Correlation Between Preoperative Images of PPGL and Intraoperative Hemodynamics

Semiquantitative 131I-MIBG Scintigraphy Predicts Intraoperative Blood Pressure Fluctuation in Patients Undergoing Surgery for Pheochromocytoma and Paraganglioma

This is a retrospective observational cohort study involving patients with suspected PPGLs who underwent 131I-MIBG scanning and surgical treatment between January 2020 and April 2023. The objective is to evaluate the correlation between MIBG imaging score and intraoperative hemodynamic fluctuations.

This is a retrospective observational cohort study involving patients with suspected PPGLs who underwent 131I-MIBG scanning and surgical treatment between January 2020 and April 2023. The objective is to evaluate the correlation between MIBG imaging score and intraoperative hemodynamic fluctuations.

Inclusion Criteria:

• Patients with suspected PPGLs who received 131I-MIBG scintigraphy and were treated by surgery

Exclusion Criteria:

• 1) surgery was performed more than 6 months after 131I-MIBG scintigraphy; 2) tumor located in bladder where radioactive urine would influence assessment of tumor; 3) tumor was not resected as a whole; 4) resected tumor was not PPGLs confirmed by pathology; 5) 131I-MIBG scintigraphy images or intraoperative BP was not available for assessment.