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Case No. 477
2018-04-01~2018-04-30
출제자 : 정미선
Hit : 277
| Period | 2018-04-01~2018-04-30 |
|---|---|
| Diagnosis | Recurrent Pleomorphic Adenoma |
| Clinical information | 31/M C.C. Papable mass in left parotid area History of operation for the parotid gland mass. |
| Discussion | Recurrent Pleomorphic Adenoma - Risk factors for pleomorphic adenoma recurrence : enucleation in previous operation, rupture of the tumor during operation, younger age at initial presentation, female patients, and tumors that have already recurred - Recurrences are often extensive and multifocal, making the risk of facial nerve damage and re-recurrence high - Malignant transformation to carcinoma : 1.4% and 6.3% of patients. - Image findings : solitary and especially multiple subcutaneous nodules, or T2 hyperintense lesions spanning multiple spaces adjacent to the parotid/operative bed in patients with prior parotidectomy for pleomorphic adenoma : extremely bright masses on T2WI without enhancement or heterogeneous enhancement : cystic appearance with peripheral enhancement |
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