Prenatal Diagnosis of Fetal Oral Masses by Ultrasound Combined With Magnetic Resonance Imaging

Yan, Can; Shentu, Weihui; Gu, Congmin; Cao, Yi; Chen, Yun-Yu; Li, Xiaofei; Wang, Hongying

doi:10.1002/jum.15733

Cited by 9 publications

(10 citation statements)

References 26 publications

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“…[ 11 ] Another study reported prenatal diagnosis of oral masses in six cases; five were diagnosed at a gestational age of >33 weeks and only one diagnosed at 24 weeks. [ 12 ] The present case had a normal anatomic sonogram and was not diagnosed until at 28 weeks when the rapidly growing tumor resulted in the patient’s clinical symptoms. In this case, the mass inhibited fetal swallowing, which manifested at sonogram as an absent stomach and polyhydramnios, placing the pregnancy at risk for PROM.…”

Section: Discussionmentioning

confidence: 86%

Prenatal Diagnosis of Oral Teratoma by Ultrasound

Liu

2022

Journal of Medical Ultrasound

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A pregnant woman had a normal second-trimester anatomic survey at 22 weeks gestation. She was revealed to have a fetal oral mass with polyhydramnios and invisible stomach bubble by ultrasound at 28 weeks. A 50 mm × 36 mm × 42 mm, solid mass was found in the fetal mouth, filling the entire oral cavity. Fetal magnetic resonance imaging showed a homogeneous solid mass in the oral cavity compressing the hypopharynx. At 33 weeks, preterm labor occurred because of the continuation of increased amniotic fluid volume, and a female infant was vaginally delivered. The infant died shortly after tracheal intubation attempt failed. Autopsy confirmed the prenatal sonographic finding. The final pathologic diagnosis was oral immature teratoma. Our study indicates that although oral teratomas are rare, they are readily apparent at prenatal sonographic examinations. Respiratory compromise is the frequent complication of oral teratomas, which is associated with high perinatal mortality.

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Section: Discussionmentioning

confidence: 86%

Prenatal Diagnosis of Oral Teratoma by Ultrasound

Liu

2022

Journal of Medical Ultrasound

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“…61 Another important point is the frequency of ultrasounds that are performed during prenatal care, interfering with the early diagnosis of facial anomalies. 62 In this systematic review, only 5 (8.0%) cases of sialoblastoma were diagnosed in the intrauterine period. 19,20,25,45,52 A total of T A B L E 3 Hazard ratio associated with disease-free survival in sialoblastomas.…”

Section: Discussionmentioning

confidence: 89%

“…However, as this test is operator‐dependent, the diagnosis is related to the professional's experience 61 . Another important point is the frequency of ultrasounds that are performed during prenatal care, interfering with the early diagnosis of facial anomalies 62 . In this systematic review, only 5 (8.0%) cases of sialoblastoma were diagnosed in the intrauterine period 19,20,25,45,52 .…”

Section: Discussionmentioning

confidence: 92%

Clinicopathological study and survival outcomes of sialoblastoma: A systematic review

et al. 2023

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Sialoblastoma is a rare malignant salivary gland tumor. The aim of this study was to review the available published data on sialoblastoma in a comprehensive analysis of its clinicopathologic characteristics, treatment, and outcomes. An unrestricted electronic search was performed in the following databases: MEDLINE/PubMed, EMBASE, Scopus, Web of science, and gray literature databases. Eligibility criteria included publications with sufficient clinical, imaging, and histopathological information to confirm the diagnosis of sialoblastoma. Data were evaluated descriptively and analytically. A total of 52 studies met the eligibility criteria. In total, 62 patients were evaluated. There was no gender predilection, with the parotid being the most affected primary site (n = 28; 45.2%). In the log‐rank test, there was a significant increase in disease‐associated survival in patients younger than 1 year of age (82.8% vs. 44.4%; p = 0.003), individuals with lesions in major salivary glands (79.4% vs. 38.5%; p = 0.005), patients without metastases (77.8% vs. 14.3%; p = 0.011), encapsulated lesions (85.7% vs. 0%; p < 0.0001), congenital lesions (83.3% vs. 25.0%; p < 0.0001), and lesions that do not show perineural invasion (89.5% vs. 40%; p = 0.035). Kaplan–Meier curves estimated overall survival and disease‐free survival at 5 years of 95.5% and 68.1%, respectively. In the multivariate Cox regression model, only the presence of metastasis was identified as an independent prognostic factor (hazard ratio [HR] = 9.81; p = 0.010). Although sialoblastoma presents good prognosis, the tumor has a high recurrence rate.

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“…MRI is widely used in these fetuses, although there are few studies in the literature that it is effective [ 14 , 21 – 23 ]. Majorly, the US operator-dependent technique is affected by the thickness of the abdominal fat tissue, fetal position, and amniotic fluid volume.…”

Section: Discussionmentioning

confidence: 99%

A single-center experience of magnetic resonance imaging findings of fetal sacrococcygeal teratomas

TOSUN¹,

ÇAM²,

USLU³

et al. 2022

Turkish Journal of Medical Sciences

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Background/aim Sacrococcygeal teratomas (SCT) are known as rare tumors, but they are the most common tumor in fetuses and newborns. This study aims to present fetal magnetic resonance imaging (MRI) findings of SCT diagnosed prenatally and compare them with that of the prenatal Ultrasound (US) findings. Materials and methods Eleven patients diagnosed as SCT prenatally by US and further assessed by MRI are included. MRI was performed via a 1.5-T magnet with a body coil. The presence, size, content extension, and compressive effects of each mass were determined and correlated with US findings and with postnatal examinations, including surgery and pathology. As complications, the presence of ascites and skin edema or pleural or pericardial effusion was diagnosed as hydrops. The amniotic fluid index was calculated for the assessment of oligo- or polyhydramnios. Results US findings are found strongly correlated with MRI findings. An agreement on the extent of each mass was observed in eight patients, disagreement in one fetus was an extension of the tumor within the spinal canal recognized only at MR and assessment of intrapelvic-abdominal extension was superior in MRI. There were n = 6 type I, n = 2 type II, n = 1 type III and, n = 2 type IV tumors. MRI was superior to US for detecting displacement of the colon (n = 3), intrapelvic-intraabdominal extension (n = 1), urinary tract complication (n = 2), and intraspinal extension (n = 1). Conclusion MRI is found to be superior to US especially in the assessment of intrapelvic and intraspinal extension of the tumor, colonic displacement, and complications.

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Prenatal Diagnosis of Fetal Oral Masses by Ultrasound Combined With Magnetic Resonance Imaging

Cited by 9 publications

References 26 publications

Prenatal Diagnosis of Oral Teratoma by Ultrasound

Prenatal Diagnosis of Oral Teratoma by Ultrasound

Clinicopathological study and survival outcomes of sialoblastoma: A systematic review

A single-center experience of magnetic resonance imaging findings of fetal sacrococcygeal teratomas

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