Classification

 benign fibroblastic tumors

• nodular fasciitis
• fibrous hamartoma

 intermediate fibroblastic tumors (fibrosarcomas)

• dermatofibrosarcoma protuberans (CD34+)
• giant cell fibroblastoma
• lipofibromatosis
• desmoid fibromatosis

 malignant fibroblastic tumors (fibrosarcomas)

• congenital fibrosarcoma
• adult-type fibrosarcoma (classic fibrosarcoma)
• low-grade fibromyxoid sarcoma (LGFMS)
• sclerosing epithelioid fibrosarcoma
• myxofibrosarcoma
• myofibrosarcoma
• inflammatory myxohyaline/myxoinflammatory fibroblastic sarcoma

See also

 fusiform cell tumors

• fibrous tumors
• myofibroblastic tumors
  • infantile myofibromatosis