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Ciliary Body Medulloepithelioma: Clinical and Pathologic Challenges with a Focus on Molecular Genetics
Ari H August1,2,3, Linda A Cernichiaro-Espinosa4,5, Mariana Moctezuma-Davila6
1Department of Ophthalmology, Sidney Kimmel Medical College of Thomas Jefferson University, Philadelphia, PA, USA.
Seminars in Ophthalmology
|January 27, 2025
Summary
Ciliary body medulloepithelioma (CBME) often presents with varied features, delaying diagnosis. Advanced techniques like genetic testing and immunohistochemistry improve early detection and management of this pediatric intraocular tumor.
Area of Science:
- Ophthalmology
- Pediatric Oncology
- Pathology
Background:
- Ciliary body medulloepithelioma (CBME) is a pediatric intraocular tumor with aggressive potential.
- Diverse clinical and histopathologic features complicate CBME diagnosis and management.
- Delays in diagnosis are common due to the tumor's varied presentation.
Purpose of the Study:
- To highlight unusual clinical and histopathologic features of CBME.
- To examine diagnostic and management challenges associated with CBME.
- To emphasize the role of modern diagnostic techniques in improving CBME outcomes.
Main Methods:
- Retrospective clinicopathologic analysis of 6 patients with unusual CBME features.
- Review of clinical presentations, histopathology, and diagnostic workups.
- Inclusion of genetic testing and immunohistochemistry in diagnostic assessment.
Main Results:
- A significant delay in accurate diagnosis (mean 5.7 years) was observed.
- Cataract and glaucoma were common comorbidities.
- Genetic testing and immunohistochemistry were crucial for accurate CBME diagnosis.
- DICER1 syndrome was identified in 33% of patients.
- Surgical interventions like enucleation and exenteration were performed.
Conclusions:
- Unusual CBME features contribute to diagnostic delays.
- Advanced diagnostic tools, including genetic testing and immunohistochemistry, are essential for timely diagnosis.
- Accurate diagnosis facilitates appropriate management of CBME.
