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Iris melanoma in children: Current approach to management
John P McLaughlin1, Adrian T Fung, Jerry A Shields
1The Ocular Oncology Service, Wills Eye Institute, Thomas Jefferson University, Philadelphia, PA, USA.
Insights
Pediatric iris melanoma, though rare, can recur after surgery. This case highlights the need for advanced treatments like Iodine-125 plaque radiotherapy for recurrent eye tumors in young patients.
Area of Science:
- Ophthalmology
- Oncology
Background:
- Iris melanoma typically affects middle-aged Caucasian individuals with light-colored irises.
- Pediatric iris melanoma is an exceptionally rare occurrence.
Observation:
- A 15-year-old male presented with a suspected iris nevus, which was monitored over two years.
- The lesion exhibited significant growth in basal diameter and thickness, necessitating surgical excision.
Findings:
- Histopathology confirmed spindle cell iris melanoma.
- The tumor recurred two years post-surgery, involving the anterior chamber angle and causing secondary glaucoma.
Implications:
- This case underscores the potential for iris melanoma recurrence even after appropriate surgical intervention.
- Current management strategies for pediatric iris melanoma, including radiotherapy, are crucial for addressing recurrent or advanced disease.
Abstract:
Iris melanoma usually affects middle aged, Caucasian patients with light colored eyes. Pediatric iris melanoma is rare. A 15-year-old Caucasian male presented with 1-month history of a brown nodule in the inferotemporal aspect of his left eye. Iris nevus was diagnosed, and the patient was observed. Nearly 2 years later the lesion had grown in basal diameter and thickness, and the tumor was excised by partial lamellar scleral flap and sector iridectomy. Histopathology confirmed spindle cell iris melanoma. Two years post-operatively, tumor recurrence with anterior chamber angle involvement and secondary glaucoma developed. He was then treated with custom designed Iodine(125) plaque radiotherapy. This case demonstrates the recurrence of iris melanoma despite proper initial surgical management, and outlines current management options for pediatric iris melanoma.
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