Typically, patients are asymptomatic and hypertriglyceridaemia is detected on routine blood tests. Awareness for this diagnosis should be raised in patients with coronary artery disease (especially if diabetic) or acute pancreatitis. When present, clinical findings, including eruptive xanthomas and lipemia retinalis, are pathognomonic in the presence of chylomicronaemia. com.bmj.content.model.Caption@268af2f5[Figure caption and citation for the preceding image starts]: Eruptive xanthomasFrom the personal collection of Professor Leaf; used with permission [Citation ends].com.bmj.content.model.Caption@19c6a648[Figure caption and citation for the preceding image starts]: Eruptive xanthomas as papular lesions with early koebnerisation and keloid formationWani AM, Hussain WM, Fatani MI, et al. Eruptive xanthomas with Koebner phenomenon, type 1 diabetes mellitus, hypertriglyceridaemia and hypertension in a 41-year-old man. BMJ Case Reports. 2009; doi:10.1136/bcr.05.2009.1871 [Citation ends].

Because hypertriglyceridaemia represents a complicated interaction between genetic and environmental influences, the weight of contributing factors varies between individuals. People with stronger genetic tendencies tend to present at younger ages. Genetic susceptibility may be unmasked by environmental factors.

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