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WHO Classification of Tumours
Nuchal-type fibroma
Connective, subcutaneous and other soft tissues


Nuchal-type fibroma (NTF) is a rare benign fibroblastic proliferation that arises in dermis and subcutis, typically in the posterior neck region, but also in a number of other sites. The tumours are small, unencapsulated, poorly circumscribed masses composed of thick, haphazardly arranged collagen fibres. They frequently extend into the underlying skeletal muscle. Histologically, NTF is indistinguishable from Gardner fibroma .
NTF occurs in adults (peak incidence 3rd to 5th decades of life), with a distinct predilection for males. The tumours show a tendency to recur but do not metastasize

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Fletcher CDM, Unni KK, Mertens F (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone.
3rd Edition
IARC Press: Lyon 2002