Soft tissues

• clear cell tumors of soft tissues
  24 February 2022

  Examples clear cell sarcoma of soft tissues (soft parts melanoma) clear cell metastasis renal cell carcinoma metastasis https://twitter.com/DrGeeONE/status/1496586056690458631

• diagnosis of soft tissue tumors
  7 October 2020

  PO
  See also
  diagnostic pathology
  tumor diagnostic / tumoral diagnostic

• WHO classification of soft tissue tumors (2013)
  7 October 2020

  WHO classification of soft tissue tumors (2002)

• WHO classification of soft tissue tumors (2002)
  7 October 2020

  WHO classification of soft tissue tumors (2002)
  1. adipocytic tumors (fatty tumors)
  2. fibroblastic tumors/myofibroblastic tumors
  3. so-called fibrohistiocytic tumors
  4. smooth muscle tumors
  4A. benign smooth muscle tumors
  leiomyoma (cutaneous, deep, pleomorphic)
  angiomyoma (vascular leiomyoma)
  epithelioid leiomyoma
  intravenous leiomyomatosis
  leiomyomatosis peritonealis disseminata
  4B. malignant smooth muscle tumors
  leiomyosarcoma
  epithelioid leiomyosarcoma
  5. pericytic (...)

• soft tissue
  7 October 2020

  soft tissues PO
  Pathology
  soft tissue tumors / tumors of the soft tissue

• epithelioid tumors of soft tissue
  25 August 2020

  epithelioid tumors of soft tissues
  Types
  synovial sarcoma
  extraskeletal myxoid chondrosarcoma
  myopeithelial tumors
  clear cell sarcoma
  malignant rhabdoid tumor MRT
  alveolar soft part sarcoma
  desmoplastic small round cell tumor (DSRCT)
  dedifferentiated liposarcoma
  GIST gastrointestinal stromal tumor
  epithelioid hemangioendothelioma of soft tissues
  See also
  epithelioid tumors
  soft tissue tumors / tumors of soft (...)

• angiofibroma of soft tissue
  30 January 2020

  PO
  Differential diagnosis
  cellular angiofibroma usually in genital region, more cellular, usually ER+, PR+
  low-grade fibromyxoid sarcoma often > 6 cm and infiltrative, 45% have epithelioid areas, 40% contain poorly formed but large collagen rosettes
  low-grade myxofibrosarcoma infiltrative borders, often sends out long tentacles, more solid areas are often seen similar to typical undifferentiated pleomorphic sarcom; has curvilinear vessels (thick walled with broad arc) with (...)

• extrapleural solitary fibrous tumor
  25 October 2019

  Extrapleural SFT WKP PO
  Definition: The solitary fibrous tumor (SFT) is a spindle cell tumor first described in the pleura, but also found in multiple extrathoracic sites including the meninges, orbit, nasal and paranasal sinuses.
  Solitary fibrous tumor represents a spectrum of mesenchymal tumors, encompassing tumors previously termed hemangiopericytoma, which are classified as having intermediate biological potential (rarely metastasizing) in the 2002 World Health Organization (...)

• mycobacterial spindle cell pseudotumor
  4 January 2018

  Definition: Mycobacterial spindle cell pseudotumor (MSP) is a rare benign lesion characterized by local proliferation of spindle-shaped histiocytes containing acid-fast mycobacteria.
  Mycobacterial spindle cell pseudotumor is a rare tumor-like lesion characterized by the proliferation of spindle cells engorged with mycobacterial microorganisms.
  Most reported cases of MSP occur in the lymph nodes, skin, spleen, and brain in patients who are immunocompromised, particularly following solid (...)

• massive localized lymphedema
  2 May 2017

  MLL
  The etiology of MLL is not entirely clear, but lymphatic obstruction associated with morbid obesity (body mass index greater than 40 kg/m2) likely plays a role.
  MLL presents as a progressively enlarging mass with overlying indurated peau d’orange skin, most commonly involving the thigh.
  Histopathologically, there is papillomatosis and hyperkeratosis overlying alternating edema and fibrosis of the dermis, expansion of the fibrous septa of mature subcutaneous fat, dilated lymphatics and (...)

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