<unk> -type<unk>  is a rare benign proliferation involving the dermis and subcutaneous tissues, that is a collection of dense, hypocellular bundles of collagen with entrapped adipocytes and increased numbers of small nerves. It is no longer called a<unk> , but instead a<unk> -type<unk> " since it develops in other anatomic sites. There is no known etiology. The World Health Organization, 2020, classified<unk> s as a specific tumor form in the category of benign fibroblastic and myofibroblastic tumors.
Nuchal fibroma
Dentigerous cyst
Acrospiroma
Paradental cyst
Tornwaldt cyst
Ganglion cyst
Tarlov cyst
Colloid cyst