PMC5111498_01
Parathyroid scintigraphy with 99mTc-MIBI. Ectopic parathyroid macroadenoma in the superior mediastinum.
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Bone scan 99mTc-MDP; multiple bone lesions.
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Hematoxilin-eosin staining 25x of the ectopic adenoma.
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The histological examination performed in the usual hematoxylin-eosin staining confirms the diagnostic of parathyroid adenoma, Figure 3, with a minimal thymus inclusion in the specimen.
Proliferation index ki-67 in the atypical parathyroid adenoma.
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The immunostaining for proliferation index ki-67 showed a value <10%, which suggested a low aggressive compound and arose the diagnostic of atypical parathyroid adenoma (Figure 4).