<prompt> Thymus gland abscess seen in congenital syphilis is called asFouchiers abscessPolitzeri abscessDouglas abscessDubois abscess  <response>: Abscesses of the thymus gland were first described by Dubois in 1850 as a product of congenital syphilis. Chiari believed that the Dubois abscess was a cyst formed by the thymus tissue invading Hassalls corpuscles, the result of pronounced syphilitic changes.Key Concept:An abscess of the thymus also known as Dubois abscess is a condition that is one of many possible causes of cysts in the mediastinum. It can present with chest pain behind the sternum. It can be associated with congenital syphilis. 