DTPA Renogram

1Dynamic study

Open the DICOM of the dynamic sequence Drop the multi-frame file here (or all the single frames) or click to choose it

Detector

Timing protocol (frames × seconds)

2Images and ROIs

Draw Move

Draw: select an ROI, then drag for a freehand outline or click the vertices and close with a double-click or Enter (Esc cancels). Move: drag any ROI, backgrounds included. The arrow keys move the selected ROI by 1 pixel (Shift + arrows: 3 pixels). Posterior view: the left kidney is on the left of the image.

Image Colour scale Saturation Interpolate

Sequential images

Individual scale

3Renogram

Bolus arrival s from acquisition start Times measured from

Diuretic

Without diuretic With diuretic

Furosemide at min from bolus F+20 T½ level

You can also drag the vertical lines on the renogram or on the vascular phase.

Vascular phase (first 60 s)

Patlak-Rutland plot

Analysis settings

Relative function, integral – s Patlak-Rutland window – s Peak search from s Automatic background Background distance and thickness + px Automatic ROI threshold % of maximum 3-point smoothing for Tmax and T½

4Parameters

5GFR with the Gates method

Weight kg Height cm Age years Sex Body surface area

Injection time Decay correction Kidney count window – s Kidney depth μ soft tissue cm⁻¹

6Report

Physician's conclusions