Orbital Exenteration in Patient with Metastatic Choroidal Melanoma – a Case Report
Authors:
P. Justusová; M. Štubňa; M. Veselovský; B. Lipková
Authors place of work:
Očné oddelenie, FNsP Žilina, primár MUDr. Michal Štubňa, PhD.
Published in the journal:
Čes. a slov. Oftal., 72, 2016, No. 3, p. 92-96
Category:
Case Report
Summary
Introduction:
Uveal melanoma is the most common primary intraocular tumour in adults in Caucasians and in 75% is arising from choroid. It threatens not only the patient’s loss of vision and eye, but also 50% of patients after 5-year interval after therapy die due to distant metastases. The treatment of small and medium-sized melanoma are methods preserving eye globe. Almost half of the total number of patients is still unavoidable enucleation. Considerably rarer is indicated exenteration of an orbit. These tumors metastasize only hematogenous, while the most frequent place of localization of distant metastases is the liver. Generalized disease prognosis is poor, and our current treatment options in this stage are ineffective.
Material and methods:
Case report of 59 years old patient with choroidal melanoma stage T4 N1 M1 massively infiltrating the orbit. At the time of diagnosis of the primary tumor distant metastases were present. The patient underwent exenteration of the orbit and systemic chemotherapy.
Discussion:
Although choroidal melanomas with extrascleral extension and infiltration into the orbit have no better prognosis after exenteration of the orbit, surgery is providing us local tumour control. Good cosmetic effect after this mutilating procedure is offered by individually made prosthesis (epithesis). All patients with uveal melanoma require lifelong dispensation, distant metastases may occur even after many years. In the treatment of generalized disease is available systemic chemotherapy and immunotherapy only palliative. The best effect on survival has complete surgical resection of single metastasis. Uveal melanoma has a different genetic profile as cutaneous melanoma. The biological nature of uveal melanoma seems to be the key to determining risk patients, as well as the development of targeted systemic therapy.
Conclusion:
Treatment of patients with generalized large uveal melanoma with extrascleral extension is difficult. A better understanding of biological interest may be the key to the detection of patients at higher risk of distant metastases formation, and to an effective systemic treatment.
Key words:
large uveal melanoma, extrascleral extension, orbital exenteration, the treatment of generalized disease
Zdroje
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Štítky
OphthalmologyČlánok vyšiel v časopise
Czech and Slovak Ophthalmology
2016 Číslo 3
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