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Konno H, Okpaise OO, Sbragia L, Tonni G, Ruano R. Perinatal Outcomes of Intrauterine Interventions for Fetal Sacrococcygeal Teratoma Based on Different Surgical Techniques-A Systematic Review. J Clin Med 2024; 13:2649. [PMID: 38731178 PMCID: PMC11084939 DOI: 10.3390/jcm13092649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 04/16/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Background: This study aims to evaluate the outcomes of fetal sacrococcygeal teratoma (SCT) submitted to prenatal interventions. Methods: We performed a systematic literature review of fetal SCT patients and compared the outcomes between open fetal surgery and percutaneous intervention. In addition, we also compared the results of SCT fetuses who did not undergo any surgical intervention (NI). Results: We identified 16 cases of open fetal surgery (OS), 48 cases of percutaneous fetal intervention (PI), and 93 NI patients. The survival rate was 56.2% in OS, 45.8% in PI (p = 0.568), and 71.0% in NI patients. The gestational age at delivery was earlier in cases where there was no survival compared to cases where the fetuses did survive across all evaluated cohorts (OS: p = 0.033, PI: p < 0.001, NI: p < 0.001). The gestational weeks at delivery in OS and PI fetuses were more similar; however, OS tended to be performed later on in pregnancy, and the affected fetuses had more severe presented findings. In our evaluation, we determined that the presence of fetal hydrops and cardiac failure had no significant impact on survival in SCT cases. In NI patients, polyhydramnios was much higher in fetuses who did not survive compared to their surviving cohorts (p < 0.001). Conclusions: In conclusion, gestational age at delivery can affect the short-term prognosis of fetuses affected with sacrococcygeal teratomas. Regardless of the mode of delivery or the necessity for intervention during the fetal period, monitoring for complications, including polyhydramnios, can prevent premature delivery.
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Affiliation(s)
- Hiroko Konno
- Division of Perinatology, Fetal Diagnosis and Therapy, Maternal and Perinatal Care Center, Seirei Hamamatsu General Hospital, Hamamatsu 430-0906, Japan;
| | | | - Lourenço Sbragia
- Division of Pediatric Surgery, Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirão Preto 14049-900, SP, Brazil;
| | - Gabriele Tonni
- Prenatal Diagnostic Centre, Department of Obstetrics and Neonatology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), AUSL Reggio Emilia, 42122 Reggio Emilia, Italy;
| | - Rodrigo Ruano
- Division of Maternal-Fetal Medicine, Department of Obstetrics, Gynecology & Reproductive Sciences, University of Miami, Miami, FL 33136, USA
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2
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Salzillo C, Quaranta A, De Biasi G, Cazzato G, Serio G, Vimercati A, Nicolì P, Resta L, Marzullo A. Mature Triphyllic Cystic Teratoma of the Posterior Mediastinum in a Fetus: A Case Report and Literature Review. Diseases 2023; 11:144. [PMID: 37873788 PMCID: PMC10594467 DOI: 10.3390/diseases11040144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 10/25/2023] Open
Abstract
A teratoma is a neoplasm composed of cell populations or tissues that are reminiscent, in their appearance, of normal elements derived from at least two embryonic layers. Fetal mature teratomas are normally benign, cystic, and typically occur along the midline, while they are rare in the posterior mediastinum. Teratomas are frequently solitary; however, they may sometimes be associated with other congenital anomalies and/or with chromosomal abnormalities. Clinically, they are often asymptomatic but can occasionally cause compression symptoms. Prenatal diagnoses are uncommon and made with ultrasonography; differential diagnosis with other congenital conditions is mandatory. We report the case of a 21 weeks of gestational age old fetus with a mature triphyllic fetal cystic teratoma, grade 0, located in the right posterior mediastinum. The tumor presented as a 3 cm wide cystic mass that caused a contralateral shift of the surrounding structures. Histological examination later revealed the presence of derivatives of the three germ layers, such as hyaline cartilage, smooth muscle, nervous tissue, and a respiratory-type epithelium.
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Affiliation(s)
- Cecilia Salzillo
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Section of Pathology, University of Bari, Piazza Giulio Cesare 11, 70121 Bari, Italy; (G.D.B.); (G.C.); (G.S.); (L.R.); (A.M.)
| | - Andrea Quaranta
- School of Medicine, University of Bari, Piazza Giulio Cesare 11, 70121 Bari, Italy;
| | - Giovanni De Biasi
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Section of Pathology, University of Bari, Piazza Giulio Cesare 11, 70121 Bari, Italy; (G.D.B.); (G.C.); (G.S.); (L.R.); (A.M.)
| | - Gerardo Cazzato
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Section of Pathology, University of Bari, Piazza Giulio Cesare 11, 70121 Bari, Italy; (G.D.B.); (G.C.); (G.S.); (L.R.); (A.M.)
| | - Gabriella Serio
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Section of Pathology, University of Bari, Piazza Giulio Cesare 11, 70121 Bari, Italy; (G.D.B.); (G.C.); (G.S.); (L.R.); (A.M.)
| | - Antonella Vimercati
- Department of Interdisciplinary Medicine (DIM), Unit of Obstetrics and Gynecology, University of Bari, Piazza Giulio Cesare n.11, 70121 Bari, Italy; (A.V.); (P.N.)
| | - Pierpaolo Nicolì
- Department of Interdisciplinary Medicine (DIM), Unit of Obstetrics and Gynecology, University of Bari, Piazza Giulio Cesare n.11, 70121 Bari, Italy; (A.V.); (P.N.)
| | - Leonardo Resta
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Section of Pathology, University of Bari, Piazza Giulio Cesare 11, 70121 Bari, Italy; (G.D.B.); (G.C.); (G.S.); (L.R.); (A.M.)
| | - Andrea Marzullo
- Department of Precision and Regenerative Medicine and Ionian Area (DiMePRe-J), Section of Pathology, University of Bari, Piazza Giulio Cesare 11, 70121 Bari, Italy; (G.D.B.); (G.C.); (G.S.); (L.R.); (A.M.)
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Li X, Lin HH, Hu KF, Peng Y. Prenatal MRI diagnosis and outcomes of abdominal or sacrococcygeal teratomas and parasitic fetuses. Front Pediatr 2023; 11:1181110. [PMID: 37744434 PMCID: PMC10516294 DOI: 10.3389/fped.2023.1181110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Accepted: 08/22/2023] [Indexed: 09/26/2023] Open
Abstract
Objective To investigate the MRI findings of fetal abdominal or sacrococcygeal teratomas and parasitic fetuses and analyze the outcomes on the basis of follow-up assessments. Methods The MRI data of 60 cases of abdominal or sacrococcygeal masses were examined. The outcomes were followed up and compared with the prenatal MRI diagnoses. Results The 60 cases included 52 cases of sacrococcygeal teratomas and eight cases of abdominal lesions. The common types of sacrococcygeal teratomas were type I (21/52, 40.4%) and type II (20/52, 38.5%); type III sacrococcygeal teratomas were rarer (8/52, 15.4%), while type IV tumors (3/52, 5.7%) were frequently complicated with hydronephrosis. Other complications included polyhydramnios in 22 cases, placental edema in six cases, and fetal hydronephrosis in three cases (all type IV). Seven of the eight parasitic fetuses were located in the abdominal cavity, and one was located in the sacrococcygeal region. Postnatal surgery was performed in 51 cases (51/60), including 44 with teratomas and seven with parasitic fetuses. In one case with hydronephrosis, peritoneal effusion, and subcutaneous edema, treatment was discontinued after birth (1/60). Fetal induction of labor was observed in eight cases (8/60). Prenatal ultrasound yielded incorrect or ambiguous diagnoses in 11 cases, while 51 cases showed a favorable course after surgery. Conclusions MRI shows high accuracy in the diagnosis of fetal sacrococcygeal teratomas and parasitic fetuses. The prognosis in these cases is generally good. However, type IV sacrococcygeal teratomas are prone to fetal hydronephrosis and misdiagnosis and show a poorer prognosis.
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Affiliation(s)
- Xu Li
- Department of Radiology, Anhui Provincial Children’s Hospital, Hefei, China
| | - Hui hui Lin
- Department of Radiology, Anhui Provincial Children’s Hospital, Hefei, China
| | - Ke fei Hu
- Department of Radiology, Anhui Provincial Children’s Hospital, Hefei, China
| | - Yun Peng
- Department of Radiology, Beijing Children's Hospital, Capital Medical University, Beijing, China
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4
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MUKENDI-NKESU Y, MACHET MC, ÉDÉE É, BINET A, MARUANI A. Sacrococcygeal Mass in a Newborn: A Quiz. Acta Derm Venereol 2022; 102:adv00782. [PMID: 35971828 PMCID: PMC9811279 DOI: 10.2340/actadv.v102.3934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract is missing (Quiz)
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Affiliation(s)
- Yannick MUKENDI-NKESU
- Department of Dermatology, Unit of Pediatric Dermatology, CHRU Tours, FR-37044 Tours Cedex 9,Reference Center for rare Vascular Skin Diseases (MAGEC-Tours), CHRU Tours, FR-37044 Tours Cedex 9
| | | | - Émiliène ÉDÉE
- Reference Center for rare Vascular Skin Diseases (MAGEC-Tours), CHRU Tours, FR-37044 Tours Cedex 9
| | - Aurélien BINET
- Reference Center for rare Vascular Skin Diseases (MAGEC-Tours), CHRU Tours, FR-37044 Tours Cedex 9,Department of Visceral and Plastic Pediatric Surgery, CHRU Tours, FR-37044 Tours Cedex 9
| | - Annabel MARUANI
- Department of Dermatology, Unit of Pediatric Dermatology, CHRU Tours, FR-37044 Tours Cedex 9,Reference Center for rare Vascular Skin Diseases (MAGEC-Tours), CHRU Tours, FR-37044 Tours Cedex 9
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5
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Li D, Gao H, Zheng W, Jin C, Huang Y, Pan S. Case report: Fetal cervical immature teratoma and copy number variations. Front Oncol 2022; 12:843268. [PMID: 36046039 PMCID: PMC9423720 DOI: 10.3389/fonc.2022.843268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Accepted: 07/19/2022] [Indexed: 11/30/2022] Open
Abstract
Fetal cervical teratoma is a rare congenital neck tumor. Here, we report a case of a fetus with an anterior solid neck tumor that was confirmed to have an immature teratoma by histology. A duplication was found at chromosome 14q24.1-q24.3 of the fetus in chromosome microarray (CMA) and whole exome sequencing (WES), which was a copy number variation (CNV) and a probably new-onset. Ultrasound coupled with magnetic resonance imaging (MRI) can be considered to be a relatively reliable diagnostic tool, whereas ex-utero intrapartum therapy or resection of the tumor mass on placental support may improve the chances of the newborn’s survival. Strangely, the same duplication occurred on her next fetus that was found with complex congenital heart malformations. CNV at chromosome 14q24.1-q24.3 needs to be paid more attention.
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Affiliation(s)
- Dianjie Li
- Department of Gynaecology and Obstetrics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Hong Gao
- Department of Urology, Shenzhen Hospital, University of Chinese Academy of Sciences, Shenzhen, China
| | - Wanting Zheng
- Department of Gynaecology and Obstetrics, Shantou Central Hospital, Shantou, China
| | - Chunzhu Jin
- Department of Gynaecology and Obstetrics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
| | - Yuxin Huang
- Department of Gynaecology and Obstetrics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Yuxin Huang, ; Shilei Pan,
| | - Shilei Pan
- Department of Gynaecology and Obstetrics, Zhujiang Hospital, Southern Medical University, Guangzhou, China
- *Correspondence: Yuxin Huang, ; Shilei Pan,
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Muthee BW, Bray HJ. Approach to the postnatal sonographic evaluation of prenatally detected abdominopelvic cysts. Ultrasonography 2021; 41:53-73. [PMID: 34344138 PMCID: PMC8696132 DOI: 10.14366/usg.21070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 05/22/2021] [Indexed: 11/10/2022] Open
Abstract
Prenatally detected abdominal and pelvic masses are commonly cystic in morphology and usually seen on mid-trimester sonography. Sonography is the favored imaging modality for the postnatal evaluation of these lesions in newborns, given its availability, low cost, lack of ionizing radiation, lack of sedation, and high spatial resolution in small patients. The differential diagnosis of abdominopelvic cystic masses in newborns is broad given that they can arise from many organs and may have overlapping features on imaging. This article illustrates an approach to the postnatal sonographic evaluation of prenatally detected cystic abdominal and pelvic masses based on their anatomic location and distinctive sonographic characteristics, which can aid in an accurate diagnosis and guide appropriate management.
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Affiliation(s)
- Bernadette Wambui Muthee
- Department of Radiology, British Columbia Children's Hospital, University of British Columbia, Vancouver, BC, Canada
| | - Heather J Bray
- Department of Radiology, British Columbia Children's Hospital, University of British Columbia, Vancouver, BC, Canada
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7
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Simonini C, Strizek B, Berg C, Gembruch U, Mueller A, Heydweiller A, Geipel A. Fetal teratomas - A retrospective observational single-center study. Prenat Diagn 2020; 41:301-307. [PMID: 33242216 DOI: 10.1002/pd.5872] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/26/2020] [Accepted: 11/23/2020] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Evaluation of course and outcome of pregnancies with prenatally diagnosed fetal teratomas of various locations in a single center between 2002 and 2019. METHODS Retrospective observational single-center study including prenatally suspected or diagnosed fetal teratomas. Focus was put on ultrasound findings during pregnancy. Complications, need for intervention and outcomes were compared according to tumor location. RESULTS 79 cases of fetal teratomas were seen at our center between 2002 and 2019. Most frequent tumor locations were the sacrococcygeal region (59.5%), neck (20.2%) and oropharynx (7.6%). Complications mainly included polyhydramnios and cardiac compromise. Need for intervention during pregnancy was significantly higher in pericardial teratomas. Preterm birth before 37 and early preterm birth before 32 weeks occurred in 72.7% and 29.1%, respectively. Major causes of perinatal death were tumor bleeding in sacrococcygeal teratomas (SCTs) and respiratory failure in cervical and oropharyngeal teratomas. CONCLUSION There is a high need for intervention in pregnancies complicated by fetal teratomas. Pericardiocentesis in pericardial teratomas is often inevitable to reduce the risk of intrauterine demise. Amniotic fluid drainage in associated severe polyhydramnios helps to reduce the risk of preterm birth, a major cause of additional morbidity and mortality. MRI in supplement to prenatal ultrasound is useful in fetal teratomas of the neck and oropharynx in order to plan delivery.
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Affiliation(s)
- Corinna Simonini
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Brigitte Strizek
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Christoph Berg
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Ulrich Gembruch
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
| | - Andreas Mueller
- Department of Neonatology and Pediatric Intensive Care, University Hospital Bonn, Bonn, Germany
| | | | - Annegret Geipel
- Department of Obstetrics and Prenatal Medicine, University Hospital Bonn, Bonn, Germany
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8
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Özsürmeli M, Büyükkurt S, Sucu M, Arslan E, Mısırlıoğlu S, Akçabay Ç, Kayapınar M, Demir SC, Evrüke İC. Evaluation of prenatally diagnosed fetal sacrococcygeal teratomas: A case series of seventeen pregnancies from South-central Turkey. Turk J Obstet Gynecol 2020; 17:170-174. [PMID: 33072420 PMCID: PMC7538821 DOI: 10.4274/tjod.galenos.2020.68812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 05/19/2020] [Indexed: 12/01/2022] Open
Abstract
Objective To evaluate sacrococcygeal teratoma (SCT) cases according to associated cardiac, extracardiac, and chromosomal anomalies in the prenatal period, and to review their outcomes. Materials and Methods Data of pregnancies with a prenatal diagnosis of SCT between 2009 and 2019 were retrospectively reviewed. Results One ongoing pregnancy was excluded. There were five medically terminated cases, three due to severe heart failure and the remaining two due to additional congenital defects. Two infants who had heart failure due to hyperdynamic flow died in the neonatal period. Nine infants are well and alive at the time of writing. Conclusion When a lesion is detected in the sacrococcygeal region during fetal sonography, the differential diagnosis should be made with an appropriate evaluation with emphasis on a possible diagnosis of fetal SCT. Tumor growth and heart failure should be monitored with serial scans when SCT has been diagnosed prenatally.
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Affiliation(s)
- Mehmet Özsürmeli
- University of Health Sciences Turkey, Kocaeli Derince Training and Research Hospital, Clinic of Obstetrics and Gynecology, Kocaeli, Turkey
| | - Selim Büyükkurt
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
| | - Mete Sucu
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
| | - Erol Arslan
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
| | - Selahattin Mısırlıoğlu
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
| | - Çiğdem Akçabay
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
| | - Masum Kayapınar
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
| | - Süleyman Cansun Demir
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
| | - İsmail Cüneyt Evrüke
- Çukurova University Faculty of Medicine, Department of Obstetrics and Gynecology, Perinatology Unit, Adana, Turkey
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9
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Shrestha HK, Shrestha RG. Sacrococcygeal Teratoma: A Case Report. ACTA ACUST UNITED AC 2020; 58:508-511. [PMID: 32827016 PMCID: PMC7580391 DOI: 10.31729/jnma.5230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Sacrococcygeal teratoma is rare and happens in 1:35,000 to 40,000 live births. It is more common in girls than boys with the reported ratio of 3:1 to 4:1. We herein report an unusual case of a huge sacrococcygeal teratoma, which was more than half of the size and weight of the baby which was terminated at 24 weeks of gestation.
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Affiliation(s)
- Hari Kishor Shrestha
- Department of Radiology, Om Hospital and Research Centre, Chabahil, Kathmandu, Nepal
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10
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Darouich S, Bellamine H. Fetal mediastinal teratoma: Misinterpretation as congenital cystic lesions of the lung on prenatal ultrasound. JOURNAL OF CLINICAL ULTRASOUND : JCU 2020; 48:287-290. [PMID: 31859396 DOI: 10.1002/jcu.22808] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 12/06/2019] [Accepted: 12/09/2019] [Indexed: 06/10/2023]
Abstract
Congenital mediastinal teratoma can lead to development of hydrops fetalis and may be misinterpreted on ultrasound. In this case report, ultrasound revealed severe fetoplacental hydrops, moderate posthemorrhagic hydrocephalus, and multiple pulmonary cysts suggesting cystic adenomatoid malformation and displacement of the heart to the left side. Autopsy of the hydropic 24-weeks male fetus showed a large cystic-solid mediastinal mass that was consistent with nonmetastatic immature teratoma. It also demonstrated thymic, cardiac and pulmonary hypoplasia, and confirmed the germinal matrix-intraventricular hemorrhage. Accurate prenatal diagnosis of mediastinal teratoma may be achieved by a careful Doppler ultrasound assessment that also allows evaluating the fetal outcome.
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Affiliation(s)
- Sihem Darouich
- Fetopathology Unit, University Hospital Habib Bougatfa, Bizerte, Tunisia
- LR99ES10 Laboratory of Human genetics, Faculty of Medicine of Tunis, Tunis, Tunisia
- University of Tunis El Manar, Tunis, Tunisia
| | - Houda Bellamine
- University of Tunis El Manar, Tunis, Tunisia
- Department of Pathology, Hospital Menzel Bourguiba, Menzel Bourguiba, Tunisia
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Yoon HM, Byeon SJ, Hwang JY, Kim JR, Jung AY, Lee JS, Yoon HK, Cho YA. Sacrococcygeal teratomas in newborns: a comprehensive review for the radiologists. Acta Radiol 2018; 59:236-246. [PMID: 28530139 DOI: 10.1177/0284185117710680] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Sacrococcygeal teratomas are the most common solid tumor in newborn infants. The diagnosis is not difficult in many cases; however, there should be additional information on imaging studies in order to manage those infants properly. Details include histology, morphologic classification, complications such as rupture, bleeding, and mass effects on the adjacent structures. Although imaging features cannot accurately predict the histologic subtypes of the tumors, thorough evaluation of the imaging features can help distinguish malignant tumors from benign tumors. In this article, pathogenesis, histological characteristics, clinical considerations, and morphologic characteristics will be discussed.
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Affiliation(s)
- Hee Mang Yoon
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Sun-ju Byeon
- Department of Pathology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Jae-Yeon Hwang
- Department of Radiology, Pusan National University Children's Hospital, Yangsan-Si, Republic of Korea
| | - Jeong Rye Kim
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Ah Young Jung
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Jin Seong Lee
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
| | - Hye-Kyung Yoon
- Department of Radiology, Kangwon National University Hospital, Chuncheon-Si, Republic of Korea
| | - Young Ah Cho
- Department of Radiology and Research Institute of Radiology, University of Ulsan College of Medicine, Asan Medical Center, Seoul, Republic of Korea
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