Gynaecomastia caused by a primary XXXX .

@entity1 @entity7807 @entity5 @entity900 @entity53 @entity2879 @entity3 @entity4797
The case of a young @entity1 aged 26 is reported. He presented with a short history of painful gynaecomastia, and no other associated symptoms. Radiological investigations showed a mass in the anterior mediastinum. Endocrine investigations showed high circulating @entity53 and high @entity7807 levels. There was no evidence of primary @entity5 or @entity3 . Surgical removal of the mediastinal mass led to normalization of @entity53 and @entity7807 levels and regression of gynaecomastia. Histology showed the @entity5 to be a primary @entity4797 staining positively for @entity7807 . Further treatment consisted of chemotherapy with @entity2879 and @entity900 . The @entity1 has remained well with no evidence of disease recurrence. The @entity5 markers remain normal.
