DEAR EDITOR, I read with interest the recent report by Haus et al. about a patient who developed two lesions of lymphomatoid papulosis (LyP) on the red parts of a tattoo. However, their report deserves a few comments. Many reported pseudolymphomas on tattoos involve T cells or both T and B cells, and are not attributed ‘mainly’ to B cells, as described in the manuscript. To date, Sangueza et al...

W e present a case of a systemic allergic red tattoo reaction that required excision and skin grafting after failure of other therapies. Tattoos are associated with an increased risk of infection , eczema, psoriasis, hyperplasia, granulomatous reactions, and neoplasm, with red ink as the most common culprit for allergic reactions. Although artists have replaced dangerous mercury-based cinnabar ...

We report the case of a 33-year-old male who presented with a malignant melanoma on his anterior chest wall. The lesion was only found in the red ink pigment of the tattoo, as were several in-transit dermal metastases. Possible explanations include a pre-existing lesion which was seeded with red ink or the possibility of the red ink causing an inflammatory reaction leading to malignant transfor...

Eosinophilic cellulitis (Wells' syndrome) is an uncommon condition of unknown etiology. Wells' syndrome is usually seen in adulthood but very rare in childhood. Although pathogenesis of the disease is not very clear, it is a hypersensitivity reaction developing against a variety of exogenous and endogenous antigenic stimuli. Paraphenylenediamine is a strong allergen frequently used as a tempora...

Eine 38-jährige Frau stellte sich mit seit etwa fünf Monaten bestehenden, stark juckenden Knötchen, vor allem im Bereich von Tätowierungen und Narben, in unserer Poliklinik vor. Sowohl die als auch Narben bestanden bereits mehreren Jahren seien bisher unauffällig gewesen. Weitere Beschwerden gab Patientin nicht an. Therapie der Hautveränderungen sei erfolgt. Als Grunderkrankungen waren eine art...