S., SowmyaMohanraj, AnbarasuRaman, KarthikMohandoss, Bharath Kumar2020-11-182020-11-182019-11S. Sowmya, Mohanraj Anbarasu, Raman Karthik, Mohandoss Bharath Kumar. Idiopathic multilocular thymic cyst-an incidental anterior mediastinal mass. International Journal of Research in Medical Sciences. 2019 Nov; 7(11): 4392-43952320-60712320-6012http://imsear.searo.who.int/handle/123456789/211922Acquired thymic cyst are multilocular and they occur de novo or in association with mediastinal neoplasm, systemic autoimmune diseases and trauma. Here, we report a case of acquired multilocular thymic cyst due to non-specific inflammatory etiology in a 42-year old gentleman and our approach to diagnosis and management of anterior mediastinal mass. With no specific clinical symptom, he was diagnosed with anterior mediastinal mass incidentally by imaging studies. Definitive diagnosis of multilocular thymic cyst was obtained by tissue diagnosis of the anterior mediastinal mass resected during the surgery.Anterior mediastinal mass, Teratoma, Thymic cyst, Video-assisted thoracoscopic surgeryJournal ArticleIndiaDepartment of Cardiothoracic and Vascular Surgery, Institute of Cardiovascular Diseases, The Madras Medical Mission, Chennai, Tamil Nadu, India