Fibrous sarcoma

• fibrosarcoma
• DFSP
• myxofibrosarcoma
• low grade fibromyxoid sarcoma

Fibroblastic

• myxoinflammatory fibroblastic sarcoma
• low grade myofibroblastic sarcoma
• desmoplastic fibroblastoma
• mammary type myofibroblastoma
• angiomyofibroblastoma
• giant cell fibroblastoma

fibroma

• elastofibroma
• myofibroma
• fibroma of tendon sheath
• calcifying aponeurotic fibroma
• nuchal fibroma
• Gardner fibroma
• angiofibroma
  • giant cell angiofibroma
  • cellular angiofibroma

Fibrous tumor

• calcifying fibrous tumor
• solitary fibrous tumor
• fibrous hamartoma of infancy
• fibro-osseous pseudotumor of digits

fibromatosis

• palmar/plantar fibromatosis
• abdominal fibromatosis
• lipofibromatosis
• superficial fibromatosis
• desmoid tumor
• fibromatosis colli
• juvenile hyaline fibromatosis
• inclusion body fibromatosis

Fibrohistiocytic

• giant cell tumor of tendon sheath
• diffuse type giant cell tumor
• deep benign fibrous histiocytoma
• plexiform fibrohistiocytic tumor
• giant cell tumor of soft tissue
• MFH
  • giant cell MFH
  • inflammatory MFH

Fasciitis and myositis

• nodular fasciitis
• proliferative fasciitis
• ischemic fasciitis
• proliferative myositis
• myositis ossificans

Smooth muscle

• angioleiomyoma
• leiomyoma
• leiomyosarcoma
• myopericytoma

Nerve

• MPNST
• epithelioid MPNST
• hybrid nerve sheath tumor
• schwannoma
• melanotic schwannoma
• neurofibroma
• neuroma
• meningioma
• perineurioma
• dermal nerve sheath myxoma
• nasal glial heterotopia
• triton tumor
• granular cell tumor
• ectomesenchymoma
• ganglioneuroma

Inflammatory

• inflammatory myofibroblastic tumor
• atypical fibroxanthoma
• IgG4 retroperitoneal fibrosis
• inflammatory myofibroblastic tumor
• angiomatoid fibrous histiocytoma

Other

• synovial sarcoma
• GIST
• spindle cell rhabdomyosarcoma
• ectopic hamartomatous thymoma
• phosphaturic mesenchymal tumor

Undifferentiated spindle cell sarcoma