Skip to main content

Table 1 Proposed FCH visual uptake scale for PCa lesions

From: How we read FCH-PET/CT for prostate cancer

Score

Uptake

Qualitative terms

Large lesion

(> ~ 1 cm)

Small lesiona

(≤ ~1 cm)

0

Not visible (equal to or lower than background)

No uptake

-

-

1

Higher than background, but lower than that of the bone marrow

Faint uptake

Bluish

-

2

Similar to or higher than that of the bone marrow, but lower than that of the liver and exocrine glandsb

Mild uptake

Greenish

Bluish

3

Similar to or between that of the liver and exocrine glands

Moderate uptake

Yellowish

Greenish

4

Higher than that of the liver and exocrine glands

Intense uptake

Reddish

Yellowish

5

Comparable to or higher than that of the kidney

Very intense uptake

Red (large area of saturation)

Reddish

  1. aFor smaller lesions, the uptake score is upgraded (vs. larger lesions) to account for partial volume effect
  2. bPancreas and salivary glands