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Updated: Jul 17, 2026

Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice
Published on: August 4, 2011
[A study of children with retinoblastoma. Diagnosis is often delayed]
1S:t Eriks ögonsjukhus, Stockhlm.
Insights
Early ophthalmological assessment is crucial for diagnosing retinoblastoma, a rare childhood eye cancer. Delays in diagnosis, particularly in children with squint, highlight the need for prompt fundus examinations to ensure timely intervention.
Area of Science:
- Ophthalmology
- Pediatric Oncology
- Medical Diagnostics
Context:
- Retinoblastoma is a rare, aggressive childhood eye malignancy.
- The study analyzed diagnostic delays in 22 Swedish National Retinoblastoma Center cases.
- Family history influenced regular examinations in 4 children.
Purpose:
- To investigate diagnostic delays in retinoblastoma cases.
- To identify factors contributing to delayed diagnosis.
- To emphasize the importance of early ophthalmological assessment.
Summary:
- Diagnostic delays exceeding one month occurred in 5 of 18 children without a family history.
- Children presenting with squint experienced significant diagnostic delays.
- No substantial delay was observed once a fundus examination was performed.
Impact:
- Highlights the critical need for prompt ophthalmological evaluation in suspected retinoblastoma cases.
- Underscores the importance of fundus examination for early detection.
- Aims to reduce diagnostic delays and improve outcomes for retinoblastoma patients.
Abstract:
Retinoblastoma is an uncommon but highly malignant ocular tumour of the early childhood. The delay in diagnosis following presentation at a health care facility was studied for 22 consecutive cases derived from the National Retinoblastoma Center in Sweden. Four of the children were regularly examined owing to a family history of retinoblastoma, but among the remaining 18 children the delay in diagnosis exceeded one month in five cases (including all children presenting with squint). However, there was no appreciable delay once appropriate fundus examination had been performed, thus stressing the need of early ophthalmological assessment in all cases of children manifesting signs consistent with retinoblastoma.
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