Atypical ("pseudosarcomatous"), cutaneous, fibrous histiocytoma (ACFH)
is a variant of benign, fibrous histiocytoma first reported by Fukamizu
et al. in 1983 . Rarely reported, this neoplasm is also known
as dermatofibroma with "monster" cells . We report an observation of
recurring ACFH and review the main clinicopathological features of this
tumor. The main differential diagnoses are discussed.