Frequently Asked Questions

CT stands for Computed Tomography, which is a medical imaging technique used to create detailed images of the body's internal structures.

During a CT scan, a narrow beam of X-rays is directed through the body at different angles. The X-ray detector measures the amount of radiation that passes through the body, and a computer uses this data to develop cross-sectional images of the body.

CT scans are commonly used to diagnose and monitor a variety of conditions, including cancer, heart disease, lung diseases, liver disorders, bone fractures, and vascular diseases.

CT scans involve exposure to a small amount of radiation, which can increase the risk of certain cancers. However, the benefits of CT scans in diagnosing and monitoring certain conditions usually outweigh the potential risks. Medical professionals take precautions to minimize radiation exposure.

The preparation for a CT scan may vary depending on the specific area being scanned. It is typically advised to wear comfortable clothing and avoid wearing any metal objects or jewelry. You may also be asked to fast or avoid drinking certain liquids before the scan.

The duration of a CT scan can vary depending on the area being scanned and the complexity of the examination. Typically, a CT scan can take anywhere from 5 to 30 minutes.

Common side effects of a CT scan include a temporary metallic taste, warm sensation, or flush feeling when a contrast material is used. Rarely, some people may experience an allergic reaction to the contrast material.

CT scans generally involve exposing the body to X-rays, which can potentially harm a developing fetus. Therefore, CT scans are usually avoided during pregnancy unless the benefits outweigh the risks.

In some cases, alternative imaging methods like MRI (Magnetic Resonance Imaging) or ultrasound may provide similar diagnostic information with less or no radiation exposure. The choice of imaging method depends on the specific condition and the information needed.

The radiologist will interpret the CT scan images and write a report. The report is then sent to your doctor, who will discuss the findings with you. The time it takes to receive the results can vary, but it is typically within a few days.

A 2D mammogram, also known as digital mammography, is a standard method used for breast cancer screening. The technology involves taking two-dimensional X-ray images of the breast from different angles.

A 3D mammogram, also known as tomosynthesis, is an advanced breast imaging technology. It captures multiple X-ray images of the breast from various angles to create a three-dimensional view, allowing for more detailed examination.

The main difference is that a 3D mammogram offers a more comprehensive view of the breast by capturing multiple images, whereas a 2D mammogram provides a single plane image. 3D mammograms can detect smaller masses and help reduce false positives.

Studies have shown that 3D mammograms have an improved cancer detection rate compared to 2D mammograms. The accuracy of 3D mammograms can help reduce the number of false negatives and false positives in breast cancer screening.

The discomfort experienced during a mammogram is similar in both 2D and 3D versions. Compressing the breast between two plates may cause some discomfort, but it is typically minimal and brief.

The frequency of mammograms depends on multiple factors, including age and personal risk factors. In general, it is recommended that women between the ages of 40-54 have mammograms annually. For women aged 55 and older, mammograms can be done every two years or continued annually based on individual risk assessments.

Yes, 3D mammography has higher cancer detection rates. While it is not a silver bullet (there are still some breast cancers we do not find with 3D mammograms), it is a definite improvement over 2D. 3D mammography also has a lower recall rate, meaning that fewer women need to return for additional images.

A mammogram appointment typically takes around 20-30 minutes, though it may vary depending on the facility and any additional procedures or discussions required.

Yes, it is essential to continue performing regular breast self-exams even if you undergo routine mammograms. Self-exams can help detect any changes or abnormalities between screenings and allow for early detection and prompt medical attention if needed.

Mammograms are an important tool for breast cancer detection, but they cannot provide a definitive diagnosis. If an abnormality is detected, further diagnostic tests like biopsies may be required to confirm the presence of breast cancer.

Ultrasound is a medical imaging technique that uses high-frequency sound waves to produce images of the inside of the body.

Ultrasound works by emitting high-frequency sound waves through a transducer, which is a handheld device. These sound waves then bounce back off the tissues and organs in the body, creating echoes. These echoes are then captured by the transducer and converted into images on a computer screen.

Ultrasound is used for a variety of purposes, including diagnosing and monitoring conditions or diseases, guiding procedures such as biopsies or needle aspirations, and monitoring the development of a fetus during pregnancy.

Yes, ultrasound is considered to be a safe imaging technique as it does not use ionizing radiation like X-rays or CT scans. It can be used on people of all ages, including infants and pregnant women.

Generally, there are no known risks or side effects associated with ultrasound. However, in some cases, it may cause mild discomfort or require the use of a gel on the skin for better contact between the transducer and the body.

The duration of an ultrasound examination can vary depending on the area of the body being examined and the specific reason for the scan. Generally, it can take anywhere from 15 minutes to an hour.

Preparation requirements can vary depending on the type of ultrasound being performed. For some ultrasounds, such as abdominal or pelvic scans, the patient may be required to fast for a certain period of time before the exam. It's best to follow any instructions given by the healthcare provider.

The radiologist will interpret the ultrasound images and write a report. The report is then sent to your doctor, who will discuss the findings with you. The time it takes to receive the results can vary, but it is typically within a few days.

X-rays are a type of electromagnetic radiation that can go through the body and create images of the internal structures.

X-rays pass through the body and are absorbed differently by different tissues. The absorbed X-rays create an image on a detector, which is converted into a digital or film image.

In general, X-rays are safe when used in the appropriate manner and with proper shielding. However, repeated exposure to X-rays can have harmful effects, so minimizing unnecessary exposure is important.

X-rays are used to diagnose a variety of medical conditions, but they are not always the best imaging technique. Depending on the specific condition, other imaging methods like MRI or ultrasound may be more appropriate.

There is a small risk of radiation exposure associated with X-rays. However, the benefits of a proper diagnosis often outweigh the risks, especially when the dose is carefully controlled.

Although the risk is considered low, pregnant women are generally advised to avoid unnecessary X-rays. In cases where they are essential for diagnosis or treatment, the radiation dose will be carefully considered and reduced as much as possible.

No, X-rays themselves are not painful. However, the positioning required for obtaining the images may cause temporary discomfort. In some cases, a contrast agent may be used, which can cause a temporary warm or flushing sensation

The time it takes to receive the results of an X-ray depends on the facility and the urgency of the situation. In many cases, the results are available within a day or two.

Most X-rays do not require any specific preparation, so you can generally eat and drink normally beforehand unless your healthcare provider instructs otherwise.

It depends on the specific X-ray exam. Sometimes, you may be asked to change into a gown and remove any metal objects, such as jewelry or clothing with metal fasteners, to obtain clearer images. Your healthcare provider will provide you with specific instructions before the procedure.

Yes, children can have X-rays, but the radiation dose is adjusted based on their size and weight to minimize the risk. Special care is taken to protect their reproductive organs, and lead aprons may be used for shielding.

DEXA is primarily used to measure and assess body composition, including bone density, lean muscle mass, and fat mass.

DEXA uses two different X-ray beams to pass through the body and measure the absorption of each beam, which allows for the accurate determination of bone density and body composition.

DEXA stands for Dual Energy X-ray Absorptiometry.

DEXA is considered a safe procedure, with minimal exposure to radiation. The radiation dose from a DEXA scan is very low, typically equivalent to a few days of natural background radiation.

No, DEXA scan is a painless procedure. The machine does not touch your body; you simply lie still on a table during the scan.

The duration of a DEXA scan can vary, but generally, it takes around 10 to 20 minutes.

Generally, there is no specific preparation required for a DEXA scan. However, it is recommended to wear comfortable clothing without any metal objects, such as zippers or buttons.

Yes, there are no restrictions on eating or drinking before a DEXA scan.

Loose-fitting clothing without metal objects is recommended for a DEXA scan. It is best to avoid wearing jewelry, buttons, or zippers.

DEXA scans are generally safe during pregnancy. However, it is recommended to inform your healthcare provider and the DEXA technician about your pregnancy before the scan.

The frequency of DEXA scans depends on individual circumstances and healthcare provider recommendations. It is commonly done every 1 to 2 years for monitoring bone health.