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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...
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Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
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Rhabdomyosarcoma.

Roshni Dasgupta1, Jörg Fuchs2, David Rodeberg3

  • 1Division of Pediatric General and Thoracic Surgery, Cincinnati Children׳s Hospital Medical Center, Cincinnati, OH.

Seminars in Pediatric Surgery
|December 14, 2016
PubMed
Summary
This summary is machine-generated.

Rhabdomyosarcoma (RMS), a childhood striated muscle tumor, shows improved survival with multimodality therapy. Complete surgical resection is crucial for better prognosis and risk stratification in RMS treatment.

Keywords:
Local controlRhabdomyosarcomaSurgical resection

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Area of Science:

  • Pediatric Oncology
  • Surgical Oncology
  • Cancer Biology

Background:

  • Rhabdomyosarcoma (RMS) is a malignant tumor originating from striated muscle.
  • RMS is a significant childhood cancer with a complex treatment landscape.
  • Multimodality therapy has improved overall 5-year survival rates to over 70%.

Purpose of the Study:

  • To review the prognostic factors influencing rhabdomyosarcoma outcomes.
  • To highlight the importance of surgical resection and risk stratification in RMS management.
  • To emphasize the surgeon's role in optimizing patient outcomes.

Main Methods:

  • Review of prognostic indicators for rhabdomyosarcoma.
  • Analysis of multimodality treatment strategies based on risk stratification.
  • Evaluation of the impact of surgical resection completeness on survival.

Main Results:

  • Prognosis is significantly influenced by tumor site, patient age, resection completeness, metastatic burden, histology, and tumor biology.
  • Postoperative clinical grouping, assessing resection completeness and lymph node status, is a unique and vital aspect of RMS management.
  • Complete microscopic resection of disease at all sites is associated with improved survival.

Conclusions:

  • Surgical intervention is paramount for achieving local tumor control and improving survival in rhabdomyosarcoma patients.
  • Accurate risk stratification, incorporating surgical findings, is essential for tailoring effective multimodality treatment.
  • The surgeon's role is central to determining patient risk stratification and overall outcome in rhabdomyosarcoma.