Auricular tags. Supernumerary vestiges of the external structures of ears are common. Accessory tragi and auricular tags with or without communication to deeper structures may be deceptively simple. Those in this photograph are probably harmless nubs of tissue that could be sliced off and their bases delicately electrodesiccated. Should that be all there is, the cosmetic result would be fine. Sometimes, however, such structures bear cartilage within them and have communication to uncertain depths toward the more important structures in the external canal or middle ear.
Allergic contact dermatitis (reaction to temporary tattoo). Contact allergy to temporary tattoos has become an increasingly common phenomenon. In most cases, the tattoo material does not contain pure henna, but is a mixture of brown henna with paraphenylenediamine (PPD) called black henna. The patient is allergic to PPD in the tatto. In fact, the concentration of PPD in black henna is higher than that seen in commercial hair dyes. After resolution of the eczematous skin eruption, postinflammatory hyperpigmentation may persist for a considerable period of time.