Clinical Tools

Medical Calculators

RECIST, organ volumes, pediatric dosing, radioactive decay, MELD — precise tools for radiology and nuclear medicine workflows.

Recist 1.1
Recist 1.1

An efficient tool for tumor assessment according to RECIST standards.

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Radiology Volume Calculator
Radiology Volume Calculator

Tool to calculate the volume of different organs

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Mo-99/Tc-99m Generator Elution Yield Estimator
Mo-99/Tc-99m Generator Elution Yield Estimator

Estimate Mo-99 generator activity by days after calibration.

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Pediatric Dosage Calculator
Pediatric Dosage Calculator

Calculate radiopharmaceutical activity for pediatric patients using EANM 2016 standards.

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Radioactive Decay Calculator
Radioactive Decay Calculator

Plan activity for delayed administration: calculate required activity to reach a target at scan time or remaining activity after a delay.

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EQD2 & BED Calculator
EQD2 & BED Calculator

Calculate Equivalent Dose in 2 Gy fractions (EQD2) and Biologically Effective Dose (BED) for multiple α/β values in radiotherapy planning.

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GFR Calculator
GFR Calculator

Estimate glomerular filtration rate using Cockcroft-Gault and MDRD formulas. Supports µmol/L and mg/dL. Shows CKD stage automatically.

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CT Effective Dose Calculator
CT Effective Dose Calculator

Calculates effective radiation dose (mSv) from CT DLP using ICRP 60 / MU 2.6.1.2944-11 coefficients. Supports all anatomical regions and pediatric age groups.

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SSDE — Size-Specific Dose Estimate
SSDE — Size-Specific Dose Estimate

Adjust CTDIvol for actual patient size per AAPM Reports 204 and 220. Supports AP/LAT, effective diameter and paediatric weight/age inputs.

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Adrenal Washout Calculator
Adrenal Washout Calculator

Differentiate adrenal adenoma from non-adenoma using contrast washout (APW / RPW) on multiphase CT.

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GFR + Contrast Media Dose
GFR + Contrast Media Dose

Estimate eGFR (CKD-EPI 2021, Cockcroft-Gault, MDRD) and plan safe iodinated contrast volume before CT.

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I-131 Thyroid Therapy Dose
I-131 Thyroid Therapy Dose

Plan radioiodine activity for benign thyroid disease and DTC ablation using the Marinelli equation or EANM/SNMMI fixed-activity protocols.

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Pleural Effusion Volume on CT
Pleural Effusion Volume on CT

Estimate pleural effusion volume from a single axial CT measurement (Hazlinger / Mergo / Moy formulas).

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Mean Glandular Dose (Mammography)
Mean Glandular Dose (Mammography)

Calculate Mean Glandular Dose for digital mammography and tomosynthesis using the Dance formalism (g·c·s·T factors).

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Fluoroscopy Dose Calculator
Fluoroscopy Dose Calculator

Convert KAP/DAP to effective dose and estimate peak skin dose for fluoroscopy and interventional procedures (NCRP 168 thresholds).

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X-ray Dosimetry Tools
X-ray Dosimetry Tools

Tube output, kVp/mAs adjustment, half-value layer (HVL), inverse-square law and ESD calculations for medical physicists.

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Iron Overload (MRI)
Iron Overload (MRI)

Liver iron concentration from R2* or T2* (Hernando 2023 / Garbowski 2014), T2* fitted from a multi-echo series, and myocardial iron from cardiac T2*.

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Tools
DICOM Anonymizer
DICOM Anonymizer

Remove patient identifiers from DICOM files. Upload individual files or a ZIP folder — download anonymized DICOMs in the same structure.

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