6 Best Free Online Adrenal Washout Calculator Websites
Here is a list of best free online adrenal washout calculator websites. During a CT scan, a dye is injected into the bloodstream of a patient to highlight different tissues and structures. When an adrenal mass loses its brightness filled with dye during a CT scan is referred to as adrenal washout. Adrenal washout helps doctors differentiate between benign adrenal adenomas and malignant lesions. Adrenal washout is calculated using the density of adrenal mass on three different CT scans. The first CT scan is known as Non-Enhanced Scan (it is taken before any dye injection). The second scan (Portal Venous Phase scan) is performed after 60 to 75 seconds after the contrast (dye) injection. This final scan (Delayed Scan) is taken after 15 minutes of contrast injection. If you want to calculate the adrenal washout, check out these online adrenal washout calculator websites.
Using these websites, users can quickly calculate adrenal washout. To do that, users need to enter the density of adrenal masses on all three CT scans (Non-enhanced scan, Portal venous phase scan, and Delayed scan). After the calculation, users get Absolute Washout and Relative Washout values in percentage indicating the adrenal washout rate. Most of these websites also describe the meaning of obtained values like an absolute washout of more than 60 percent or higher indicating adenoma. These websites also show the adrenal washout calculation formulas with examples. To help new users, I have included the necessary calculation steps in the description of each website. Go through the list to learn more about these websites.
My Favorite Online Adrenal Washout Calculator Website:
omnicalculator.com is my favorite website as it explains adrenal adenoma and describes all adrenal washout parameters in detail. It also shows the adrenal washout calculation formula and steps of calculation.
You can also check out lists of best free Fetal Weight Calculator, Growth Rate Calculator, and Protein Creatinine Ratio Calculator websites.
Comparison Table:
| Features/Website Names | Calculate Absolute and Relative Washout in percentage | Shows Calculation Formulas | Provides meaning of obtained absolute and relative washout values |
|---|---|---|---|
| omnicalculator.com | ✓ | ✓ | ✓ |
| pcheng.org | ✓ | ✓ | ✓ |
| radiogyan.com | ✓ | ✓ | ✓ |
| myendoconsult.com | ✓ | ✓ | ✓ |
| radcalculators.org | ✓ | ✓ | x |
| cancernomograms.com | ✓ | x | ✓ |
omnicalculator.com
omnicalculator.com is a free online adrenal washout calculator website. Using this website, users can estimate the adrenal washout using a pre-contrast scan, a post-contrast scan with a 60-75 seconds delay, and scan with 15-minute delay values.
This website explains adrenal adenoma and describes all the parameters involved in the calculation with the help of examples. It also shows the formula that it uses to calculate the adrenal washout. After performing the calculation, it not only shows absolute washout but also shows relative washout value in percentage. Now, follow the below steps.
How to calculate adrenal washout online using omnicalculator.com:
- Visit this website and access the Adrenal Washout Calculator.
- After that, enter the known Pre-Contrast, 60-70 sec delay post-contrast, and 15-minute detail values in HU units.
- Next, view the calculated absolute washout and relative washout values.
Additional Features:
- This website offers multiple health calculators such as Bladder Volume, Albumin Creatinine Ratio, FENa Calculator, BUN Creatinine Ratio Calculator, and more.
Final Thoughts:
It is one of the best free online adrenal washout calculator websites that also explains adrenal adenoma and shows the calculation process.
| Pros | Cons |
|---|---|
| Explains Adrenal Washout | |
| Shows calculation formula | |
| Offers multiple examples of calculation |
pcheng.org
pcheng.org is another free online adrenal washout calculator website. This website comes with a simple Adrenal CT Washout calculator. To perform the calculation, it needs Pre-contrast, 60-75 Seconds post-contrast, and 15-minute delay values in HU unit. After performing the calculation, it shows absolute washout and relative washout values. It also highlights the meaning of achieved absolute and relative washout values. It also shows the formula to calculate both absolute and relative washout values. Now, follow the below steps.
How to calculate adrenal washout online using pcheng.org:
- Visit this website and open up the Adrenal CT Washout calculator.
- After that, enter pre-contrast, 60-75 second post-contrast and 15-minute delay values.
- Next, click on the Calculate button to view absolute and relative washout values in percentage.
Additional Features:
- This website offers related calculators such as Adrenal MRI, Ellipsoid Volume, Hepatic FAT MRI, and TIRADS values.
Final Thoughts:
It is another good online adrenal washout calculator website that helps users calculate both adrenal and relative washout values.
| Pros | Cons |
|---|---|
| Calculates both Adrenal washout and relative washout values | |
| Shows calculation formula | |
| Highlights meaning of obtained values |
radiogyan.com
radiogyan.com is another free online Adrenal washout calculator. This website offers a simple and effective Adrenal washout calculator. This calculator helps users find absolute washout and relative washout values in percentage. It also explains the meaning of obtained results like absolute washout of more than 60 percent or higher is consistent with adenoma, relative washout of 40 percent or higher is consistent with adenoma, etc. It also shows the formulas that it uses to perform the calculation. It also answers multiple queries related to adrenal washout calculation. Now, follow the below.
How to calculate adrenal washout online using radiogyan.com:
- Visit this website and access the adrenal washout calculator.
- After that, enter Unenhanced HU, Enhanced HU, and Delayed HU values.
- Next, view the calculated absolute washout and relative washout values in percentage.
- Finally, view the comments associated with the obtained results.
Additional Features:
- This website has multiple online tools such as Radiology Calculator, Radiological Anatomy, normal radiology reference values, etc.
Final Thoughts:
It is another good online adrenal washout calculator that also highlights the meaning of obtained adrenal washout and relative washout values.
| Pros | Cons |
|---|---|
| Calculates both Adrenal washout and relative washout values | |
| Shows calculation formula | |
| Describes the meaning of obtained values |
myendoconsult.com
myendoconsult.com is another free online adrenal washout calculator website. This website offers a standard adrenal washout calculator that helps users determine the absolute washout and relative washout values in percentage. It also interprets the meaning of obtained absolute and relative washout values to help users better understand the obtained values. It also shows absolute washout and relative washout calculation formulas and explains all the parameters involved in the calculation. Now, check out the below steps.
How to calculate adrenal washout online using myendoconsult.com:
- Go to this website and open up the Adrenal Washout calculator.
- After that, enter the portal venous phase, delayed phase, and pre-contrast phase values.
- Next, view the calculated absolute washout and relative washout values.
- Finally, click on the Calculate washout with interpretation to view the meaning of the obtained results.
Additional Features:
- This website has resources related to Endocrine System Mnemonics, Endocrine Journal Club, History of Hormones, Encodrine Question Bank, etc.
Final Thoughts:
It is another good online adrenal washout calculator website that explains the meaning of obtained absolute and relative washout values.
| Pros | Cons |
|---|---|
| Calculates both Adrenal washout and relative washout values | |
| Describes the meaning of input values | |
| Shows Calculation Formulas |
radcalculators.org
radcalculators.org is another free online adrenal washout calculator website. This website offers multiple radiology calculators including an adrenal washout calculator. It helps users determine absolute and relative adrenal washout values in percentage. To perform the calculation, it needs three primary values namely HU in Non-Enhanced CT, HU in Portal Venous Phase, HU in Delayed Phase. It also highlights the meaning of values entered by users. After the calculation, it shows Absolute and Relative washout values. It also provides the calculation formulas. Now, check out the below steps.
How to calculate adrenal washout online using radcalculators.org:
- Visit this website and access the Adrenal Washout Calculator.
- After that, submit HU in Non-Enhanced CT, HU in Portal Venous Phase, HU in Delayed Phase values.
- Now, view the calculated relative and absolute washout values in percentage.
- Finally, copy the obtained result.
Additional Features:
- This website has multiple online tools such as Chest Imaging, Oncologic Imaging, Thyroid Ultrasound, Volume Calculator, and more.
Final Thoughts:
It is another good online adrenal washout calculator that anyone can use without much hassle.
| Pros | Cons |
|---|---|
| Calculates both Adrenal washout and relative washout values | |
| Shows calculation formula | |
| Describes the meaning of input values |
cancernomograms.com
cancernomograms.com is the last free online adrenal washout calculator website. This website has an adrenal mass washout calculator that calculates Absolute Percentage Washout and Relative Percentage Washout values. It also explains the meaning of the obtained results. Like other similar websites, it also needs three primary values to calculate adrenal washout namely Unenhanced Attenuation, Enhanced Attenuation, and Delayed Enhanced. However, it lacks information related to adrenal washout. Now, follow the below steps.
How to calculate adrenal washout online using cancernomograms.com:
- Visit this website using the given link.
- After that, enter all three primary values and start the calculation process.
- Finally, view the calculated absolute percentage and relative percentage washout values and their meaning.
Additional Features:
- This website also offers multiple cancer prediction tools.
Final Thoughts:
It is another good online adrenal washout calculator that helps users calculate the Absolute Percentage and Relative percentage washout values.
| Pros | Cons |
|---|---|
| Calculates both Adrenal washout and relative washout values | |
| Describes the meaning of input values |
Frequently Asked Questions
During a CT scan, a dye is injected into the bloodstream of a patient to highlight different tissues and structures. When an adrenal mass loses its brightness filled with dye during a CT scan is referred to as adrenal washout.
The Relative Percentage Washout (RPW) is a measure of the contrast washout from the adrenal gland over time and is commonly used in the evaluation of adrenal lesions to help differentiate between benign and malignant masses. The calculation involves measuring the attenuation (density on CT) or signal intensity (on MRI) of the adrenal lesion at different time points during the contrast enhancement phases.
In radiology, "washout" refers to the reduction or decrease in contrast enhancement within a lesion or tissue over time during dynamic imaging studies. This term is commonly used in the context of contrast-enhanced imaging techniques such as computed tomography (CT) or magnetic resonance imaging (MRI).
The contrast washout characteristics of adrenocortical carcinoma (ACC) can vary, and there is no one-size-fits-all pattern that definitively distinguishes ACC from benign adrenal lesions. However, in general, adrenocortical carcinomas tend to demonstrate less washout of contrast compared to benign adrenal adenomas.
Relative washout is a term used in radiology to describe the decrease in contrast enhancement of a lesion or tissue relative to the surrounding normal tissue. It is often expressed as a percentage and is calculated using measurements of contrast density or signal intensity on imaging studies, such as computed tomography (CT) or magnetic resonance imaging (MRI).
Naveen Kushwaha
Passionate about tech and science, always look for new tech solutions that can help me and others.
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