PMC8253379_01
Intraoperative ultrasound revealing a 2 cm heterogeneous right-sided mass consistent with an abnormal right upper parathyroid gland.
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Intraoperative ultrasound revealed a 2 cm heterogeneous right-sided mass likely consistent with an abnormal right upper parathyroid gland (Figure 1).
Photomicrographs of the resected parathyroid gland showing multiple endothelium-lined intercommunicating vascular channels filled with blood (capillary hemangioma-like proliferation) without evidence of endothelial atypia or mitotic activity and atrophy of the adjacent tissue (H&E, 20X).
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Histopathologic examination demonstrated multiple endothelium-lined anastomosing vascular channels filled with blood without evidence of endothelial atypia or mitotic activity and atrophy of the adjacent parathyroid tissue (Figure 2).