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AIIMS Patna NO - 2020

Medical & Surgical Nursing

Easy

Appeared in: AIIMS Patna NO - 2020

Explanation

A mammogram is a specific type of radiological (X-ray) examination designed exclusively for visualizing breast tissue.
It is considered the gold standard for breast cancer screening because it uses a low, safe dose of radiation, fitting the 'minimal and safe' criteria of the question.
The procedure is highly effective at detecting small, non-palpable masses and microcalcifications, which are often early signs of cancer.
The image provided shows a mammography machine, which compresses the breast to obtain clear images, a hallmark of this procedure.

Option A: A Computed Tomography (CT) scan uses a much higher dose of radiation than a mammogram and is not a standard screening tool for breast cancer due to the radiation risk and lower sensitivity for early-stage cancers compared to mammography.
Option B: A lymphangiogram is a specialized imaging test that visualizes the lymphatic vessels and nodes. It does not provide detailed images of breast tissue itself.
Option C: An angiogram is a procedure used to visualize blood vessels. It is not designed to examine breast glandular and fibrous tissue for masses.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Radiological screening for breast cancer as background academic context rather than a clinical decision trigger.
Nurses are crucial in educating patients about breast cancer screening guidelines, including the recommended age and frequency for mammograms, which vary based on risk factors.
Patient preparation is a key nursing role. This includes instructing the patient to avoid wearing deodorant, antiperspirant, or lotion on the day of the exam, as these products can contain metallic substances that appear as white spots on the X-ray, mimicking calcifications.
Nurses provide psychosocial support, as the procedure and the wait for results can cause significant anxiety for the patient.

How to Approach the Question

First, break down the question to its essential components: 1) a radiological examination, 2) for visualizing breast masses, and 3) using a minimal and safe amount of radiation.
Evaluate each option against these three criteria.
Consider 'Computed tomography scan'. It is radiological, but it is known for using higher doses of radiation, so it fails the 'minimal' criterion for screening.
Consider 'Lymphangiogram' and 'Angiogram'. These are radiological but are specialized for the lymphatic system and blood vessels, respectively, not for general breast tissue.
Consider 'Mammogram'. It is a radiological exam specifically for the breast and is well-known as a low-dose screening tool.
Conclude that 'Mammogram' is the only option that satisfies all parts of the question.

Concept Tested & Keywords

Concept Tested: Radiological screening for breast cancer
Stem keywords: radiological examination, minimal radiation, visualization, breast masses
Lead-in keywords: BEST, MOST RELEVANT CLUE
Negative lead-in flag: false

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