clinical features

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  • history of penetrating injury - more common in adults who are likely to suffer minor hand trauma e.g. gardener, manual worker

  • cyst is smooth, small, spherical swelling in the subcutaneous tissues

  • often an implantation dermoid occurs under the scar of a previous laceration

  • the cyst may be quite hard

  • discriminating features:
    • abscence of a punctum helps discriminate this lesion from an epidermoid cyst
    • age of the patient helps discriminate this lesion from an inclusion dermoid cyst

Last reviewed 09/2021