Uveal (ciliary body and iris) melanoma

Case contributed by Dalia Ibrahim
Diagnosis almost certain

Presentation

Abnormal patch on the left iris noticed by the patient.

Patient Data

Age: 30 years
Gender: Male
This study is a stack
Axial
T2
This study is a stack
Axial
T1
This study is a stack
Coronal
T2
This study is a stack
Coronal
T1
This study is a stack
Sagittal
T2
This study is a stack
Axial
T1 C+
This study is a stack
Axial T1
C+ fat sat
This study is a stack
Coronal
T1 C+
This study is a stack
Sagittal
T1 C+
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Info

There is a lesion of abnormal signal  (increased T1 signal and decreased T2 signal) in the region of the lateral ciliary body & iris of the left orbit, which demonstrates enhancement after gadolinium administration.

Nuclear medicine
PET
PET,CT,PET/CT
PET,CT,PET/CT
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Info

Increased FDG uptake by the fore mentioned left ciliary body lesion (SUV max 4),

No FDG lesions distinctive for distant metastasis.

Annotated image
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Info

T2, T1+C ,PET/CT

Increased FDG uptake by the fore mentioned left ciliary body & iris lesion (SUV max 4),

Case Discussion

A case of pathologically proven ciliary body and iris melanoma.

Primary uveal malignant melanoma is a cancer (melanoma) involving the iris, ciliary body, or choroid (collectively referred to as the uvea). Tumors arise from the pigment cells (melanocytes) that reside within the uvea giving color to the eye.

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