Esophageal Liposarcoma and Fibrovascular Polyp Pathology
Summary
Esophageal liposarcoma and fibrovascular polyps represent exceedingly rare mesenchymal lesions of the oesophagus, together accounting for less than 1% of all oesophageal tumours. Fibrovascular polyps are benign, pedunculated submucosal growths composed of fibrous and vascular tissue, which may attain considerable length and present with dysphagia, regurgitation or life-threatening airway obstruction. Liposarcomas, by contrast, are malignant adipocytic neoplasms that may arise de novo within the oesophageal wall or evolve from long-standing lipomatous polyps. Histological subtypes include well-differentiated, dedifferentiated, myxoid and pleomorphic forms, each with distinct prognostic implications. Modern diagnostic pathways integrate endoscopic evaluation, endoscopic ultrasound and cross-sectional imaging to characterise lesion morphology and vascularity. Therapeutic strategies range from endoscopic polypectomy and submucosal dissection for pedunculated or superficial lesions to minimally invasive thoracoscopic or open resection for deeper or malignant tumours. Prognosis depends on completeness of excision, histological grade and the potential for local recurrence, underscoring the need for long-term surveillance.
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Esophageal Liposarcoma and Fibrovascular Polyp Pathology publication trend
The graph below shows the total number of articles in esophageal liposarcoma and fibrovascular polyp pathology across all publications each year (not limited to Nature Index journals).
Technical terms
Liposarcoma: A malignant soft-tissue tumour of adipocytic origin, exhibiting variable differentiation from mature fat cells to pleomorphic lipoblasts.
Fibrovascular polyp: A benign, stalked submucosal mass composed of fibrous connective tissue and blood vessels, often pedunculated and intraluminal.
Endoscopic submucosal dissection (ESD): A minimally invasive endoscopic technique allowing en bloc removal of submucosal lesions by dissecting the layer beneath the mucosa.
Oesophagectomy: Surgical resection of a portion or the entirety of the oesophagus, indicated for invasive or high-grade malignant lesions.
Fluorescence in situ hybridisation (FISH): A molecular cytogenetic method for detecting specific DNA sequences in tissue sections, aiding in tumour subtype classification.
References
- Esophageal Lipoma and Liposarcoma: A Systematic Review. World Journal of Surgery (2020).
- Dedifferentiated Liposarcoma in a Giant Esophageal Polyp: A Case Report and Review of the Literature. Cureus (2019).
- Giant esophageal liposarcoma with squamous cell carcinoma resected via the cervical approach: a case report. Surgical Case Reports (2022).
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