Fig. 4
From: A case of intrathyroid parathyroid tumor that was difficult to diagnose by ultrasonography
Pathological findings (Hematoxylin and Eosin stain) a Semi-macroscopic view (loupe image). The longitudinal images of the tumor are arranged in order. b × 10. The parathyroid adenoma was surrounded by a thin fibrotic capsule. c × 10. There were some nodular areas, which are composed of cells with clear cytoplasm, and there was scattered fatty infiltration. d × 40. The parathyroid adenoma showed no variant type and was almost uniform throughout. There was no evidence of malignancy