Prenatal ultrasound diagnosis of fetal maxillofacial teratoma: Two case reports.

World J Clin Oncol

School of 1 Clinic Medicine, Anhui Medical University, Hefei 230022, Anhui Province, China.

Published: September 2024

AI Article Synopsis

  • Facial teratomas are rare benign tumors found in fetuses, diagnosed through prenatal ultrasounds, accounting for about 1.6% of all teratomas.
  • Two case studies highlighted abnormal facial findings in fetuses during the second trimester, with one case presenting a mass mostly outside the oral cavity and the other a cystic-solid echo mass filling the oral cavity.
  • Early detection via ultrasound helps parents make informed decisions regarding treatment options for fetal maxillofacial teratomas.

Article Abstract

Background: Facial teratoma is a rare benign tumor that accounts for about 1.6% of all teratomas and can be diagnosed by prenatal ultrasound (US). The purpose of this report was to describe our experience with the diagnosis of fetal facial teratoma by prenatal US at second trimester to provide a reference for clinical diagnosis of fetal maxillofacial teratoma.

Case Summary: We present two cases of patients with abnormal fetal facial findings on US at second trimester of pregnancy in our department. Case 1 was a 31-year-old G3 P1 + 1 female, with US revealing a heterogeneous echogenicity of 32 mm × 20 mm × 31 mm on the fetal face, most of it located outside the oral cavity and filling the root of the oral cavity. Case 2 was a 29-year-old G1P0 female, with fetal head and neck US revealing a cystic-solid echo mass measuring 42 mm × 33 mm × 44 mm, the upper edge of the lesion reaching the palate and filling the oral cavity. The contours of the lesions were visualized using three-dimensional (3D) US imaging. Both patients decided to give up treatment. Biopsies of the lesions were performed after induction of labor, and diagnosed as maxillofacial teratoma.

Conclusion: Fetal maxillofacial teratomas can be diagnosed by US in early pregnancy, allowing parents to expedite treatment decisions.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11438850PMC
http://dx.doi.org/10.5306/wjco.v15.i9.1245DOI Listing

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