MCN 538 Exam 3 Actual Exam Newest 2025/2026
Complete Questions And Correct Detailed Answers
(Verified Answers) |Newest Exam Version!!!
What typically benign characteristic does a mucinous or
colloid carcinoma often demonstrate?
A.smooth, well defined borders
B.hypoechogenicity
C.multiple lobulations
D.posterior acoustic enhancement
E.none of the above - Answer-D Because of the mucin
that makes up this carcinoma, posterior acoustic
enhancement is often evident. Otherwise, the lesion
displays malignant characteristics including:
hypoechogenicity and multiple lobulations.
When reporting a mammogram, the Radiologist describes
a mass as having a "breast within a breast" appearance,
classic for which of the following tumours?
A.fibroadenoma
B.lipoma
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C.juvenile papilloma
D.fibroadenolipoma
E.none of the above - Answer-D Hamartomas, or
fibroadenolipomas as they are also known often display a
mammographic appearance described as a "breast within
a breast".
Which of the following measurements best represents
normal skin thickness?
A.1.5 mm
B.1 cm.
C.3.5 mm
D.2 cm.
E.none of the above - Answer-A 1.5 mm is the only
measurement offered that is less than 2 mm. Normal skin
thickness should always be less than 2 mm.
Please refer to Figure 3-Q4. What, if any, are the
significant findings?
A.no findings, this is a normal axillary scan
B.the only finding is an abnormal lymph node
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C.there is an abnormal lymph node and a mass with
malignant characteristics
D.there is a lymph node presenting both hilum and cortex
and a mass with malignant characteristics
E.there is only a single mass with malignant characteristic
- Answer-D Atlas Figure 3-Q4 demonstrates what is most
likely a normal lymph node with preserved echogenic
hilum adjacent to a small mass with malignant
characteristics, including hypoechogenicity, acoustic
shadowing and irregular borders.
Which of the following may be considered findings or
characteristics typical of DCIS?
A.an abnormal axillary lymph node is identified adjacent to
a large area of altered tissue echogenicity
B.patients with DCIS often present with palpable masses
C.high resolution ultrasound scans may demonstrate
highly specular calcifications
D.a and b
E.a, b and c - Answer-C DCIS is completely contained
within the ducts, so is typically not palpable and is
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incapable of metastases, therefore nodal involvement is
not characteristic.
Which of the following is/are true statements regarding
Paget's disease of the nipple?
A.Paget's disease of the nipple is not considered a true
cancer
B.Paget's disease of the nipple often begins as LCIS
C.Patients present with scaling and redness of the nipple,
often confused with eczema of the nipple
D.a and b
E.a, b and c - Answer-C Paget's disease of the nipple is a
true cancer that is a subset of invasive ductal carcinoma
or DCIS. It often originates as DCIS (not LCIS) and is
limited to the nipple and/or areola and may be confused
with eczema of the nipple.
Juvenile fibroadenomas display which of the following
characteristics?
A.may displace the nipple
B.they are found in very young patients
C.they grow very slowly, attaining huge dimensions