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Case Reports
. 2010 Aug;22(3):370-2.
doi: 10.5021/ad.2010.22.3.370. Epub 2010 Aug 5.

Cutaneous malignant melanoma associated with papillary thyroid cancer

Chi Yeon Kim  1 , Seung Hun Lee, Chee Won Oh
Affiliations
Case Reports

Cutaneous malignant melanoma associated with papillary thyroid cancer

Chi Yeon Kim et al. Ann Dermatol. 2010 Aug.

Abstract

As the survival from cutaneous malignant melanoma and its clinical concerns have been steadily increasing, the possibility has been raised of an increased risk of second primary cancers in the patients with malignant melanoma. Especially, recent studies have identified an association between cutaneous malignant melanoma and thyroid carcinoma. We here report on a case of cutaneous malignant melanoma that developed in a 61-year-old female patient who had hypothyroidism caused by papillary thyroid carcinoma. We suggest that the individuals who have cutaneous malignant melanoma may be predisposed to other primary cancers and especially thyroid carcinoma. Continuous monitoring of the thyroid function in melanoma patients is required because hypothyroidism can worsen due to malignant melanoma and this is probably associated with thyroid carcinoma.

Keywords: Hypothyroidism; Melanoma; Papillary thyroid carcinoma.

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Figures

Fig. 1
Fig. 1
The 1.0×1.0 cm sized solitary black-colored nodule with 2.5×2.0 cm sized surrounded ill-demarcated mottled patches on the left heel.
Fig. 2
Fig. 2
(A) The histopathologic findings show scattered or nested atypical melanocytes that are arranged in a pagetoid pattern (H&E stain, ×12.5). (B) The high power view reveals nests of anaplastic epithelioid cells with melanin pigment in the tumor and dilated, enlarged vascular channels in the dermis (H&E stain, ×40).
Fig. 3
Fig. 3
The PET-CT scan finding shows focal hot lesions are checked (A) in the left lobe of the thyroid and (B) the soft tissue on the heel of the left foot.
See this image and copyright information in PMC

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