这种罕见的遗传性疾病的确切发病率尚不清楚。大多数患者均无症状,而该病的诊断可能基于因其他原因在检查时偶然发现。1948 年,菲律宾的Rotor 等率先对其进行了描述。从那以后,包括美国、法国、日本、墨西哥、意大利和巴布亚新几内亚在内的若干国家报道了更多的病例;因此其分布遍布全球。它是第二罕见的遗传性高胆红素血症;第一罕见的是Crigler-Najjar I 型。[4]The familial conjugated hyperbilirubinemias. Semin Liver Dis. 1994;14:386-394.http://www.ncbi.nlm.nih.gov/pubmed/7855632?tool=bestpractice.com罗托综合征并无性别倾向,对于家族的研究提示其呈常染色体隐性遗传模式。[1]Rotor AB, Manahan L, Florentin A. Familial non-hemolytic jaundice with direct Van Den Bergh reaction. Acta Med Phil. 1948;5:37-49.[2]Namihisa T, Yamaguchi K. The constitutional hyperbilirubinemia in Japan: studies in 139 cases reported during the period 1963 to 1969. Gastroenterol Jpn. 1973;8:311-321.[5]Pascasio FM, de la Fuenta D. Rotor-Manahan-Florentin syndrome: clinical and genetic studies. Phil J Int Med. 1969;7:151-157.尽管该病倾向于出现在青春期或早成年期,但亦有婴儿及幼童病例。[6]Vest MF, Kaufmann HJ, Fritz E. Chronic non-haemolytic jaundice with conjugated bilirubin in the serum and normal histology: a case study. Arch Dis Child. 1960;36:600-604.http://www.pubmedcentral.nih.gov/picrender.fcgi?artid=2012660&blobtype=pdfhttp://www.ncbi.nlm.nih.gov/pubmed/13781061?tool=bestpractice.com[7]Fretzayas A, Koukoutsakis P, Moustaki M, et al. Coinheritance of Rotor syndrome, G-6-PD deficiency, and heterozygous beta thalassemia: a possible genetic interaction. J Pediatr Gastroenterol Nutr. 2001;33:211-213.http://journals.lww.com/jpgn/pages/articleviewer.aspx?year=2001&issue=08000&article=00023&type=fulltexthttp://www.ncbi.nlm.nih.gov/pubmed/11568527?tool=bestpractice.com