Teratoma containing immature and variable amounts of mature tissues
Classified as ovarian malignant germ cell tumor (OMGCT)
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Saleh M et al: Ovarian teratomas: clinical features, imaging findings and management. Abdom Radiol (NY). 46(6):2293-307, 2021
Van Nguyen JM et al: How common is the growing teratoma syndrome in patients with ovarian immature teratoma? Int J Gynecol Cancer. 26(7):1201-6, 2016
Shaaban AM et al: Ovarian malignant germ cell tumors: cellular classification and clinical and imaging features. Radiographics. 34(3):777-801, 2014
Peterson CM et al: Teratomas: a multimodality review. Curr Probl Diagn Radiol. 41(6):210-9, 2012
Chabaud-Williamson M et al: Ovarian-sparing surgery for ovarian teratoma in children. Pediatr Blood Cancer. 57(3):429-34, 2011
Douay-Hauser N et al: Diagnosis and management of an immature teratoma during ovarian stimulation: a case report. J Med Case Rep. 5:540, 2011
Papadias K et al: Teratomas of the ovary: a clinico-pathological evaluation of 87 patients from one institution during a 10-year period. Eur J Gynaecol Oncol. 26(4):446-8, 2005
Terzic M et al: Immature ovarian teratoma in a young girl: very short course and lethal outcome. A case report. Int J Gynecol Cancer. 15(2):382-4, 2005
Yamaoka T et al: Immature teratoma of the ovary: correlation of MR imaging and pathologic findings. Eur Radiol. 13(2):313-9, 2003
Jung SE et al: CT and MR imaging of ovarian tumors with emphasis on differential diagnosis. Radiographics. 22(6):1305-25, 2002
Outwater EK et al: Ovarian teratomas: tumor types and imaging characteristics. Radiographics. 21(2):475-90, 2001
O'Connor DM et al: The influence of grade on the outcome of stage I ovarian immature (malignant) teratomas and the reproducibility of grading. Int J Gynecol Pathol. 13(4):283-9, 1994
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Pathology
Clinical Issues
TERMINOLOGY
Abbreviations
Immature teratoma (IMT)
Definitions
Teratoma containing immature and variable amounts of mature tissues
Classified as ovarian malignant germ cell tumor (OMGCT)
IMAGING
General Features
Radiographic Findings
CT Findings
MR Findings
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Staging, Grading, & Classification
Gross Pathologic & Surgical Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Saleh M et al: Ovarian teratomas: clinical features, imaging findings and management. Abdom Radiol (NY). 46(6):2293-307, 2021
Van Nguyen JM et al: How common is the growing teratoma syndrome in patients with ovarian immature teratoma? Int J Gynecol Cancer. 26(7):1201-6, 2016
Shaaban AM et al: Ovarian malignant germ cell tumors: cellular classification and clinical and imaging features. Radiographics. 34(3):777-801, 2014
Peterson CM et al: Teratomas: a multimodality review. Curr Probl Diagn Radiol. 41(6):210-9, 2012
Chabaud-Williamson M et al: Ovarian-sparing surgery for ovarian teratoma in children. Pediatr Blood Cancer. 57(3):429-34, 2011
Douay-Hauser N et al: Diagnosis and management of an immature teratoma during ovarian stimulation: a case report. J Med Case Rep. 5:540, 2011
Papadias K et al: Teratomas of the ovary: a clinico-pathological evaluation of 87 patients from one institution during a 10-year period. Eur J Gynaecol Oncol. 26(4):446-8, 2005
Terzic M et al: Immature ovarian teratoma in a young girl: very short course and lethal outcome. A case report. Int J Gynecol Cancer. 15(2):382-4, 2005
Yamaoka T et al: Immature teratoma of the ovary: correlation of MR imaging and pathologic findings. Eur Radiol. 13(2):313-9, 2003
Jung SE et al: CT and MR imaging of ovarian tumors with emphasis on differential diagnosis. Radiographics. 22(6):1305-25, 2002
Outwater EK et al: Ovarian teratomas: tumor types and imaging characteristics. Radiographics. 21(2):475-90, 2001
O'Connor DM et al: The influence of grade on the outcome of stage I ovarian immature (malignant) teratomas and the reproducibility of grading. Int J Gynecol Pathol. 13(4):283-9, 1994
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