Rotor syndrome
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
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Overview
Rotor syndrome is a rare, benign autosomal recessive disorder of unknown origin.
Presentation
It has many things in common with Dubin-Johnson syndrome except that in Rotor Syndrome, the liver cells are not pigmented. The main symptom is a non-itching jaundice. There is a rise in bilirubin in the patient’s serum, mainly of the conjugated type.
| Rotor syndrome | DJS | |
| appearance of liver | normal histology and appearance | liver has black pigmentation |
| gallbladder visualization | gallbladder can be visualized by oral cholecystogram | gallbladder cannot be visualized |
| total urine coproporphyrin content | high with <70% being isomer 1 | normal with >80% being isomer 1 (normal urine contains more of isomer 3 than isomer 1) |
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Rotor syndrome from Other Diseases
Epidemiology and Demographics
Risk Factors
Screening
Natural History, Complications, and Prognosis
Natural History
Complications
Prognosis
Diagnosis
Diagnostic Criteria
History and Symptoms
Physical Examination
Laboratory Findings
Imaging Findings
Other Diagnostic Studies
Treatment
The liver is otherwise normal, and there is no need to treat this condition. It can be differentiated from Dubin Johnson syndrome by measuring the difference in urinary poryphrins. In Rotor syndrome there is an associated marked increase in urinary excretion of coproporyhrin I and III with < 80% being the I isomer.
Medical Therapy
Surgery
Prevention
Eponym
Rotor syndrome is named after the Filipino internist, Arturo Belleza Rotor (1907-1988).[1]
See also
References
External links
Template:Endocrine, nutritional and metabolic pathology Template:Heme metabolism disorders
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