Annales de pathologie · 2014
[Sarcomatoid carcinoma of the lung: retrospective study of 28 cases].
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Zehani Alia, Ayadi-Kaddour Aïda, Marghli Adel, Maamouri Hela, Kassar Lamia, Kilani Tarek, El Mezni Faouzi
Аннотация
INTRODUCTION: Sarcomatoid carcinoma (SC) of the lung is defined by the World Health Organization as poorly differentiated non-small cell carcinoma that contains a component of sarcoma or sarcoma-like elements. It represents an overall continuum of epithelial and mesenchymal differentiation. Five subtypes are recognized: pleomorphic carcinoma, spindle cell carcinoma, giant cell carcinoma, carcinosarcoma, and pulmonary blastoma. The diagnosis is pathological and requires a good sampling of the tumor.
PATIENTS AND METHODS: Twenty-eight cases of primary sarcomatoid carcinoma, diagnosed between 1993 and 2010, were reviewed retrospectively, noting the clinicopathological characteristics.
RESULTS: The patient population consisted of 25 males and 3 females with mean age of 62.9 years (48-75 years). The symptomatology was dominated by respiratory symptoms. Imaging features showed a pulmonary mass invading pleura or thoracic wall in 5 cases. The diagnosis was made in all cases on histological examination. These 28 tumors were divided as below: into 19 pleomorphic carcinomas, 4 giant cell carcinomas, 1 spindle cell carcinoma and 4 carcinosarcomas. Twenty-seven tumors were treated surgically. Associated treatments were neoadjuvant (3 cases) or adjuvant chemotherapy (1 case) and preoperative radiotherapy (5 cases). Deaths occurred in 7 patients. Twenty-two patients were lost to follow up.
CONCLUSION: These tumors are frequently symptomatic, are locally advanced, and have higher rates of recurrence. Its prognosis is worse than that of other non-small cell lung cancer.
PATIENTS AND METHODS: Twenty-eight cases of primary sarcomatoid carcinoma, diagnosed between 1993 and 2010, were reviewed retrospectively, noting the clinicopathological characteristics.
RESULTS: The patient population consisted of 25 males and 3 females with mean age of 62.9 years (48-75 years). The symptomatology was dominated by respiratory symptoms. Imaging features showed a pulmonary mass invading pleura or thoracic wall in 5 cases. The diagnosis was made in all cases on histological examination. These 28 tumors were divided as below: into 19 pleomorphic carcinomas, 4 giant cell carcinomas, 1 spindle cell carcinoma and 4 carcinosarcomas. Twenty-seven tumors were treated surgically. Associated treatments were neoadjuvant (3 cases) or adjuvant chemotherapy (1 case) and preoperative radiotherapy (5 cases). Deaths occurred in 7 patients. Twenty-two patients were lost to follow up.
CONCLUSION: These tumors are frequently symptomatic, are locally advanced, and have higher rates of recurrence. Its prognosis is worse than that of other non-small cell lung cancer.