Related Experiment Videos
Iris ring melanoma: fine needle biopsy
D H Char1, A E Kemlitz, T Miller
1The Tumori Foundation, 45 Castro Street, Suite 309, San Francisco, CA 94114, USA. devron@tumori.org
The British Journal of Ophthalmology
|March 21, 2006
Summary
Fine needle aspiration biopsy accurately diagnoses iris ring melanoma. This rare eye tumor has a significant 18% tumor-related mortality rate, highlighting the need for early detection.
Area of Science:
- Ophthalmology
- Oncology
- Pathology
Background:
- Iris ring melanoma is a rare intraocular neoplasm affecting the entire anterior chamber angle.
- Accurate diagnosis and understanding of prognosis are crucial for patient management.
Purpose of the Study:
- To evaluate the diagnostic accuracy of fine needle biopsy for iris ring melanoma.
- To determine the tumor-related mortality associated with iris ring melanoma.
Main Methods:
- Retrospective analysis of 22 patients diagnosed with iris ring melanoma.
- Assessment of fine needle biopsy results, including biopsies taken 180 degrees from the main tumor mass.
Main Results:
- Fine needle biopsy demonstrated high diagnostic accuracy for iris ring melanoma.
- Biopsies performed at a distance from the primary tumor were positive in 69% of cases.
- Tumor-related mortality was observed in 18% of patients, with a 10-year mortality rate of 15%.
Conclusions:
- Fine needle aspiration biopsy is a reliable method for diagnosing iris ring melanoma.
- Iris ring melanomas exhibit a higher mortality rate compared to focal iris tumors, emphasizing their aggressive nature.