Related Experiment Video
Updated: Jul 6, 2026

08:57
Identifying, Diagnosing, and Grading Malignant Peripheral Nerve Sheath Tumors in Genetically Engineered Mouse Models
Published on: May 17, 2024
Musculoskeletal desmoid tumors.
Harish S Hosalkar1, Jesse T Torbert, Edward J Fox
1Department of Orthopaedic Surgery, University of Pennsyvania, 3400 Spruce Street, Philadelphia, PA 19104, USA.
Summary
Desmoid tumors are benign but locally aggressive soft-tissue growths. Low-dose chemotherapy is a recommended initial treatment to avoid morbidity from local therapies.
Area of Science:
- Oncology
- Radiology
- Surgical Pathology
Background:
- Desmoid tumors are benign neoplasms characterized by local aggressiveness and varied growth patterns.
- Accurate assessment of soft-tissue lesions and surrounding structure involvement is crucial.
- Magnetic resonance imaging (MRI) is the preferred diagnostic modality.
Purpose of the Study:
- To summarize the characteristics and management of desmoid tumors.
- To highlight the role of imaging and multidisciplinary care.
- To evaluate treatment strategies, including the utility of low-dose chemotherapy.
Main Methods:
- Review of current literature on desmoid tumor diagnosis and treatment.
- Emphasis on the role of Magnetic Resonance Imaging (MRI) for lesion assessment.
- Discussion of various therapeutic modalities: surgery, chemotherapy, hormonal therapy, and radiation therapy.
Main Results:
- Desmoid tumors present with local aggressiveness and diverse growth patterns.
- MRI is the gold standard for evaluating soft-tissue lesions and adjacent structure involvement.
- Multidisciplinary care is essential for optimal management of these benign tumors.
Conclusions:
- Low-dose chemotherapy is an effective first-line treatment, particularly when local interventions risk significant morbidity.
- A combination of treatment strategies, guided by multidisciplinary input, is often necessary.
- Despite their benign nature, desmoid tumors require careful management due to their potential for local aggression.
Related Concept Videos
Desmosomes
The term desmosome derives from the Greek words "desmo" and "soma" meaning "adhesion bodies." This structure was first observed during the late 1800s and described as small, dense nodules in the epidermis. Desmosomes are button-like structures that help form an interlinked network of intermediate filaments across the cells. These junctions are essential to hold cells together under mechanical stress and to maintain tissue integrity. Desmosomes are multi-protein complexes comprising desmosomal...
Satellite Stem Cells and Muscular Dystrophy
Satellite stem cells or myosatellite cells are quiescent stem cells that Alexander Mauro first identified in 1961. These cells are located between the sarcolemma, the plasma membrane of muscle fibers, and the basal lamina, the connective tissue sheath covering it. These mononucleated cells are activated in response to muscle injury, can transform into myoblasts, and may form or repair muscle fibers. Myosatellite cells can provide additional myonuclei for muscle regeneration or return to a...
Disorders of the Skeletal Muscle
The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...
Musculoskeletal disorders
Musculoskeletal disorders involve injuries and conditions affecting the skeletal muscles and associated connective tissues. These disorders can arise from acute biomechanical stresses or chronic overuse and can occur across different age groups. Common injuries include sprains, fractures, and muscular strains, often resulting from...