clinical features

Last reviewed 09/2021

• 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