Purpura https://en.wikipedia.org/wiki/Purpura
Purpura Conditio est macula rubra vel purpurea in cute decolorata, quae pressurae non albae fiunt. Maculae sanguinem sub cutem causantur secundariis perturbationibus in laminarum, morborum vascularium, morborum coagulationum, vel aliis causis.

Curatio
Plerumque purpurae circiter septem diebus evanescunt. Si purpura recurrit sine apparente causa, homines medicum videre debent et sanguinis experimenta subire, quae perturbationes coagulationis sanguinis reprimant.

Informationes plurimae ― Latine
References Actinic Purpura 28846319 
NIH
Purpura actinica fit cum sanguis in dermis cutis effluat. Hoc fit, quia cutis tenuissima et vasa sanguinea fragilia fiunt, praesertim in hominibus senioribus, qui solis nuditatem experti sunt.
Actinic purpura results from the extravasation of blood into the dermis. This phenomenon is due to the skin atrophy and fragility of the blood vessels in elderly individuals, which is exacerbated by chronic sun exposure.