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Metastasis02:30

Metastasis

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Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
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Related Experiment Video

Updated: Apr 4, 2026

Isolating Human Peripheral Blood Mononuclear Cells and CD4+ T cells from Sézary Syndrome Patients for Transcriptomic Profiling
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Mediastinal small cell carcinoma: a unique clinical entity?

W Dai1, M Liu2, X Zhuang1

  • 1Department of Thoracic Surgery, Sichuan Cancer Hospital, Chengdu, China.

Clinical & Translational Oncology : Official Publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico
|September 3, 2015
PubMed
Summary

Mediastinal small cell carcinoma (MSCC) is a rare cancer. Chemoradiotherapy is recommended for limited-disease MSCC, showing better survival than chemotherapy alone.

Keywords:
DiagnosisMediastinumMultimodal treatmentOriginRetrospective reviewSmall cell carcinoma

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Area of Science:

  • Oncology
  • Thoracic Surgery
  • Medical Oncology

Background:

  • Mediastinal small cell carcinoma (MSCC) is a rare malignancy with limited research.
  • Diagnostic confusion exists regarding the origin and classification of MSCC.
  • Understanding MSCC's clinical features, management, and outcomes is crucial.

Purpose of the Study:

  • To investigate the origin of MSCC.
  • To analyze the clinical features, management strategies, and survival outcomes of MSCC patients.
  • To clarify the diagnostic and therapeutic landscape of this rare tumor.

Main Methods:

  • Retrospective review of clinical data from 25 MSCC patients.
  • Pathological confirmation of small cell carcinoma (SCC) with primary lesions in the mediastinum.
  • Survival data collected through follow-up studies.

Main Results:

  • 22 patients had limited disease (LD), 3 had extensive disease (ED).
  • Median survival time (MST) was 22 months overall; 23 months for LD, 8 months for ED (P=0.005).
  • Chemoradiotherapy for LD MSCC showed a trend towards better MST (29 months) compared to chemotherapy alone (12 months).

Conclusions:

  • MSCC may represent a distinct clinical entity, similar to extrapulmonary small cell carcinomas (EPSCCs).
  • Multimodal treatment is standard, but chemoradiotherapy is suggested as the preferred modality for LD MSCC.
  • Further research is warranted to establish optimal treatment guidelines for MSCC.