Abstract
Objective: Rhabdomyosarcoma(RMS) lack characteristic imaging features. The purpose of this paper was to evaluate imaging diagnosis and relationship with pathology. Methods: Ultrasound, CT, MRI and pathologic data of 34 patients were analyzed retrospectively. Results: The original site of the tumor of these 34 patients(male 26, female 8) were: genitourinary tract 12, peritoneum and retroperitoneum 8, head and neck 6, extremities 6 and trunk 2. On B-mode ultrasound, RMS tend to be a solid homogeneous or heterogeneous mass. On CT, RMS appear as an isodense, hypodense or slightly hyperdense mass with or without focal infiltrations. On MRI, typical RMS are isointense or nearly isointense to muscle on T1WI, are hyperintense on T2WI. RMS demonstrate enhancement after injection of contrast medium. The pathologic type of these 34 patients were: embryonal type(n=30), alveolar type(n=2), pleomorphic type(n=2). Conclusions: The diagnostic imaging of RMS are consistent with its pathologic features. The accurate diagnosis highly correlates with the age of the patients and the location of the tumor.
Key words
rhabdomyosarcoma /
tomography /
X-ray computed /
magnetic resonance imaging
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JIN Biao;ZHU Ming-jie;XUE Jian-ping;ZHU Li-hua;LI Yu-hua;ZHU Ming.
Analysis of diagnostic imaging and pathology of rhabdomyosarcoma[J]. Journal of China Clinic Medical Imaging. 2006, 17(10): 592-594
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