This photo is an example of livedo reticularis:

The haematological condition that is associated with livedo reticularis is Antiphospholipid syndrome. APS is also associated with:

• necrotizing vasculitis
• thrombophlebitis
• cutaneous ulceration
• Necrosis
• subungual splinter haemorrhages
• erythematous macules, purpura, ecchymoses
• painful skin nodules.

Other haematological(ish) associations with Livedo reticularis include:

• Lymphoma
• PRV
• ET
• Pernicious anaemia
• Factor V Leiden
• Cryoglobulinaemia
• CMV infection.

Keep reading for the next dermatology case and remember to include #teamhaem in your replies.