Ch 2 Mammo and Bone Density

Eight

The frequency with which breast cancer occurs in American women is one in:

True

The American College of Radiology (ACR) recommends that women older than age 40 should have a screening mammogram. 

Inframammary fold

The junction between the inferior aspect of the breast and anterior chest wall is termed the

Fibro-fatty

What is the breast classification of a 45-year-old woman with three or more pregnancies?

True

Compression of the breast will reduce geometric unsharpness of structures within the breast

5%-15%

Computer-aided detection (CAD) is reported to improve cancer detection rates by: 

15

Based on the manufacturer of the DXA scanner, the BMD of a patient may differ by ____% depending on the skeletal site scanned

Bilateral CC and MLO

The most common projections performed as routine projections in the United States are:

Eklund

Which of the following is most effective in demonstrating a breast with an implant?

HERSCAN

All of the following are supplemental breast imaging modalities except:

ABUS

 

HERSCAN

 

Breast MRI

 

Contrast Enhanced Mammography

True

Breathing must be suspended for projections of the breast.

all sites (excepts VA facilities) meet quality standards and be certified by the DHHS

The U.S. Mammography Quality Standards Act (MQSA) of October 1994 requires that:

5

The effective dose from a bone density exam of the spine and hip is typically less than ___µSv.

MRI

Which imaging modality is most ideal for a breast with an implant?

Sonography

Which of the following imaging modalities can best distinguish between a solid mass and a cyst in the breast?

Fatty

The average male breast is classified as being

History of Stroke

All of the following are risk factors for osteoporosis EXCEPT

Digital Breast tomosynthesis (DBT)

What modality creates a series of sectional image slices of the breast?

Lumbar spine and hip

What two areas of the body are typically scanned during a DXA exam?

1% to 2%

The risk of breast cancer occurring in men is about ____ of that for women

Diagnose and measure metastatic lesions of the bone

Which of the following is NOT one of the purposes of bone densitometry?

Osteoclasts

What cells are responsible for removing bone and causing bone resorption?

Osteopenia

A T-score of -2.1 from a dual energy x-ray absorptiometry (DEXA) scan is classified as:

True

A Z-score from a dual energy x-ray absorptiometry (DEXA) scan is formed by comparing the patient with an average individual of the same age and sex

Quantitative computed tomography (QCT)

Which modality creates cross sectional imaging for assessing both trabecular and cortical bone?