title: Thymic cyst appearing after treatment of mediastinal non-Hodgkin lymphoma.
abstract: We report the first case of a thymic cyst appearing in the course of treatment for non-Hodgkin lymphoma of the anterior mediastinum. The patient was a 9-year-old child in whom an abnormal contour of the left cardiac border persisted after chemotherapy, suggesting residual disease. The mass was found at thoracotomy to be a benign thymic cyst. The lesion was not present 2 years previously, and most likely represented cystic degeneration of the thymus, secondary to lymphomatous involvement. CT scan was not helpful in distinguishing the cystic lesion from residual lymphoma.
authors.affiliation: Department of Pediatrics, University of Verona, Italy.
authors.forename: C
authors.initials: C
authors.lastname: Borgna-Pignatti
authors.forename: I B
authors.initials: IB
authors.lastname: Andreis
authors.forename: S
authors.initials: S
authors.lastname: Rugolotto
authors.forename: R
authors.initials: R
authors.lastname: Balter
authors.forename: L
authors.initials: L
authors.lastname: Bontempini
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D008476:Mediastinal Cyst / Q000175:diagnosis / Q000209:etiology*; D008479:Mediastinal Neoplasms / Q000150:complications* / Q000628:therapy; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000150:complications* / Q000628:therapy