<prompt> Myasthenia gravis is associated with:HypergammaglobulenaemiaThymomaSquamous cell carcinomaHepatic adenoma  <response>: Thymoma: Ref: 882-HM 476- Basic pathology 8thMYASTHENIA GRAVIS: - In which the acetylcholine receptors AchR in the motor and plates of the muscles are damaged. Several other autoimmune disease have been found associated with MG such as autoimmune thyroiditis, rheumatoid arthritis, SLE, pernicious anaemia and collagen vascular diseaseThymoma is the most common primary tumor of anterior mediastinum associated with M. gravis Thymoma are known for their association with paraneoplastic syndrome, These include: Myasthenia gravis Most common hypogammaglobulinaemia, erythroid hypoplasia Pure red cell aplasia, peripheral T. cell leukaemia, multiple myeloma, other autoimmune disease associations and other systemic malignancies. 