PNLIP and pancreatic triacylglycerol lipase deficiency: Congenital pancreatic lipase deficiency (CPLD, OMIM #614338) is a rare medical condition typically presenting with symptoms such as steatorrhea, fat-soluble vitamin deficiency, and low pancreatic lipase activity beginning in late infancy (1, 2, 3, 4, 5, 6).