Liposarcoma of Hypopharynx and Esophagus: a Unique Entity?

被引：24
作者：
Riva G. [1 ]
Sensini M. [1 ]
Corvino A. [1 ]
Garzaro M. [1 ]
Pecorari G. [1 ]
机构：
[1] 1st ENT Division, Surgical Sciences Department, University of Turin, Via Genova 3, Turin
来源：
Journal of Gastrointestinal Cancer | 2016年 / 47卷 / 2期
关键词：
Esophageal cancer; Esophageal neoplasms; Hypopharyngeal cancer; Hypopharyngeal neoplasms; Liposarcoma;
D O I：
10.1007/s12029-016-9808-6
中图分类号：
学科分类号：
摘要：
Purpose: Liposarcoma is the most common soft tissue sarcoma in adults. It represents approximately 20 % of all mesenchymal malignancies. It most frequently involves retroperitoneum, trunk, and extremities. Hypopharyngeal and esophageal localization of liposarcoma is extremely rare. Methods: We performed a systematic review of literature and reported 26 and 33 cases of hypopharyngeal and esophageal liposarcoma. We analyzed natural history, imaging features, histology, treatment, and prognosis, with a specific focus to similarities and differences between tumors of hypopharynx and esophagus. Results: Hypopharyngeal and esophageal liposarcomas have more similarities than differences. Incidence has a peak at 6th and 7th decades. The diagnostic procedures are barium swallow, endoscopic examination, and CT/MR imaging. Well-differentiated liposarcoma represents the most frequent histological subtype. Surgical excision is the main treatment. Endoscopic resection can be useful for pedunculated tumors of hypopharynx and cervical esophagus. Differences between hypopharyngeal and esophageal liposarcoma are represented by local recurrence rate (greater for hypopharyngeal tumors), number of giant tumors, and time to recurrence (greater for esophageal tumors). Finally, liposarcomas of distal esophagus need more extended approaches. Conclusions: Liposarcomas of hypopharynx and cervical esophagus could be considered a unique pathological entity, with similar features and treatment options. Survival rate is dependent on histological type and location. Local recurrence is common, especially for hypopharyngeal liposarcoma, while the risk of lymph node or distant metastasis is very low. Patients should undergo regular examinations to rule out local recurrence, also for a long time, especially for esophageal tumors. © 2016, Springer Science+Business Media New York.
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页码：135 / 142
页数：7
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