International Journal of Thyroidology

Fig. 2.

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Fig. 2. Microscopic features of metastatic prostatic adenocarcinoma. (A) Core-needle biopsy of the left supraclavicular lymph node illustrates infiltration of atypical hyperchromatic cells in the hyalinized stroma. Poorly-formed glandular structures are identified (arrows) (Hematoxylin and Eosin [H&E] stain, ×200). (B) Tumor cells show a positive reaction on immunohistochemical stain for AMACR, a specific marker for prostatic carcinoma (original magnification ×200). (C) The thyroid gland reveals atypical cell clusters (arrows) (H&E stain, ×200) between normal thyroid follicles, which are positive for PSA, which is another marker of prostatic gland origin (original magnification ×200) (D).
Int J Thyroidol 2023;16:190-4
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