fusiform cell tumors

See also :
 fibrous tumors
 diagnosis of fusiform cell tumors
 benign fusiform cell tumors
 cellualr shapes : fusiform cells

Examples

 cytology

• https://twitter.com/DrFahadAlam/status/1105474801282375680

Digital cases

 Case 219 : Desmoid fibromatosis
 UI:868 - Abdominal desmoid fibromatosis

Differentiation

  fibroblastic tumors

• benign fibroblastic tumors : fibromas
• intermediate fibroblastic tumors
• malignant fibroblastic tumors

 myofibroblastic tumors

• palmar fibromatosis / plantar fibromatosis / penile fibromatosis
• desmoid fibromatosis
• infantile myofibromatosis / solitary myofibroma
• nodular fasciitis
• inflammatory myofibroblastic tumor (IMT)
• myofibroblastoma

 fibrohistiocytic tumors

• dermatofibroma ( DF ) / histiocytofibroma
• dermofibrosarcoma protuberans ( DFSP )

 lipofibroblastic tumors (lipofibromatosis)

 synovial tumors ( synoviocytic tumors )

• synovial sarcoma
  • monophasic synovial sarcoma

 peripheral nerve sheath tumors

• schwannomas and neurofibromas
• perineuriomas
• malignant peripheral nerve sheath tumor ( MPNST )

 smooth muscle cell tumors

• leiomyomas
• leiomyosarcomas
• EBV-associated smooth muscle cell tumor

 striated muscle cell tumors

• rhabdomyosarcomas

 adipocytic tumors

• spindle cell lipoma
• dedifferentiated liposarcoma ( DDLS )

  vascular tumors ( endothelial cell tumors )

• Kaposi sarcoma
• spindle cell hemangioma
  • Image: https://twitter.com/histiocytosisX/status/715931392580927488

 CD117+ gastrointestinal stromal tumors ( GIST )
 CD34+ solitary fibrous tumor ( SFT / " hemangiopericytoma ")

 fusiform cell melanocytic tumors

• spindle cell melanoma / fusiform cell melanoma

 spindle cell carcinomas ( fusiform cell carcinomas )

Differential diagnosis

 calcifying fusiform cell tumors (see also : calcifying tumors )

Variants

 pleomorphic spindle cell tumors
 fusiform cell tumors with inflammatory background
* inflammatory myofibroblastic tumor

IHC differential diagnos

 CD117+ fusiform cell tumors as gastrointestinal stromal tumors ( GIST )
 CD34+ fusiform cell tumors as solitary fibrous tumor ( SFT / " hemangiopericytoma ")
 BCL2+ fusiform cell tumors as monophasic synovial sarcoma

Some images

 spindle cell melanoma / fusiform cell melanoma

• https://twitter.com/cassarino_david/status/717892359229341696

Localization

 cutaneous spindle cell tumors
 digestive spindle cell tumors
 mammary spindle cell tumors
 soft tissue spindle cell tumors
 prostatic spindle cell tumors
 uterine spindle cell tumors
 ovarian spindle cell tumors

Types

 benign fusiform cell tumors
 malignant fusiform cell tumors
 fusiform cell benign tumors
 fusiform cell sarcomas

See also

 tumors

• fibrous tumors
• round cell tumors
  • large round cell tumors
  • small round cell tumors

 diagnosis of tumors