Neoplastic C-cell hyperplasia

C-cell hyperplasia and microcarcinomas in a 5-year-old child with the Cys634Arg mutation. The expanding C-cell masses disrupt the basal membrane surrounding individual thyroid follicles (arrows).

Reproduced from: Expert Review of Endocrinology & Metabolism, September 2009, Vol. 4, No. 5, Pages 443-465 with permission of Expert Reviews Ltd.

Graphic 86205 Version 3.0

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