jan/Feb; 28(1):58-63. . View in PubMed

Bilateral symmetric onycholysis of distal fingernails Cutis. 2017 Jan; 99(1):E8-E11. . View in PubMed

North American Contact Dermatitis Group Patch Test Results 2013-2014 Dermatitis. 2017 Jan/Feb; 28(1):33-46. . View in PubMed

Occupational Contact Dermatitis in Mechanics and Repairers Referred for Patch Testing: Retrospective Analysis From the North American Contact Dermatitis Group 1998-2014 Dermatitis. 2017 Jan/Feb; 28(1):47-57. . View in PubMed

The Association of Race/Ethnicity and Patch Test Results: North American Contact Dermatitis Group, 1998-2006 Dermatitis. 2016 Sep-Oct; 27(5):288-92. . View in PubMed

Direct-to-consumer pharmaceutical advertising Cutis. 2016 Jan; 97(1):10-1. . View in PubMed

Cutaneous Delayed-Type Hypersensitivity to Surfactants Dermatitis. 2015 Nov-Dec; 26(6):268-70. . View in PubMed

Patient compliance with photoprotection Cutis. 2015 Jul; 96(1):13-4. . View in PubMed

50 years of helping dermatologists improve patient care Cutis. 2015 Jan; 95(1):7-8. . View in PubMed

North American contact dermatitis group patch test results: 2011-2012 Dermatitis. 2015 Jan-Feb; 26(1):49-59. . View in PubMed

Patch testing in children from 2005 to 2012: results from the North American contact dermatitis group Dermatitis. 2014 Nov-Dec; 25(6):345-55. . View in PubMed

Body piercing and metal allergic contact sensitivity: North American contact dermatitis group data from 2007 to 2010 Dermatitis. 2014 Sep-Oct; 25(5):255-64. . View in PubMed

Concomitant patch test reactions to mercapto mix and mercaptobenzothiazole: retrospective analysis from the North American Contact Dermatitis Group, 1994-2008 Dermatitis. 2013 Nov-Dec; 24(6):321-7. . View in PubMed

Positive patch test reactions to carba mix and iodopropynyl butylcarbamate: data from the North American Contact Dermatitis Group, 1998-2008 Dermatitis. 2013 Sep-Oct; 24(5):241-5. . View in PubMed

Pseudomonas folliculitis contracted from rubber gloves: a public health concern J Am Acad Dermatol. 2013 Aug; 69(2):e93-4. . View in PubMed

Patch test reactions associated with sunscreen products and the importance of testing to an expanded series: retrospective analysis of North American Contact Dermatitis Group data, 2001 to 2010 Dermatitis. 2013 Jul-Aug; 24(4):176-82. . View in PubMed

North American Contact Dermatitis Group patch test results: 2009 to 2010 Dermatitis. 2013 Mar-Apr; 24(2):50-9. . View in PubMed

North American Contact Dermatitis Group patch test results for 2007-2008 Dermatitis. 2013 Jan-Feb; 24(1):10-21. . View in PubMed

Occupationally related contact dermatitis in North American food service workers referred for patch testing, 1994 to 2010 Dermatitis. 2013 Jan-Feb; 24(1):22-8. . View in PubMed

Effects of immunomodulatory agents on patch testing: expert opinion 2012 Dermatitis. 2012 Nov-Dec; 23(6):301-3. . View in PubMed

Occupational contact dermatitis in hairdressers/cosmetologists: retrospective analysis of north american contact dermatitis group data, 1994 to 2010 Dermatitis. 2012 Nov-Dec; 23(6):258-68. . View in PubMed

Positive patch test reactions in older individuals: retrospective analysis from the North American Contact Dermatitis Group, 1994-2008 J Am Acad Dermatol. 2012 Feb; 66(2):229-40. . View in PubMed

A survey examination of patients with hydroa vacciniforme Cutis. 2011 Nov; 88(5):245-53. . View in PubMed

Finally, the final rule on OTC sunscreen drug products Cutis. 2011 Oct; 88(4):163. . View in PubMed

Dermatologic manifestations of musicians: a case report and review of skin conditions in musicians Cutis. 2011 Mar; 87(3):117-21. . View in PubMed

Positive patch-test reactions to iodopropynyl butylcarbamate: retrospective analysis of North American contact dermatitis group data, from 1998 to 2008 Dermatitis. 2010 Nov-Dec; 21(6):303-10. . View in PubMed

Facial hyperpigmentation caused by diltiazem hydrochloride Cutis. 2010 Aug; 86(2):82-4. . View in PubMed

Positivity ratio and reaction index: patch-test quality-control metrics applied to the north american contact dermatitis group database Dermatitis. 2010 Mar-Apr; 21(2):91-7. . View in PubMed

Patch-test results of the North American Contact Dermatitis Group 2005-2006 Dermatitis. 2009 May-Jun; 20(3):149-60. . View in PubMed

Positive patch test reactions to lanolin: cross-sectional data from the north american contact dermatitis group, 1994 to 2006 Dermatitis. 2009 Mar-Apr; 20(2):79-88. . View in PubMed

A new ecamsule-containing SPF 40 sunscreen cream for the prevention of polymorphous light eruption: a double-blind, randomized, controlled study in maximized outdoor conditions Cutis. 2009 Feb; 83(2):95-103. . View in PubMed

Positive patch-test reactions to propylene glycol: a retrospective cross-sectional analysis from the North American Contact Dermatitis Group, 1996 to 2006 Dermatitis. 2009 Jan-Feb; 20(1):14-20. . View in PubMed

Allergic patch test reactions associated with cosmetics: retrospective analysis of cross-sectional data from the North American Contact Dermatitis Group, 2001-2004 J Am Acad Dermatol. 2009 Jan; 60(1):23-38. . View in PubMed

Contact allergy in children referred for patch testing: North American Contact Dermatitis Group data, 2001-2004 Arch Dermatol. 2008 Oct; 144(10):1329-36. . View in PubMed

The value of patch testing patients with a scattered generalized distribution of dermatitis: retrospective cross-sectional analyses of North American Contact Dermatitis Group data, 2001 to 2004 J Am Acad Dermatol. 2008 Sep; 59(3):426-31. . View in PubMed

Occupation-related contact dermatitis in North American health care workers referred for patch testing: cross-sectional data, 1998 to 2004 Dermatitis. 2008 Sep-Oct; 19(5):261-74. . View in PubMed

Contact dermatitis associated with food: retrospective cross-sectional analysis of North American Contact Dermatitis Group data, 2001-2004 Dermatitis. 2008 Sep-Oct; 19(5):252-60. . View in PubMed

Proposed FDA rule on sunscreens, part 2: UVA Cutis. 2008 Jul; 82(1):17-9. . View in PubMed

Patch-testing North American lip dermatitis patients: data from the North American Contact Dermatitis Group, 2001 to 2004 Dermatitis. 2008 Jul-Aug; 19(4):202-8. . View in PubMed

Positive patch-test reactions to mixed dialkyl thioureas: cross-sectional data from the North American Contact Dermatitis Group, 1994 to 2004 Dermatitis. 2008 Jul-Aug; 19(4):190-201. . View in PubMed

Proposed FDA rule on sunscreens, part 1: a new label Cutis. 2008 Jun; 81(6):460-2. . View in PubMed

Anogenital dermatitis in patients referred for patch testing: retrospective analysis of cross-sectional data from the North American Contact Dermatitis Group, 1994-2004 Arch Dermatol. 2008 Jun; 144(6):749-55. . View in PubMed

North American Contact Dermatitis Group patch-test results, 2003-2004 study period Dermatitis. 2008 May-Jun; 19(3):129-36. . View in PubMed

Patch-test reactions to topical anesthetics: retrospective analysis of cross-sectional data, 2001 to 2004 Dermatitis. 2008 Mar-Apr; 19(2):81-5. . View in PubMed

Detection of nickel sensitivity has increased in North American patch-test patients Dermatitis. 2008 Jan-Feb; 19(1):16-9. . View in PubMed

Shoe allergens: retrospective analysis of cross-sectional data from the north american contact dermatitis group, 2001-2004 Dermatitis. 2007 Dec; 18(4):191-202. . View in PubMed

Sensitivity of petrolatum and aqueous vehicles for detecting allergy to imidazolidinylurea, diazolidinylurea, and DMDM hydantoin: a retrospective analysis from the North American Contact Dermatitis Group Dermatitis. 2007 Sep; 18(3):155-62. . View in PubMed

Contact dermatitis of the hands: cross-sectional analyses of North American Contact Dermatitis Group Data, 1994-2004 J Am Acad Dermatol. 2007 Aug; 57(2):301-14. . View in PubMed

Common contact allergens associated with eyelid dermatitis: data from the North American Contact Dermatitis Group 2003-2004 study period Dermatitis. 2007 Jun; 18(2):78-81. . View in PubMed

Rue the herb: Ruta graveolens--associated phytophototoxicity Dermatitis. 2007 Mar; 18(1):52-5. . View in PubMed

p-Phenylenediamine Dermatitis. 2006 Jun; 17(2):53-5. . View in PubMed

The relationship of vehicle and concentration of imidazolidinylurea, with attention to formaldehyde allergy status Dermatitis. 2006 Mar; 17(1):48-9. . View in PubMed

A psychocutaneous approach to sunbathing behavior Arch Dermatol. 2006 Feb; 142(2):245; author reply 245-6. . View in PubMed

Sunscreen use in photodermatoses Dermatol Clin. 2006 Jan; 24(1):27-33. . View in PubMed

The vitamin D and sunlight controversy--we will wait and see Cutis. 2005 Oct; 76(4):229. . View in PubMed

Sunlight, tanning booths, and vitamin D J Am Acad Dermatol. 2005 May; 52(5):868-76. . View in PubMed

Cutaneous disease and religious practice: case of allergic contact dermatitis to tefillin and review of the literature Int J Dermatol. 2004 Dec; 43(12):886-8. . View in PubMed

North American Contact Dermatitis Group patch-test results, 2001-2002 study period Dermatitis. 2004 Dec; 15(4):176-83. . View in PubMed

Scientific and regulatory issues related to indoor tanning J Am Acad Dermatol. 2004 Nov; 51(5):781-4. . View in PubMed

Photosensitivity in lupus erythematosus Photodermatol Photoimmunol Photomed. 2004 Oct; 20(5):272-9. . View in PubMed

Allergy to cocamidopropyl betaine and amidoamine in North America Dermatitis. 2004 Mar; 15(1):5-6. . View in PubMed

Photocontact dermatitis Dermatol Ther. 2004; 17(4):279-88. . View in PubMed

A review of studies that have utilized different combinations of psoralen and ultraviolet B phototherapy and ultraviolet A phototherapy Dermatol Online J. 2003 Dec; 9(5):7. . View in PubMed

North American Contact Dermatitis Group patch-test results, 1998 to 2000 Am J Contact Dermat. 2003 Jun; 14(2):59-62. . View in PubMed

Phototherapy of atopic dermatitis Clin Dermatol. 2003 May-Jun; 21(3):241-8. . View in PubMed

Polymorphic light eruption Dermatol Ther. 2003; 16(1):28-39. . View in PubMed

Relationship of occupation to contact dermatitis: evaluation in patients tested from 1998 to 2000 Am J Contact Dermat. 2002 Dec; 13(4):170-6. . View in PubMed

Salon nails: beautiful, itchy, or infectious Cutis. 2002 Dec; 70(6):308. . View in PubMed

Glabellar gala Cutis. 2002 Jul; 70(1):15. . View in PubMed

The effect of race and ethnicity on patch test results J Am Acad Dermatol. 2002 Feb; 46(2 Suppl Understanding):S107-12. . View in PubMed

Tinea capitis: focus on African American women J Am Acad Dermatol. 2002 Feb; 46(2 Suppl Understanding):S120-4. . View in PubMed

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