Prenatal diagnosis and appearance of nasal chondromesenchymal hamartoma in a fetus: A case report

We report a case of fetal nasal chondromesenchymal hamartoma (NCMH) first noted on prenatal ultrasound at 34 weeks. A solid-cystic mass which predominantly hyperechoicgenic and relatively clear margin, was located on the left nasal cavity and pharynx, with anterior extension and moderate blood flow....

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Bibliographic Details
Published in:The journal of obstetrics and gynaecology research 2024, Vol.50 (4), p.751-757
Main Authors: Su, Yu-Qing, Huang, Shu-Jing, Lin, Yan-Ting, Huang, Mei, Zhang, Xiao-Dong, Zhuang, Bi-Mei, Jiang, Jin-Na, Bai, Dong-Yu, Lin, Jin-Rong, Su, Yi-Ming
Format: Report
Language:English
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Summary:We report a case of fetal nasal chondromesenchymal hamartoma (NCMH) first noted on prenatal ultrasound at 34 weeks. A solid-cystic mass which predominantly hyperechoicgenic and relatively clear margin, was located on the left nasal cavity and pharynx, with anterior extension and moderate blood flow. Further follow-up ultrasound examination depicted an enlargement of the tumor. Fetal magnetic resonance imaging (MRI) showed an inhomogeneous signal lesion involving the ethmoid sinuses, nasal cavity, and pharynx. The infant, delivered via cesarean section at 37 + 5 weeks, required urgent neonatology intervention due to respiratory difficulties. Neonatal MRI and computer tomography were subsequently performed at 1 day after birth. Surgical excision occurred at 7 days, confirming NCMH via histological examination. Awareness of this entity, is essential to avoid potentially harmful therapies, especially in prenatal period. Considered NCMH in diagnosis when fetal nasal masses presenting with predominantly high-level echo, well-defined margins and moderate vascularity.
ISSN:1447-0756
DOI:10.1111/jog.15892