Autoinflammation & PLCG2-associated Antibody Deficiency and Immune Dysregulation (APLAID)
Unknown but rare.
Age of onset:
Onset in infancy with recurrent skin lesions, arthralgia, eye inflammation, and infections. Some with intestinal symptoms. 
Not noted. 
Autoinflammation and PLCG2-associated Antibody Deficiency and Immune Dysregulation, APLAID, PLCG2, PLCG2 associated, antibody deficiency, dysregulation, erythematous plaques, plaques, plaques, vesiculopustular, vesicles, heat rash, sun rash, solar rash, sunlight rash, UV rash, ultraviolet, pustules, cellulitis, corneal erosions, blisters, blistering, ulcerations, intraocular hypertension, cataracts, immunodeficiency, sinusitis, pneumonia, respiratory infections, pulmonary infection, abdominal pain, bloody diarrhea, diarrhea, enterocolitis, ulcerative colitis, colitis, IgA antibody, Ig M antibody, sinus infection, stomach pain, gastrointestinal pain,
Zhou Q, Lee GS, Brady J, et al. A hypermorphic missense mutation in PLCG2, encoding phospholipase Cγ2, causes a dominantly inherited autoinflammatory disease with immunodeficiency. American Journal of Human Genetics. 2012;91(4):713–720. Fig.1. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3484656/