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Start free with EleplanSenior-Boichis syndrome
ORPHA:84081Disease
Also called Boichis disease · Nephronophthisis-hepatic fibrosis syndrome
What it is
A rare ciliopathy characterized by the association of nephronophthisis and liver fibrosis. Renal manifestations include chronic renal failure, polyuria, polydipsia, anemia, as well as increased echogenicity on renal ultrasound and interstitial fibrosis and tubular dilation on biopsy. Hepatic involvement manifests as hepatosplenomegaly with extensive fibrosis, destruction of the bile ducts, and cholestasis. Mild psychomotor retardation and ocular symptoms, such as strabismus, nystagmus, retinal degeneration, and anisocoria, have been reported in some patients.
Key facts
- Age of onset
- All ages
- Inheritance
- Autosomal recessive
- Classified as
- Disease
Signs and symptoms
Common30–79%
20- Abnormal renal insterstitial morphology
- Abnormal urinary electrolyte concentration
- Cholestasis
- Chronic kidney disease
- Elevated circulating alkaline phosphatase concentration
- Elevated circulating hepatic transaminase concentration
- Hepatic fibrosis
- Hepatosplenomegaly
- Hyperechogenic kidneys
- Hypertension
- Increased total bilirubin
- Malformation of the hepatic ductal plate
- Polydipsia
- Portal hypertension
- Reduced number of intrahepatic bile ducts
- Reduced renal corticomedullary differentiation
- Renal corticomedullary cysts
- Renal hypoplasia
- Thickening of the tubular basement membrane
- Tubular luminal dilatation
Sometimes5–29%
14- Abnormal cerebral white matter morphology
- Aggressive behavior
- Agitation
- Anemia
- Ascites
- Attention deficit hyperactivity disorder
- Carotid artery dilatation
- Cirrhosis
and 6 more in this range
These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.
Genes
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Related health topics
Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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