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Teratomas and Epidermoid Cysts
Research Guide
What is Teratomas and Epidermoid Cysts?
Teratomas and epidermoid cysts are congenital tumors and cystic lesions in fetuses and neonates, including sacrococcygeal teratomas and intracranial epidermoid cysts, often managed through fetal surgery, MRI imaging, and surgical excision.
This field encompasses 22,341 papers on the diagnosis and management of fetal and neonatal tumors such as sacrococcygeal teratoma and epidermoid cysts. Key areas include fetal surgery, intrapartum treatment, MRI imaging, and anesthesia for pediatric tumors. Growth rate over the past 5 years is not available from the data.
Topic Hierarchy
Research Sub-Topics
Sacrococcygeal Teratoma
This sub-topic covers the prenatal diagnosis, surgical resection, and long-term outcomes of sacrococcygeal teratomas in neonates. Researchers study imaging modalities like MRI, fetal interventions, and oncologic surveillance to improve survival rates.
Fetal Surgery for Congenital Tumors
This sub-topic examines minimally invasive fetal surgical techniques for tumors like teratomas and associated airway obstructions. Researchers investigate maternal-fetal risks, intraoperative monitoring, and postnatal results.
Epidermoid Cysts in Neonates
This sub-topic focuses on the pathogenesis, radiologic differentiation, and endoscopic or surgical management of intracranial and spinal epidermoid cysts in infants. Researchers analyze recurrence rates and complication profiles post-treatment.
Congenital High Airway Obstruction Syndrome
This sub-topic addresses the etiology, prenatal ultrasound detection, and EXIT procedure for CHAOS associated with teratomas. Researchers study genetic factors and multidisciplinary delivery strategies.
MRI Imaging of Fetal Teratomas
This sub-topic explores advanced MRI protocols for characterizing fetal teratomas, including tissue composition and vascularity assessment. Researchers develop quantitative imaging biomarkers for prognosis and surgical planning.
Why It Matters
Sacrococcygeal teratomas require precise surgical management in neonates, as surveyed in "Sacrococcygeal teratoma: American Academy of Pediatrics Surgical Section survey—1973" by Altman et al. (1974), which analyzed clinical outcomes across pediatric cases to guide resection timing and techniques. Intracranial cysts like epidermoid cysts demand accurate radiologic-pathologic correlation for differential diagnosis, as detailed in "Intracranial Cysts: Radiologic-Pathologic Correlation and Imaging Approach" by Osborn and Preece (2006), enabling MRI-based preoperative planning that reduces operative risks in pediatric neurosurgery. Teratomas within intracranial germ-cell tumors, comprising 18% of 389 cases in "Intracranial germ-cell tumors: natural history and pathogenesis" by Jennings et al. (1985), influence pathogenesis studies and site-specific treatment protocols.
Reading Guide
Where to Start
"Intracranial Cysts: Radiologic-Pathologic Correlation and Imaging Approach" by Osborn and Preece (2006), as it provides a foundational diagnostic algorithm for cysts including epidermoid types, essential for understanding imaging basics before tumor-specific papers.
Key Papers Explained
"Intracranial germ-cell tumors: natural history and pathogenesis" by Jennings et al. (1985) establishes the epidemiology of teratomas (18% of 389 cases), while "Intracranial Cysts: Radiologic-Pathologic Correlation and Imaging Approach" by Osborn and Preece (2006) details epidermoid cyst imaging (722 citations), and "Sacrococcygeal teratoma: American Academy of Pediatrics Surgical Section survey—1973" by Altman et al. (1974) surveys neonatal management, linking pathology to surgical practice.
Paper Timeline
Most-cited paper highlighted in red. Papers ordered chronologically.
Advanced Directions
Current focus remains on MRI-guided fetal surgery for sacrococcygeal teratomas and intrapartum management of associated airway obstructions, as no recent preprints or news are available.
Papers at a Glance
| # | Paper | Year | Venue | Citations | Open Access |
|---|---|---|---|---|---|
| 1 | Intracranial germ-cell tumors: natural history and pathogenesis | 1985 | Journal of neurosurgery | 845 | ✕ |
| 2 | Subtypes of medulloblastoma have distinct developmental origins | 2010 | Nature | 817 | ✓ |
| 3 | Intracranial Cysts: Radiologic-Pathologic Correlation and Imag... | 2006 | Radiology | 722 | ✕ |
| 4 | Sacrococcygeal teratoma: American Academy of Pediatrics Surgic... | 1974 | Journal of Pediatric S... | 714 | ✕ |
| 5 | Growth Characteristics of Infantile Hemangiomas: Implications ... | 2008 | PEDIATRICS | 685 | ✕ |
| 6 | Tumors of the head and neck: Clinical and pathological conside... | 1979 | Medical Entomology and... | 650 | ✕ |
| 7 | Granular cell tumor: A clinicopathologic study of 110 patients | 1980 | Journal of Surgical On... | 623 | ✕ |
| 8 | Prospective Study of Infantile Hemangiomas: Clinical Character... | 2006 | PEDIATRICS | 614 | ✕ |
| 9 | Asymptomatic Chiari Type I malformations identified on magneti... | 2000 | Journal of neurosurgery | 579 | ✕ |
| 10 | Granular cell myoblastoma—a misnomer. Electron microscopic and... | 1962 | Cancer | 570 | ✓ |
Frequently Asked Questions
What are the main subtypes of intracranial germ-cell tumors including teratomas?
Intracranial germ-cell tumors consist of 65% germinomas, 18% teratomas, 5% embryonal carcinomas, 7% endodermal sinus tumors, and 5% choriocarcinomas, based on 389 cases. Jennings et al. (1985) in "Intracranial germ-cell tumors: natural history and pathogenesis" defined their natural history and site specificity. These subtypes guide targeted surgical and oncologic management.
How are intracranial cysts like epidermoid cysts diagnosed radiologically?
Intracranial cysts exhibit a broad imaging and pathologic spectrum, with epidermoid cysts distinguished by radiologic appearance and anatomic location. "Intracranial Cysts: Radiologic-Pathologic Correlation and Imaging Approach" by Osborn and Preece (2006) provides a diagnostic algorithm based on common sites. MRI is essential for correlating imaging with pathology to differentiate from other cystic masses.
What is the clinical significance of sacrococcygeal teratoma in neonates?
"Sacrococcygeal teratoma: American Academy of Pediatrics Surgical Section survey—1973" by Altman et al. (1974) surveyed neonatal cases to establish management standards. Early surgical intervention addresses tumor size and complications like high-output heart failure. The survey informs resection strategies in pediatric surgery.
What role does MRI play in managing fetal teratomas and cysts?
MRI imaging is central to diagnosing fetal and neonatal tumors including sacrococcygeal teratoma and epidermoid cysts. It supports fetal surgery planning and intrapartum treatment by visualizing tumor extent and associated anomalies. The field leverages MRI for precise preoperative assessment in congenital cases.
How do teratomas differ from other pediatric tumors in origin sites?
Intracranial germ-cell tumors like teratomas show specificity in origin sites, unlike more diffuse pediatric tumors. Jennings et al. (1985) in "Intracranial germ-cell tumors: natural history and pathogenesis" analyzed 389 cases to map these patterns. Site specificity directs neurosurgical approaches.
Open Research Questions
- ? What are the long-term outcomes of fetal surgery for sacrococcygeal teratomas?
- ? How can MRI improve differential diagnosis between epidermoid cysts and other intracranial cystic tumors?
- ? What factors predict malignant transformation in neonatal teratomas?
- ? How does anesthesia management impact intrapartum treatment of congenital high airway obstruction with teratomas?
Recent Trends
The field maintains 22,341 works with no specified 5-year growth rate; top-cited papers like Jennings et al. (1985, 845 citations) and Altman et al. (1974, 714 citations) continue to anchor diagnosis of teratomas and sacrococcygeal cases.
No recent preprints or news coverage in the last 12 months indicates steady reliance on established surveys and imaging protocols.
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