Benign thymic enlargement in adults after chemotherapy: CT demonstration

C. M. Kissin, J. E. Husband, D. Nicholas, W. Eversman

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Abstract

Serial computed tomographic (CT) scans of 200 patients with malignant testicular teratomas were reviewed. Of the 200 patients, 120 were treated with chemotherapy for metastatic disease; 80 patients with no evidence of metastases (stage I disease) received no treatment and served as a control group. CT was performed at regular intervals for ongoing follow-up in both groups. Thymic enlargement occurred 3-14 months after initiation of treatment in 14 of the 120 patients (11.6%) who received chemotherapy but in only one patient in the control group. Histologic examination in one patient who received chemotherapy revealed that the thymic enlargement represented true hyperplasia. Thirteen of the 14 patients (93%) with thymic enlargement after chemotherapy were well and disease free on mean follow-up of 45 months, compared with 78% of the group that did not show thymic enlargement after chemotherapy (P <.02). Rebound thymic hyperplasia in adults after chemotherapy for metastatic testicular teratoma may be a good prognostic feature and should be considered when an anterior mediastinal mass develops after chemotherapy for metastatic malignancy.

Original languageEnglish (US)
Pages (from-to)67-70
Number of pages4
JournalRadiology
Volume163
Issue number1
StatePublished - 1987
Externally publishedYes

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ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

Kissin, C. M., Husband, J. E., Nicholas, D., & Eversman, W. (1987). Benign thymic enlargement in adults after chemotherapy: CT demonstration. Radiology, 163(1), 67-70.