Korean J Obstet Gynecol.  2010 Jul;53(7):652-656. 10.5468/kjog.2010.53.7.652.

Mature cystic teratoma in a 5-year-old girl presenting as urinary frequency: A case report

Affiliations
  • 1Department of Obstetrics and Gynecology, Seoul Medical Center, Seoul, Korea. harmony4@catholic.ac.kr

Abstract

Ovarian tumors are rare in children. Their incidence is estimated to be about 2.6 cases per 100,000 girls per year. About 1/3 of all childhood ovarian tumors are reported to be malignant. Germ cell tumors are more frequent than epithelial and sex cord stromal tumors in children and teratoma is the most common germ cell tumor occurring in children. In most cases, the presenting symptoms in childhood included abdominal pain, an abdominal mass, abdominal distention and so on. These non-specific symptoms and low incidence lead to suspicions of more common diseases, so the diagnosis of ovarian masses in childhood is difficult. We experienced a rare case of mature cystic teratoma in a 5-year-old girl with urinary frequency without abdominal discomfort despite the large size. The pre-operative magnetic resonance imaging finding showed unusual characteristics, rising suspicion of malignancy. So, we present this case with a brief review of literature.

Keyword

Teratoma; Mature; Children; Frequency

MeSH Terms

Abdominal Pain
Child
Humans
Incidence
Magnetic Resonance Imaging
Neoplasms, Germ Cell and Embryonal
Preschool Child
Sex Cord-Gonadal Stromal Tumors
Teratoma

Figure

  • Fig. 1 Transabdominal ultrasonogram shows huge multiple septated hypoechogenic cystic mass with some mixed echogenic area and posterior acoustic shadowing.

  • Fig. 2 T1 weighted axial magnetic resonance image shows the minute size of high signal intensity lesion at peripheral area (arrow head), which misleaded this fat component of the ovarian cyst for other tissue. Also, the septated thick wall (arrow) can be noted.

  • Fig. 3 Gross photography of right lobulating mass after aspiration, adhered to omentum (arrow head) and covered with hair and fat tissue (arrow).

  • Fig. 4 Microscopic findings of mature cystic teratoma showing. (A) Mature stratified squamous epithelium with melanin pigment (arrow) and underline brain tissue (arrow head) with glial cell and neuron (H&E stain, ×100), (B) Fat cell (arrow) and cartilage (arrow head) (H&E stain, ×100).


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