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Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
Published on: August 9, 2024
[Primary peripheral primitive neuroectodermal tumour of the orbit: case report]
Ivana Lopes Romero1, Luciano Sousa Pereira, Felipe Augusto Garcez de Campos
1Setor de Oculoplástica do Departamento de Oftalmologia da Santa Casa de São Paulo - São Paulo (SP) - Brasil. ilromero@gmail.com
Arquivos Brasileiros De Oftalmologia
|January 27, 2009
Summary
This report details the first documented case of a peripheral primitive neuroectodermal tumor in a Brazilian child's orbit. Immunohistochemical analysis was crucial for diagnosing this rare small round cell tumor.
Area of Science:
- Ophthalmology
- Pediatric Oncology
- Pathology
Background:
- Peripheral primitive neuroectodermal tumors (PNETs) are rare, aggressive neoplasms.
- Orbital PNETs are exceptionally uncommon, particularly in infants.
Observation:
- A 10-month-old female presented with an orbital mass.
- Clinical, radiologic, and histopathologic evaluations were performed.
- The tumor was identified as a primary peripheral primitive neuroectodermal tumor.
Findings:
- The case represents the first documented instance of orbital PNET in Brazil.
- Immunohistochemical analysis confirmed the diagnosis of a small round cell tumor.
- Diagnostic confirmation relied heavily on specific immunohistochemical markers.
Implications:
- This case expands the known geographic and demographic range of orbital PNETs.
- Highlights the importance of immunohistochemistry in diagnosing pediatric orbital small round cell tumors.
- Contributes to the limited literature on peripheral primitive neuroectodermal tumors in the orbit.
