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[Ocular toxocariasis or retinoblastoma?]
R López-Vélez1, M Suárez de Figueroa, L Gimeno
1Unidad de Medicina Tropical y Parasitología Clínica, Universidad Complutense, Madrid.
Enfermedades Infecciosas Y Microbiologia Clinica
|April 1, 1995
Summary
Ocular toxocariosis, caused by Toxocara canis, can mimic retinoblastoma. Accurate diagnosis is crucial for appropriate treatment and prognosis, especially in Spain where Toxocara exposure is common.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Parasitology
Background:
- Seroprevalence studies in Spain indicate widespread exposure to Toxocara canis.
- Ocular involvement by Toxocara canis is rarely described, complicating diagnosis.
- Clinical presentation and age overlap with retinoblastoma, necessitating differential diagnosis.
Observation:
- A case of ocular toxocariosis is presented.
- Diagnostic challenges include distinguishing from retinoblastoma due to similar clinical features and age of onset.
Findings:
- Diagnostic keys include ophthalmologic examination, imaging (ECHO, CT, MRI), aqueous humor cytology, and LDH quotient.
- Detection of specific anti-Toxocara antibodies via ELISA in serum and aqueous humor is essential.
Implications:
- Accurate differential diagnosis between ocular toxocariosis and retinoblastoma is critical.
- Timely and correct diagnosis ensures appropriate treatment and improves patient prognosis.