Related Experiment Video
Updated: Mar 26, 2026

08:57
Author Spotlight: Genetically Engineered Mouse Models and Pathological Characterization of Neurofibromatosis Type 1 Associated Tumors
Published on: May 17, 2024
2.8K
Myofibroblastic Tumors in Children
1Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA 02115, USA.
Surgical Pathology Clinics
|February 4, 2016
Summary
Pediatric myofibroblastic tumors are a diverse group of childhood neoplasms. Understanding their molecular genetics aids in accurate diagnosis and management of these rare tumors.
Area of Science:
- Pediatric Oncology
- Soft Tissue Pathology
- Molecular Genetics
Background:
- Pediatric myofibroblastic tumors represent a heterogeneous group of neoplasms.
- These tumors range from benign to malignant, necessitating accurate classification for prognosis and management.
- Identification of familial syndromes is crucial in some cases.
Purpose of the Study:
- To discuss the clinical and pathologic features of pediatric myofibroblastic tumors.
- To emphasize the differential diagnosis of these neoplasms.
- To highlight the role of molecular genetics in improving diagnostic tools.
Main Methods:
- Review of clinical and pathologic features of pediatric myofibroblastic tumors.
- Emphasis on diagnostic challenges and differential considerations.
- Integration of molecular genetic findings into diagnostic approaches.
Main Results:
- Immunohistochemistry has a limited role in diagnosing most pediatric myofibroblastic tumors, with specific exceptions.
- Molecular genetic insights have improved diagnostic capabilities for certain tumor types.
- Accurate classification is essential for patient management and prognostication.
Conclusions:
- Pediatric myofibroblastic tumors require careful clinical and pathologic evaluation.
- Molecular genetics is increasingly important for the diagnosis of these tumors.
- Improved diagnostic tools enhance patient care and understanding of familial syndromes.
Related Concept Videos
Introduction to Fibroblasts
4.3K
Rudolph Virchow discovered spindle-shaped cells called fibroblasts in 1858. Inactive fibroblasts, called fibrocytes, become activated by various stimuli, such as growth factors and inflammatory cytokines. Activated fibroblasts play a crucial role in wound healing, inflammation, formation of new blood vessels, and cancer progression. Uncontrolled activation of fibroblasts results in fibrosis, the excess deposition of fibrous tissue, which can lead to scarring and affect normal organs. This...
4.3K
Formation of Muscle Fibers from Myoblasts
6.8K
De novo myogenesis, or the formation of muscle fibers, begins during the early embryonic stages. The skeletal muscle is formed from somites– blocks of embryonic cell layers. The somites are further divided into dermatomes, myotomes, sclerotomes, and syndetomes. Among these, the myotomes give rise to muscle fibers.
Muscle progenitor cells (MPCs) are formed from the myotomes. MPCs express genes that encode the transcription factors Pax3 and Pax7. Along with Pax 3/7, other transcription...
Muscle progenitor cells (MPCs) are formed from the myotomes. MPCs express genes that encode the transcription factors Pax3 and Pax7. Along with Pax 3/7, other transcription...
6.8K
The Retinoblastoma Gene
4.9K
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
The first-ever tumor suppressor gene called Rb was identified in retinoblastoma - a rare eye tumor in children. In inherited forms of the disease, a child inherits one defective copy of the Rb gene, which predisposes them to retinoblastoma. However,...
4.9K

