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Trait

Rachitic rosary

A row of beadlike prominences at the junction of a rib and its cartilage (i.e., enlarged costochondral joints), resembling a rosary. Note that rachitic rosary would have one bead per rib (a swelling at the costochondral junction), while beaded ribs in the context of multiple rib fractures have multiple beads (fractures) along the same rib.

HPO HP:0000897

Summary

Body system
Abnormality of the musculoskeletal system

7 genes linked to Rachitic rosary

Changes in these genes cause rare conditions in which Rachitic rosary is seen. Most people with this trait have none of those conditions, and a gene on this list says nothing about anyone's own genome.

GeneHow often it is seenConditions
CYP27B1cytochrome P450 family 27 subfamily B member 1AlwaysIn 2 conditions
PHEXphosphate regulating endopeptidase X-linkedAlwaysIn 2 conditions
CYP2R1cytochrome P450 family 2 subfamily R member 1Very often (80–99%)In 1 condition
SLC34A1solute carrier family 34 member 1Sometimes (5–29%)In 1 condition
SLC34A3solute carrier family 34 member 3Sometimes (5–29%)In 1 condition
ALPLalkaline phosphatase, biomineralization associatedNot recordedIn 2 conditions
CTNScystinosin, lysosomal cystine transporterNot recordedIn 1 condition

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Broader traits

Abnormality of the costochondral junctionAbnormality of the sternum

Where this comes from

  • The Human Phenotype Ontology, release 2026-09-01: the trait, its names, its definition and the genes linked to it. Find out more at hpo.jax.org.
  • Data release 2026.10.16-c6eea6bf.

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