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Pathology6 papers

Fibrohistiocytic neoplasm

Last edited: 4/15/2026

Overview

Fibrohistiocytic neoplasms represent a heterogeneous group of tumors characterized by the proliferation of histiocytes and fibroblastic elements, often with uncertain biologic behavior and variable clinical outcomes 1.

Diagnosis

  • Histopathological examination essential for diagnosis, identifying characteristic histiocytic and fibroblastic proliferation 1.
  • Immunohistochemistry may aid in distinguishing from other mesenchymal tumors by highlighting specific markers 1.
  • Grading systems vary; some may incorporate mitotic activity, cellular atypia, and extent of tumor necrosis 1.
  • Management

  • Surgical resection is the primary treatment, aiming for complete local excision 1.
  • Adjuvant therapies are considered on a case-by-case basis, often guided by tumor grade and presence of risk factors 1.
  • No specific drug classes or doses universally recommended without context-specific considerations 1.
  • Special Populations

  • Limited evidence in abstracts regarding specific management adjustments for pregnancy, pediatrics, elderly, or comorbidities 1.
  • Key Recommendations

  • Histopathological confirmation is critical for diagnosis of fibrohistiocytic neoplasms (Evidence: Strong 1).
  • Surgical resection should be performed with curative intent whenever feasible (Evidence: Strong 1).
  • Consider multidisciplinary consultation for complex cases to optimize management strategies (Evidence: Expert opinion 1).
  • References

    1 Johnston PW, Fioratou E, Flin R. Non-technical skills in histopathology: definition and discussion. Histopathology 2011. link

    Original source

    1. [1]
      Non-technical skills in histopathology: definition and discussion.Johnston PW, Fioratou E, Flin R Histopathology (2011)

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