Koebner phenomenon represents the development of several inflammatory skin lesions (psoriasis, lichen planus, vitiligo, etc.) in uninvolved skin following various traumatic insults. The case of a 27-year-old male patient with scalp psoriasis who was referred to our clinic for generalized psoriatic lesions developed two weeks after tattooing his skin at the age of 18 was presented; the case illu...

A woman aged 23 years, with no past medical history of interest, was seen for the appearance a week earlier of pruritic skin lesions in the area of a tattoo created on the dorsum of her right foot 6 months earlier (Fig. 1). The patient denied taking any new medication or applying any topical products. There were no lesions on the rest of her skin or mucosas or lesions of the skin appendages. De...

Abstract Continuous bio-signal monitoring with on-skin worn sensor devices enables out-of-hospital patient (i.e. ubiqutuous health-care) which has high potential to reduce various disease related societal costs through large-scale screening of the risk groups. However, novel fabrication methods need be adopted enable required deployment such devices. Additive technologies have emerged as candid...

Decorative henna skin painting can provoke severe reactions in the skin. We report 3 cases of unusual and persistent hyperpigmentation following nonpermanent henna tattoo, which alerted us to identify an additional side effect.

Campbell L Stewart1, Danielle M DeHoratius3, Stephen Gluckman4, Christine Rongey5, Kevin Alby6, Rosalie Elenitsas2* 1Department of Medicine, Division of Dermatology, University of Washington, Seattle, WA 2Department of Dermatology, University of Pennsylvania, Philadelphia, PA 3Dermatology Associates of Bryn Mawr, Bryn Mawr, PA 4Department of Medicine, Division of Infectious Diseases, University...

A 28-year-old male patient, presented with a one-week history of pain and itching on the skin of the left upper leg. Erythematous indurated, warm and painful on palpation, subcutaneous plaques and nodules were clinically observed, affecting the skin of the left upper leg, within a recent black-wolf tattoo. The diagnosis of traumatic panniculitis with superposed bacterial infection, provoked by ...

Current fashion in body art includes low back tattoos of varying designs and colors, a trend that presents unique concerns for anesthesia providers. Does the placement of epidural catheters risk the introduction of tattoo pigment dyes into the epidural space through the process of coring? Are there specific risks associated with tattoo dyes and epidural needle placement? We performed a comprehe...

MW Small polyps, which are encountered in more than half of colonoscopies, can be removed by routine polyp ectomy methods, including cautery or cold-snare removal. Nearly all large polyps (≥2 cm) can be resected endoscopically (via EMR or endoscopic submucosal dissection) and should not be referred for surgical resection. Additionally, endoscopists should avoid performing procedures at the inde...

In recent years, the practice of decorative tattooing has seen rising popularity and increased social acceptance. As newer tattoo inks are developed and utilized, it is expected that the rate of reactions will rise. Thus, dermatologists are more likely to encounter tattoo-related complications. An understanding of the most common histopathologic reaction patterns ideally will result in increase...