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International Journal of Clinical & Medical Images

2376-0249

Clinical-Medical Image - International Journal of Clinical & Medical Images (2022) Volume 9, Issue 5

Choroidal Melanoma: A Case Report..

Choroidal Melanoma: A Case Report..

Author(s): Abdelilah Drissi*, A Maniani, Habibchorfa Sara, Abir Lemrabet, R Saouab En-Naouali, El Fenni and Issam En-Nafaa

DOI: 10.4172/2376-0249.1000827

Received: 04 May 2022, Manuscript No. ijcmi-22-65950; Editor assigned: 06 May 2022, 2022, PreQC No. P-65950; Reviewed: 17 May 2022, QC No. Q-65950; Revised: 19 May 2022, Manuscript No. R-65950; Published: 27 May 2022, DOI: 10.4172/2376-0249.1000827

Clinical-Medical Image

Our case is about a 40-year-old male who consults in an emergency for right monocular blindness. A cerebral CT was performed who shows a right intraocular mass spontaneously hyperdense. Besides, an orbital MRI with and without contrast was performed who objectified an intraocular choroid mass of the temporal left quadrant of the right eye. Who appears as high intense on T1-weighted (A) and T1 Fatsat (B), low intensity on T2-weighted image (C), with an enhancement on a post-contrast characteristic of a choroidal melanoma (D) associated with a choroidal detachment (Figure 1).

Discussion

The Choroidal melanoma is a malignant tumor of the choroid and the most common primary intraocular tumor in adults. Its incidence is estimated at 6 cases per million per year with a predominance of the non-European white race. Clinically CM cause: vision loss, light flash. Ophthalmoscopic examination shows a pigmented mushroom-shaped mass, Fluorescein angiography objective a hyper fluorescent lesion, Doppler ultrasound shows a hyper vascularized echogenic mass. CT often identifies a hyperdense lesion with post-contrast enhancement, MRI is the most sensitive exam the tumour is characteristically hyperintense on T1 and hypointense on T2 due to the paramagnetic properties of melanin and exhibits a variable enhancement according to the degree of malignancy. Treatment includes radiotherapy, laser photocoagulation, local tumor resection, or even an enucleating [1-4].

Final diagnosis

Choroidal melanoma

Three differential diagnoses:

• Benign nevi

• Choroidal hemangiomas

• Choroidal metastases

Keywords: Choroidal melanoma; Malignant tumor; MRI

References

[1] Singh P, Singh A (2012) Choroidal melanoma. Oman J Ophthalmol 5(1): 1-3.

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[2] Char DH, Stone RD, Irvine AR, Crawford JB, Hilton GF, et al. (1980) Diagnostic modalities in choroidal melanoma. Am J Ophthalmol 89:223-230.

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[3] El-Yamouni O, El-Khaoua M, Jebbar Z, Alami F, Mellal Z, et al. (2013) L’apport de l’IRM dans le mélanome choroïdien malin. Maroc Médical. 35:1-3.

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[4] Shields CL, Manalac J, Das C, Ferguson K, Shields JA (2014). Choroidal melanoma: Clinical features, classification, and top 10 pseudomelanomas. Cur Opin Ophthalmo l25:177-185.

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Citations : 226

International Journal of Clinical & Medical Images received 226 citations as per Google Scholar report

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