Answer to Case of the Month #152: Retroperitoneal Teratoma

References 

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2. Bruneton JN, Diard F, Drouillard JP, et al. Primary retroperitoneal teratoma in adults: presentation of two cases and review of the literature. Radiology. 1980;134:613–616
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3. Friedman AC, Pyatt RS, Hartman DS, et al. CT of benign cystic teratomas. AJR Am J Roentgenol. 1982;138:659–665
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6. Davidson AJ, Hartman DS, Goldman SM. Mature teratoma of the retroperitoneum: radiologic, pathologic, and clinical correlation. Radiology. 1989;172:421–425
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7. Wang LJ, Chu SH, Ng KF, et al. Adenocarcinomas arising from primary retroperitoneal mature teratomas: CT and MR imaging. Eur Radiol. 2002;12:1546–1549
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8. Stephens DH, Sheedy PF, Hattery RR, et al. Diagnosis and evaluation of retroperitoneal tumors by computed tomography. AJR Am J Roentgenol. 1977;129:395–402
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9. Lane RH, Stephens DH, Reiman HM. Primary retroperitoneal neoplasms: CT findings in 90 cases with clinical and pathologic correlation. AJR Am J Roentgenol. 1989;152:83–89
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10. Bellin MF, Duron JJ, Curet P, et al. Primary retroperitoneal teratoma in the adult: correlation of MRI features with CT and pathology. Magn Reson Imaging. 1991;9:263–266
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11. Weinstein BJ, Lenkey JL, Williams S. Ultrasound and CT demonstration of a benign cystic teratoma arising from the retroperitoneum. AJR Am J Roentgenol. 1979;133:936–938
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