Uveal Melanoma Metastasis to the Thyroid

Background. Around 1.2 to 3.1% of thyroid malignancies are due to metastasis. Among them, cutaneous malignant melanomas constitute 4% of malignancy metastasized to the thyroid. Uveal melanoma is uncommon, and its metastasis to the thyroid has only rarely been reported. Hereby, we describe an unusual...

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Main Authors: Rokshana R. Thanadar, Uzma M. Siddiqui, Shi Bai, Runhua Hou
Format: Article
Language:English
Published: Wiley 2023-01-01
Series:Case Reports in Endocrinology
Online Access:http://dx.doi.org/10.1155/2023/2118672
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author Rokshana R. Thanadar
Uzma M. Siddiqui
Shi Bai
Runhua Hou
author_facet Rokshana R. Thanadar
Uzma M. Siddiqui
Shi Bai
Runhua Hou
author_sort Rokshana R. Thanadar
collection DOAJ
description Background. Around 1.2 to 3.1% of thyroid malignancies are due to metastasis. Among them, cutaneous malignant melanomas constitute 4% of malignancy metastasized to the thyroid. Uveal melanoma is uncommon, and its metastasis to the thyroid has only rarely been reported. Hereby, we describe an unusual case of uveal melanoma metastasized to the thyroid and discuss the concept of correct diagnosis. Case Report. During a routine ophthalmological examination, an 86-year-old Caucasian female was found to have retinal detachment secondary to choroidal melanoma. She was treated with gamma knife which resulted in reduction of tumor size. Three months later, she was noted to have a goiter on physical examination. Follow-up thyroid ultrasonography demonstrated numerous vascularized nodules in both lobes. The fine needle aspiration (FNA) of the left dominant nodule was indeterminate the first time and nondiagnostic the second time. FNA of the right dominant nodule was nondiagnostic twice but showed malignant cells the third time. Subsequent immunohistochemistry staining of the FNA sample from the right thyroid nodule confirmed a profile consistent with malignant melanoma. Conclusion. It should be kept in mind that a thyroid nodule detected in a patient with a diagnosis of uveal melanoma can be metastasis and that uveal melanoma diagnosis should be taken into account for the examination of the thyroid tumors of these patients. It is important to employ immunohistochemical staining FNA examination of the patient with such tumors for markers associated with a patient’s known malignancy to facilitate diagnosis.
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spelling doaj-art-a1b7d19cb3fe4a8e81903bfecedd9fb02025-08-20T03:38:35ZengWileyCase Reports in Endocrinology2090-651X2023-01-01202310.1155/2023/2118672Uveal Melanoma Metastasis to the ThyroidRokshana R. Thanadar0Uzma M. Siddiqui1Shi Bai2Runhua Hou3Endocrinology and Diabetes Center of TidewaterEndocrinologyDepartment of PathologyThyroid AssociatesBackground. Around 1.2 to 3.1% of thyroid malignancies are due to metastasis. Among them, cutaneous malignant melanomas constitute 4% of malignancy metastasized to the thyroid. Uveal melanoma is uncommon, and its metastasis to the thyroid has only rarely been reported. Hereby, we describe an unusual case of uveal melanoma metastasized to the thyroid and discuss the concept of correct diagnosis. Case Report. During a routine ophthalmological examination, an 86-year-old Caucasian female was found to have retinal detachment secondary to choroidal melanoma. She was treated with gamma knife which resulted in reduction of tumor size. Three months later, she was noted to have a goiter on physical examination. Follow-up thyroid ultrasonography demonstrated numerous vascularized nodules in both lobes. The fine needle aspiration (FNA) of the left dominant nodule was indeterminate the first time and nondiagnostic the second time. FNA of the right dominant nodule was nondiagnostic twice but showed malignant cells the third time. Subsequent immunohistochemistry staining of the FNA sample from the right thyroid nodule confirmed a profile consistent with malignant melanoma. Conclusion. It should be kept in mind that a thyroid nodule detected in a patient with a diagnosis of uveal melanoma can be metastasis and that uveal melanoma diagnosis should be taken into account for the examination of the thyroid tumors of these patients. It is important to employ immunohistochemical staining FNA examination of the patient with such tumors for markers associated with a patient’s known malignancy to facilitate diagnosis.http://dx.doi.org/10.1155/2023/2118672
spellingShingle Rokshana R. Thanadar
Uzma M. Siddiqui
Shi Bai
Runhua Hou
Uveal Melanoma Metastasis to the Thyroid
Case Reports in Endocrinology
title Uveal Melanoma Metastasis to the Thyroid
title_full Uveal Melanoma Metastasis to the Thyroid
title_fullStr Uveal Melanoma Metastasis to the Thyroid
title_full_unstemmed Uveal Melanoma Metastasis to the Thyroid
title_short Uveal Melanoma Metastasis to the Thyroid
title_sort uveal melanoma metastasis to the thyroid
url http://dx.doi.org/10.1155/2023/2118672
work_keys_str_mv AT rokshanarthanadar uvealmelanomametastasistothethyroid
AT uzmamsiddiqui uvealmelanomametastasistothethyroid
AT shibai uvealmelanomametastasistothethyroid
AT runhuahou uvealmelanomametastasistothethyroid