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Translational Pediatrics May 2021This article reviews the contemporary diagnosis and management of the most common abdominal neoplasms and cystic lesions diagnosed in the fetus. Fetal tumors discussed... (Review)
Review
This article reviews the contemporary diagnosis and management of the most common abdominal neoplasms and cystic lesions diagnosed in the fetus. Fetal tumors discussed include teratomas (sacrococcygeal, cervical or mediastinal), mesoblastic nephroma, nephroblastoma (Wilms' tumor), neuroblastoma, and hepatoblastoma. Fetal abdominal cystic lesions discussed include ovarian cyst, choledochal cyst, intestinal duplication cyst, mesenteric cyst, simple hepatic cyst, and meconium pseudocyst. We discuss the rare indications for fetal intervention or fetal surgery and other perinatal management, including prenatal interventions and fetal surgery for sacrococcygeal teratoma. The lesions reviewed are detected by widespread use of screening ultrasonography during pregnancy. Work-up for these abnormalities may include fetal MRI which enhances the diagnostic accuracy of abdominal tumors and cystic lesions and can aid in characterization of the lesion in relationship to surrounding anatomic structures. Accurate prenatal diagnosis of such lesions permits recommendations for optimal location and timing of delivery, and inclusion of appropriate caregivers and expertise to facilitate postnatal management. Perinatal management of the fetus with a neoplasm requires consideration of the optimal timing and mode of delivery, and pediatric oncology and surgical specialty care. The majority of tumors diagnosed antenatally have good prognosis with current multimodality treatment.
PubMed: 34189111
DOI: 10.21037/tp-20-440 -
Medicine Dec 2022Sacrococcygeal teratomas (SCT) in adults are extremely rare, and most SCTs are located either mainly outside the pelvis, with a small number of intrapelvic components,... (Review)
Review
Sacrococcygeal teratomas (SCT) in adults are extremely rare, and most SCTs are located either mainly outside the pelvis, with a small number of intrapelvic components, or mostly in the pelvis (types III and IV). The etiology of teratomas remains unknown. Most teratomas are benign, and approximately 1 to 2% of teratomas undergo malignant transformation, including squamous cell carcinoma, adenocarcinoma, sarcoma, and other malignancies. Most SCTs grow insidiously, and their symptoms are not easily detected in the early stages. Some cases may only be discovered through physical examination or compression symptoms when the tumor reaches a detectable size. Computed tomography and magnetic resonance imaging have high detection rates for presacral space-occupying lesions and can provide imaging details with guiding significance for the selection of surgical methods. Surgical resection is the preferred treatment option for SCT and can determine the pathological type. Common sacrococcygeal malignancies are mainly immature teratomas and mature teratomas. When the presence of malignant components is confirmed, the treatment model should be adjusted according to pathological type.
Topics: Humans; Adult; Sacrococcygeal Region; Teratoma; Tomography, X-Ray Computed; Pelvic Neoplasms; Pelvis; Spinal Neoplasms
PubMed: 36596010
DOI: 10.1097/MD.0000000000032410 -
African Journal of Paediatric Surgery :... 2022Rhabdomyosarcoma (RMS) is one of the common malignant soft-tissue sarcomas affecting children. It originates from the embryonic mesenchyme precursor of striated muscle...
Rhabdomyosarcoma (RMS) is one of the common malignant soft-tissue sarcomas affecting children. It originates from the embryonic mesenchyme precursor of striated muscle and is frequently seen in the head-and-neck region, genitourinary system and extremities. Occasionally, it arises from the retroperitoneum, biliary tract and abdomen and is rarely seen in the sacrococcygeal area. A 4-month-male child presented with a nodule over the sacrum. Based on histopathology and immunohistochemical marker studies, a final diagnosis of RMS was rendered. There was no evidence of any teratomatous elements.
Topics: Child; Humans; Male; Rhabdomyosarcoma; Sacrococcygeal Region; Soft Tissue Neoplasms; Teratoma
PubMed: 36018208
DOI: 10.4103/ajps.ajps_69_21 -
Annals of Translational Medicine Oct 2016Historically, the gold standard for the treatment of congenital malformations has been planned delivery at tertiary care center with attempted post-natal repair or... (Review)
Review
Historically, the gold standard for the treatment of congenital malformations has been planned delivery at tertiary care center with attempted post-natal repair or amelioration of the lesion. Over the last few decades however, rapid advances in imaging and instrumentation technology combined with superior knowledge of fetal pathophysiology has led to the development of novel intrauterine interventions for most common fetal anomalies. Great success has already been seen the treatment of previous devastating anomalies such as myelomeningocele (MMC), congenital cystic malformations of the lung, twin-twin transfusion, and sacrococcygeal teratomas. Although still limited, these innovative techniques have unique potential to improve outcomes in the most devastating fetal anomalies.
PubMed: 27867946
DOI: 10.21037/atm.2016.10.34 -
Cureus Sep 2023Sacrococcygeal teratoma (SCT), one of the most common neoplastic tumors in newborns, is found very rarely in adults. These teratomas are germ cell tumours. Most of...
Sacrococcygeal teratoma (SCT), one of the most common neoplastic tumors in newborns, is found very rarely in adults. These teratomas are germ cell tumours. Most of these tumors are benign and cystic in nature, with only 1-2% of them having a malignant transformation. Most of these tumors are benign and cystic in nature, with only 1-2% of them having malignant transformation. A higher incidence was seen in females. Typically, cystic teratomas are asymptomatic, and so the diagnosis was often made inadvertently during radiographic studies. The majority of treatment is complete surgical excision, and both open and laparoscopic procedures have been proven to be efficient. Histopathologic examination can confirm the diagnosis. We present this unusual instance of a 56-year-old female patient with a sacrococcygeal teratoma.
PubMed: 37846273
DOI: 10.7759/cureus.45291 -
Autopsy & Case Reports 2021The sacrococcygeal region is the most common site for the extragonadal germ cell tumors comprising seminomatous and non-seminomatous tumors. Seminomatous tumors are... (Review)
Review
The sacrococcygeal region is the most common site for the extragonadal germ cell tumors comprising seminomatous and non-seminomatous tumors. Seminomatous tumors are seminomas, and non-seminomatous tumors comprise mainly teratoma (mature and immature), yolk sac tumor (YST), embryonal carcinoma (EC), and choriocarcinoma. These tumors occur in newborns, infants, and adolescents. Other common sites for extragonadal germ cell tumors are the brain and mediastinum, although they may occur anywhere in the body. These tumors may occur in mixed as well as pure form. So, sectioning from different areas should be done before labeling them as pure germ cell tumors. YST, in its pure form, is rare and therefore should not be missed as it is chemosensitive. The patient should be thoroughly assessed clinically. Imaging also becomes necessary while evaluating swelling in the sacrococcygeal region and can aid in differentials. When the clinical and imaging suspicion of either Sacrococcygeal teratoma or other germ cell tumor is high, serum biomarkers as alfa-fetoprotein should be requested. The serum levels are necessary and should be done preoperatively, postoperatively, and during the course of chemotherapy as follow-up. However, the final diagnosis rests on the histopathological diagnosis. We report one such case of pure YST in the sacrococcygeal region in a 9-month-old female child. The imaging suggested sacrococcygeal teratoma type 4, and high alfa-fetoprotein levels were determined postoperatively.
PubMed: 34249791
DOI: 10.4322/acr.2021.287 -
Surgical Case Reports Jan 2021Teratoma is a true neoplasm and originates from the three germ cell layers and it can contain any tissue derived from these layers. The location of teratoma is variable...
BACKGROUND
Teratoma is a true neoplasm and originates from the three germ cell layers and it can contain any tissue derived from these layers. The location of teratoma is variable according to the age group. In adults, sacrococcygeal teratoma is rare and carries a low risk of malignant transformation. Surgical resection is the mainstay of treatment and is challenging due to tumor location.
CASE PRESENTATION
We are presenting a case report of a 16-year old female referred to our hospital with recurrent attacks of urine retention. Imaging study showed a large sacrococcygeal tumor. It was successfully resected by a combined laparoscopic and posterior approach without any major complication.
CONCLUSION
The combined laparoscopic and posterior approach is a safe surgical technique for resection of the large sacrococcygeal tumor. This surgical method has been published around 10 times in separated reports around the world and for first time in our region.
PubMed: 33438088
DOI: 10.1186/s40792-020-01104-4 -
Journal of Korean Neurosurgical Society May 2021Sacrococcygeal teratoma (SCT) is an extragonadal germ cell tumor (GCT) that develops in the fetal and neonatal periods. SCT is a type I GCT in which only teratoma and...
Sacrococcygeal teratoma (SCT) is an extragonadal germ cell tumor (GCT) that develops in the fetal and neonatal periods. SCT is a type I GCT in which only teratoma and yolk sac tumors arise from extragonadal sites. SCT is the most common type I GCT and is believed to originate through epigenetic reprogramming of early primordial germ cells migrating from the yolk sac to the gonadal ridges. Fetal SCT diagnosed in utero presents many obstetrical problems. For high-risk fetuses, fetal interventions (devascularization and debulking) are under development. Most patients with SCT are operated on after birth. Complete surgical resection is the key for tumor control, and the anatomical location of the tumor determines the surgical approaches. Incomplete resection and malignant histology are risk factors for recurrence. Approximately 10-15% of patients have a tumor recurrence, which is frequently of malignant histology. Long-term surveillance with monitoring of serum alpha fetoprotein and magnetic resonance imaging is required. Survivors of SCT may suffer anorectal, urological, and sexual sequelae later in their life, and comprehensive evaluation and care are required.
PubMed: 33906346
DOI: 10.3340/jkns.2021.0015