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Imaging findings of giant cell tumor of tendon sheath / 中华放射学杂志
Chinese Journal of Radiology ; (12): 454-457, 2015.
Article in Chinese | WPRIM | ID: wpr-467494
ABSTRACT
Objective To explore the imaging features of giant cell tumor of tendon sheath(GCTTS) so as to improve the accuracy of imaging diagnosis. Methods Thirty?nine cases of GCTTS confirmed by pathological examination were retrospectively analyzed.Of the 39 cases, 32 were diffuse form and 7 were localized form.Seventeen patients underwent X?ray examination,18 had CT pain examination,37 had pain MR imaging and 17 had contrast?enhanced MR imaging.Results X?ray showed local soft tissue masswith slightly high density, and the adjacent bones were shown destruction or erosion tovarious degrees(10/17). No obvious calcification and periosteal reaction were shown.CT scans could provide images better than X?ray films.CT showed local soft tissue masses in the peri?articular muscle gaps. Some tumors were lobulated with cross?jointed growth(8/18),and the adjacent bones were shown destruction or erosion tovarious degrees(11/18).No obvious calcification and periosteal reaction were shown. On MRI,most cases were isointense on T1WI(32/37),and hyperintense on T2WI(27/37). Most cases tended to be heterogeneously enhanced following Gd?DTPA administration(14/17).The lesions were typically located adjacent to a tendon or partially/completely encasing it. Conclusions The imaging findings of GCTTS have some certain characteristics. MRI is able to depict the characteristic internal signal of GCTT and its relationship with adjacent tissues, which is valuable for diagnosis, treatment and follow?up.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Radiology Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Diagnostic study Language: Chinese Journal: Chinese Journal of Radiology Year: 2015 Type: Article