Trait

Hamartoma

A disordered proliferation of mature tissues that is native to the site of origin, e.g., exostoses, nevi and soft tissue hamartomas. Although most hamartomas are benign, some histologic subtypes, e.g., neuromuscular hamartoma, may proliferate aggressively such as mesenchymal cystic hamartoma, Sclerosing epithelial hamartoma, Sclerosing metanephric hamartoma.

HPO HP:0010566

Body system: Abnormal tissue mass

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11 genes linked to Hamartoma

Changes in these genes cause rare conditions in which Hamartoma 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.

Gene	How often it is seen	Conditions
ACTBactin beta	Always	In 2 conditions
NEK9NIMA related kinase 9	Very often (80–99%)	In 1 condition
TCTN3tectonic family member 3	Very often (80–99%)	In 1 condition
AKT1AKT serine/threonine kinase 1	Often (30–79%)	In 1 condition
PTENphosphatase and tensin homolog	Often (30–79%)	In 1 condition
ACVR1activin A receptor type 1	Not recorded	In 1 condition
CDC73cell division cycle 73	Not recorded	In 1 condition
DYNC2LI1dynein cytoplasmic 2 light intermediate chain 1	Not recorded	In 1 condition
KLLNkillin, p53 regulated DNA replication inhibitor	Not recorded	In 1 condition
TBC1D32TBC1 domain family member 32	Not recorded	In 1 condition
TFAP2Atranscription factor AP-2 alpha	Not recorded	In 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.

Narrower traits

Broader traits

Neoplasm by histology

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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