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 ORIGINAL ARTICLE
Year : 2014  |  Volume : 51  |  Issue : 2  |  Page : 109-112

Thymoma: First large Indian experience


1 Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, India
2 Department of Biostatistics, Tata Memorial Hospital, Mumbai, India
3 Department of Medical Oncology, Tata Memorial Hospital, Mumbai, India

Correspondence Address:
J P Agarwal
Department of Radiation Oncology, Tata Memorial Hospital, Mumbai
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-509X.138144

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Background: Thymoma is the most common tumor of the anterior mediastinum. Surgery is mainstay of treatment, with adjuvant radiation recommended for invasive thymoma. Because of rarity, prospective randomized trials may not be feasible even in multicentric settings hence the best possible evidence can be large series. Till date Thymoma has not been studied in Indian settings. Materials and methods: All patients presenting to Thoracic disease management group at our Centre during 2006-2011 were screened. Sixty two patients' with histo-pathological confirmation of thymoma medical records could be retrieved and are presented in this study. Mosaoka staging and WHO classification was used. The clinical, therapeutic factors and follow up parameters were recorded and survival was calculated. Effects of prognostic factors were compared. Results: Sixty two patients were identified (36M, 26F; age 22-84, median 51.5 years) and majorities (57%) of thymoma were stage I-II. WHO pathological subtype B was most common 30 (49%). Mean tumor size was smaller in patients with myasthenia (5.3cm) than the entire group (7.6cm). Neoadjuvant therapy was offered to five unresectable stages III or IV a patient's with 40% resectability rates. Median overall survival was 60 months (Inter quartile-range 3-44 months) with overall survival rate (OS) at three year being 90%. Resectable tumors had better outcomes (94%) than non resectable (81%) at three years. Mosaoka Stage was the only significant (P = 0.03) prognostic factor on multivariate analysis. Conclusion: This is first thymoma series from India with large number of patients where staging is an important prognostic factor and surgery is the mainstay of therapy. In Indian context aggressive multimodality treatment should be offered to advanced stage patients and which yields good survival rates and comparable.






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