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Retinoblastoma masquerading as ocular inflammation.
Summary
A rare case of retinoblastoma mimicking intraocular inflammation highlights diagnostic challenges. Early lactate dehydrogenase assay is crucial for diagnosing this diffuse infiltrating tumor with cell seeding.
Area of Science:
- Ophthalmology
- Pediatric Oncology
- Pathology
Background:
- Retinoblastoma, a common pediatric eye cancer, can present atypically.
- Intraocular inflammation can sometimes mask the clinical signs of retinoblastoma.
Observation:
- A 9-year-old girl presented with clinical findings suggestive of atypical intraocular inflammation.
- Histopathology revealed a diffuse infiltrating retinoblastoma with tumor cell seeding into the anterior chamber and vitreous cavity.
Findings:
- Standard ultrasonography is limited in evaluating tumors with this diffuse growth pattern.
- Cytologic examination of ocular aspirates requires careful interpretation due to potential misdiagnosis.
- Lactate dehydrogenase (LDH) assay is a valuable diagnostic tool, especially when tumor cells have seeded.
Implications:
- Accurate diagnosis of retinoblastoma is critical for timely and appropriate treatment.
- Clinicians should consider retinoblastoma in the differential diagnosis of intraocular inflammation in children.
- Advanced diagnostic methods like LDH assay aid in managing challenging retinoblastoma cases.