Multiple endocrine neoplasia type 1 combined with thyroid neoplasm: A case report and review of literatures

Figure 3 Single-photon emission computed tomography/computed tomography and intraoperative findings. A: Single-photon emission computed tomography/computed tomography revealed that a mass was located below the lower pole of the right thyroid lobe that was growing downward and protruding into the superior mediastinum. No significant radioactivity concentration was observed in the mass (white arrow); B: A large cyst was filled with clear watery fluid and contiguous with the lower right thyroid lobe (white arrow).