A 65-year-old man presents with a 2-week history of abdominal discomfort. Physical examination reveals a pulsatile abdominal mass in the periumbilical region. A CT scan shows a segment of abdominal aorta proximal to the bifurcation that is dilated (5 cm) and calcified. The patient is scheduled for corrective surgery but suffers a massive stroke and expires. The abdominal aorta is examined at autopsy (shown in the image). Which of the following is the most likely underlying cause of this patient's abdominal mass? (A) Angiosarcoma (B) Atherosclerosis (C) Cystic medial necrosis (D) Hypercalcemia (E) Thromboembolism
A 65-year-old man presents with a 2-week history of abdominal discomfort. Physical examination reveals a pulsatile abdominal mass in the periumbilical region. A CT scan shows a segment of abdominal aorta proximal to the bifurcation that is dilated (5 cm) and calcified. The patient is scheduled for corrective surgery but suffers a massive stroke and expires. The abdominal aorta is examined at autopsy (shown in the image). Which of the following is the most likely underlying cause of this patient's abdominal mass? (A) Angiosarcoma (B) Atherosclerosis (C) Cystic medial necrosis (D) Hypercalcemia (E) Thromboembolism
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A 65-year-old man presents with a 2-week history of abdominal discomfort. Physical examination reveals a pulsatile abdominal mass in the periumbilical region. A CT scan shows a segment of abdominal aorta proximal to the bifurcation that is dilated (5 cm) and calcified. The patient is scheduled for corrective surgery but suffers a massive stroke and expires. The abdominal aorta is examined at autopsy (shown in the image). Which of the following is the most likely underlying cause of this patient's abdominal mass?
(A) Angiosarcoma
(B) Atherosclerosis
(C) Cystic medial necrosis
(D) Hypercalcemia
(E) Thromboembolism
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