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Onychomatricoma is a rare benign nail tumor originating in the nail matrix characterized by localized or diffuse thickening of the nail plate increased transverse or longitudinal overcurvature a yellow longitudinal band of variable width swelling of the proximal nail fold multiple splinter hemorrhages and the presence of honeycomb-like cavities in the distal margin of the nail plate. Nail dystrophy and dorsal pterygium may be associated. Occasionally a pigmented lesion has been reported.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview. Reference: Access aggregated data from Orphanet at Orphadata. Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version June 2024

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Clinical Trials

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