title: When Acne is Not Acne.
abstract: Acne vulgaris (AV) is considered a straightforward diagnosis made clinically without specific diagnostic testing. However, certain disorders may simulate AV, such as multiple small epidermal cysts or deep milia, multiple osteoma cutis, multiple small adnexal neoplasms, and follicular and/or infections characterized by multiple small papules and/or pustules such as gram-positive folliculitis, gram-negative folliculitis, Malassezia folliculitis, keratosis pilaris, and flat warts. This can lead to an erroneous diagnosis and improper management. Acneiform eruptions, often associated with ingestion of certain drugs and chemicals, can confound the clinician regarding AV diagnosis. We present herein an interesting case that was originally misdiagnosed as AV.
authors.affiliation: Dermatology, Touro University Nevada, 874 American Pacific Drive, Henderson, NV 89014, USA. Electronic address: jqdelrosso@yahoo.com.
authors.forename: James Q
authors.initials: JQ
authors.lastname: Del Rosso
authors.affiliation: Mount Sinai St. Luke's Roosevelt Hospital Center, 1090 Amsterdam Avenue, Suite 11D, New York, NY 10025, USA.
authors.forename: Nanette
authors.initials: N
authors.lastname: Silverberg
authors.affiliation: Department of Dermatology, Icahn School of Medicine at Mount Sinai, 5 East 98 Street, 5th Floor, New York, NY 10029, USA.
authors.forename: Joshua A
authors.initials: JA
authors.lastname: Zeichner
mesh_terms: D000152:Acne Vulgaris / Q000175:diagnosis*; D017486:Acneiform Eruptions / Q000000981:diagnostic imaging*; D003881:Dermatomycoses / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005499:Folliculitis / Q000175:diagnosis*; D006801:Humans; D012867:Skin / Q000473:pathology*
keywords: Acne; Birt Hogg Dube syndrome; Inherited syndromes; Papulopustular disorders