Table 2 Descriptive statistics of HU distribution with different quantile ranges for PCa LNs masks and metastases.

From: Mask R-CNN assisted 2.5D object detection pipeline of 68Ga-PSMA-11 PET/CT-positive metastatic pelvic lymph node after radical prostatectomy from solely CT imaging

Quantile range (%)

PCa LNs metastases

0.5–99.5

− 97 to 310

1–99

− 90 to 169

1.5–98.5

− 84 to 151

2–98

− 79 to 141

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