PMC7364832_01
I-123 thyroid uptake imaging showed an asymmetric increased uptake within the right lobe of the thyroid.
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Subsequent evaluation and management included I-123 thyroid uptake imaging, which showed an asymmetric increased uptake within the right lobe of the thyroid (Figure 1).
Upper imaging: Thyroid nodule measuring 2.4 cm in greatest dimension. Heterogeneous mixed cystic/solid vascular nodule located in the mid-right thyroid lobe. Lower imaging: 2.1 x 2 x 3.03 cm complex nodule with irregular borders, internal macrocalcifications, and a microcalcification with no evidence of a clear halo.
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Thyroid ultrasound revealed a 2.4-cm heterogeneous mixed cystic/solid vascular nodule located in the mid-right thyroid lobe, corresponding to the focal region of intense uptake noted on the nuclear medicine thyroid uptake study (Figure 2). This ultrasound showed a 2.1 x 2 x 3.03 cm (6.4 mL) complex nodule with irregular borders, internal macrocalcifications, and a microcalcification with no evidence of a clear halo and internal vascularity (Figure 2), which corresponded to the nodule seen on I-123 thyroid uptake imaging.
Papillary thyroid carcinoma, classic type with calcifications including psammoma bodies and cystic change.
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The pathology report showed PTC, classic type, with calcifications including psammoma bodies and cystic change (2.5 cm) without lymph node involvement (Figure 3).