The imaging diagnosis of immature teratoma
10.3969/j.issn.1002-1671.2014.05.004
- VernacularTitle:未成熟畸胎瘤的影像学表现
- Author:
Ling CHEN
;
Wen LIANG
;
Xianyue QUAN
;
Xiahui TIAN
;
Ting LIN
;
Feifei CHEN
- Publication Type:Journal Article
- Keywords:
immature teratoma;
magnetic resonance imaging;
computed tomography
- From:
Journal of Practical Radiology
2014;(5):733-735
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the imaging manifestation of immature teratoma.Methods Imaging features of 9 cases of immature teratoma.confirmed pathologically were retrospective analysed.Results All 9 cases were male,age ranging from 1 to 38 years,mean age 1 9.5 years,AFP increased varying degrees in six cases .(1)3 cases (mean age 25.5 years)located in the anterior mediastinum which CT characteristics included the following features:lesions were projecting to one side,with irregular shape,obvi-ous necrosis,mild enhancement,wrap or oppression the blood vessels,one case with superior vena cava and head arm vein tumor em-boli and mediastinal lymph node metastasis.(2)6 cases (mean age 9.5 years)located in the pineal region and tricorn region,which MR finding were as following :cystic or solid placeholders,tow cases with small calcification or fat,solid part and the capsule wall enhancement significantly,4 cases with nodular enhancement.Conclusion Immature teratoma tends to occur in the middle struc-ture,and appears in children and young adults frequently,necrosis and cystic changes are seen commonly.CT and MR are of high val-ue in diagnosing immature teratoma.
