A tale of two tumours.

Dual epidermal neoplasms are rare. There are several different types, including a combined tumour, which is highlighted in this case. Several theories exist to the origin of these tumours.

Melanotan II User Experience: A Qualitative Study of Online Discussion Forums.

Background: Melanotan II (MT II) is a synthetic analogue of α-melanocyte-stimulating hormone that, via interaction with the melanocortin 1 receptor, induces skin hyperpigmentation. The unregulated acquisition of MT II injections via the internet and other outlets has become popular over the last decades in order to exploit its properties for use as a tanning agent. Due to the covert nature of MT II use, it is difficult to assess the extent of its use among the general population and to characterise any associated side effects.

Malignant Melanoma Arising in Red Tattoo Ink.

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 transformation.