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Inflammatory myofibrohistiocytic proliferation simulating sarcoma in children.
T T Tang1, A D Segura, H W Oechler
1Department of Pathology, Children's Hospital of Wisconsin, Medical College of Wisconsin, Milwaukee 53201.
Cancer
|April 1, 1990
Summary
Inflammatory myofibrohistiocytic proliferation (IMP), previously known as inflammatory pseudotumor, can occur outside the lungs in children. Early diagnosis is crucial to distinguish IMP from sarcomas.
Area of Science:
- Pediatric Pathology
- Oncology
- Surgical Pathology
Background:
- The term "inflammatory myofibrohistiocytic proliferation" (IMP) is proposed to encompass entities previously termed plasma cell granuloma or inflammatory pseudotumor.
- IMP is a rare, potentially locally aggressive tumor of children and young adults.
Observation:
- Three pediatric cases of extrapulmonary IMP are presented.
- One case involved a previously undescribed intracerebral lesion.
- Associated findings in children include anemia, hypergammaglobulinemia, and elevated ESR.
Findings:
- IMP exhibits diverse clinical presentations, including rare central nervous system involvement.
- Systemic inflammatory markers may accompany IMP in pediatric patients.
- Histopathological features are essential for diagnosis.
Implications:
- Recognition of IMP is vital for appropriate patient management.
- Accurate differentiation from malignant sarcomas is critical for treatment decisions.
- Further research into IMP pathogenesis and behavior is warranted.