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Ophthalmology

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Uvea

Question
5 out of 32
 

Vortex vein invasion is commonly seen in (LQ)



A Retinoblastoma
B Malignant melanoma

C Optic nerve glioma
D Medullo-epithelioma

Ans. B [Malignant melanoma] Q

1. Malignant melanoma - melanoma of the choroid is the most common primary malignant intraocular Qtumour in adults

2. Earliest pathognomic sign orange patches Q in the pigment epithelium due accumulation of the lipofuscin

3. GlaucomaQmay develop due to obstruction to the venous outflow by pressure on the vortex veins.

4. It metastasizes via vortex veins (hematogenow)

5. Liver is the most common site of metastasis Q

6. If the tumour breaks through Bruch membrane it acquires a mushroom shaped Q appearance-collar steed tumor

7. BrachytherapyQ is frequently the treatment of first choice

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