onychocytic matricoma
Findings
No curated finding names onychocytic matricoma yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Onychocytic matricoma is a rare tumor of the nail that is generally benign. Affected people often experience thickening of the involved portion of the nail. The tumor may be pigmented (melanonychia - a black or brown pigmentation of the normal nail plate) or non-pigmented. The exact underlying cause of onychocytic matricoma is currently unknown. It generally occurs sporadically in people with no family history of the condition. Treatment generally consists of surgical excision.
Definition from the Mondo Disease Ontology (MONDO:0017586), read 2026-09-29. CC BY 4.0.
Where it sits
- A kind of
Other names
1 name
Resolves to: onychocytic matricoma
- Also called
- acanthoma of the nail matrix