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[Radiotherapy for an adenolymphoma of the parotid gland (Warthin tumor)].

AbstractBACKGROUND:
With 17.6% of all primary parotid neoformations the benign Warthin's tumor (cystadenolymphoma) is the second common parotid gland tumor. Males > 50 years are affected predominantly. After surgery the recurrence rate is less than 5%. Histomorphologically the tumor is characterized by cystoid ducts lined by epithelial cells as well as lymphoid stroma. The lymphoid component has been described as radioresponsive whereas the epithelial parts are less radiosensitive. Since 1960 only one patient treated by primary radiotherapy has been published.
CASE REPORT:
A 77-year-old woman suffered from cystadenolymphoma (maximal diameter 7 cm). Because of its extension and the reduced performance status of the patient surgery was no option. Radiotherapy was performed with a total dose of 50 Gy. Clinically, the tumor regressed completely after 30 Gy, which was confirmed by CT at 6 weeks after completion of radiotherapy. After 6 and 12 months the patient stayed free of tumor. EPICRISIS: In our case the cystadenolymphoma was unusually large (7 cm). Radiotherapy with 50 Gy induced complete tumor regression. The good clinical response after 30 Gy suggests that the necessary dose may be lower for less extended cystadenolymphomas.
CONCLUSION:
We present a case of cystadenolymphoma treated by radiotherapy with 50 Gy resulting in a complete remission. Due to missing published experiences no common recommendation for the total dose can be given. In the following situations radiotherapy should be considered: 1. high surgical risk of damage to the facial nerve, 2. unfavorable cosmetic outcome after surgery, 3. inoperability for internal risks, 4. refusal of operation.
AuthorsC Stallmann, P Vacha, H Vesely, E Richter, T Feyerabend
JournalStrahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft ... [et al] (Strahlenther Onkol) Vol. 177 Issue 5 Pg. 247-51 (May 2001) ISSN: 0179-7158 [Print] Germany
Vernacular TitleRadiotherapie bei einem Zystadenolymphom der Parotis (Warthin-Tumor).
PMID11398610 (Publication Type: Case Reports, Journal Article)
Topics
  • Adenolymphoma (diagnostic imaging, radiotherapy)
  • Aged
  • Disease-Free Survival
  • Female
  • Humans
  • Male
  • Parotid Neoplasms (diagnostic imaging, radiotherapy)
  • Radiotherapy Dosage
  • Tomography, X-Ray Computed

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