Esophageal Squamous Cell Carcinoma Phenomena and Clinical Implications
Summary
Esophageal squamous cell carcinoma (ESCC) represents a major global health burden, particularly prevalent across the so-called “Asian belt.” Arising from the squamous epithelium of the oesophagus, ESCC development is driven by a complex interplay of environmental exposures—most notably tobacco, alcohol and dietary carcinogens—and genetic susceptibility factors such as polymorphisms in alcohol‐metabolising enzymes. Clinically, ESCC often presents at an advanced stage, with a five-year survival rate below 25% in many regions. Early-stage lesions may be amenable to endoscopic approaches, whereas locally advanced disease typically requires multimodal therapy combining chemoradiotherapy and surgery. A key challenge in management is the high incidence of synchronous or metachronous secondary primary malignancies (SPMs), frequently arising in the head, neck and gastrointestinal tract, which compound morbidity and demand vigilant long-term surveillance. Advances in endoscopic imaging and resection techniques have improved detection of superficial ESCC and related dysplastic lesions, but gaps remain in reliable risk stratification, preventive measures and personalised treatment protocols. Integrating molecular biomarkers, refined endoscopic criteria and epidemiological models is critical to translate mechanistic insights into improved patient outcomes and cost-effective screening strategies.
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Esophageal Squamous Cell Carcinoma Phenomena and Clinical Implications publication trend
The graph below shows the total number of articles in esophageal squamous cell carcinoma phenomena and clinical implications across all publications each year (not limited to Nature Index journals).
Technical terms
Esophageal squamous cell carcinoma (ESCC): A malignant tumour originating from the stratified squamous epithelium lining the oesophagus.
Metachronous secondary primary malignancy (SPM): A new, distinct cancer arising in a patient previously diagnosed with ESCC, occurring more than one year after the initial diagnosis.
Lugol-voiding lesions (LVLs): Areas of oesophageal mucosa that fail to absorb iodine during endoscopy, indicative of dysplasia or early neoplasia.
Endoscopic submucosal dissection (ESD): A minimally invasive technique for en bloc resection of superficial gastrointestinal neoplasms, including early ESCC, allowing precise histopathological assessment.
References
- ADH1B and ALDH2 are associated with metachronous SCC after endoscopic submucosal dissection of esophageal squamous cell carcinoma. Cancer Medicine (2016).
- Risk of second primary malignancies after definitive treatment for esophageal cancer: A competing risk analysis. Cancer Medicine (2019).
- Prevention Strategies for Esophageal Cancer—An Expert Review. Cancers (2021).
- Second primary malignancies in patients with clinical T1bN0 esophageal squamous cell carcinoma after definitive therapies: supplementary analysis of the JCOG trial: JCOG0502. Journal of Gastroenterology (2022).
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