Question:
Where is the stent placed in the given X-ray?
Where is the stent placed in the given X-ray?
Show Hint
Device identification on plain films:
- TEVAR: Huge metallic mesh tracking the left paraspinal/aortic contour.
- Tracheal Stent: Central midline, sitting within the black air column.
- Coronary Stent: Rarely visible on standard non-magnified CXR.
- TEVAR: Huge metallic mesh tracking the left paraspinal/aortic contour.
- Tracheal Stent: Central midline, sitting within the black air column.
- Coronary Stent: Rarely visible on standard non-magnified CXR.
Updated On: Sep 3, 2026
- Aortic stent
- LAD stent
- Tracheal stent
- Renal artery stent
Show Solution
Verified By Collegedunia
The Correct Option is A
Solution and Explanation
Concept:
The question requires identifying the anatomical location and nature of a medical device (a stent) visualized on a standard radiograph.
Explanation:
• Although the physical image is a placeholder, a classic radiology question of this type presents a chest X-ray demonstrating a massive, self-expanding metallic mesh stent projecting vertically over the mediastinum, following the contour of the descending thoracic aorta.
• This specific appearance is pathognomonic for a Thoracic Endovascular Aortic Repair (TEVAR) stent-graft.
• Aortic stents used in TEVAR are enormous devices, typically ranging from 25 to 45 mm in diameter and spanning several centimeters in length. Because of their sheer size and radiopaque metallic skeleton, they are prominently visible on standard chest radiographs.
• Coronary stents, such as those placed in the Left Anterior Descending (LAD) artery (Option B), are extremely delicate (usually 2.5 to 4.0 mm in diameter) and are virtually imperceptible on a routine PA chest X-ray without magnification.
• A tracheal stent (Option C) would be located strictly in the anatomical midline, positioned within the radiolucent air column of the trachea in the upper mediastinum or neck.
• A renal artery stent (Option D) is deployed in the abdominal cavity (at the L1-L2 vertebral level) and would not be visible on a standard film restricted to the thorax.
Final Answer:
Based on the typical large-caliber, radiopaque appearance over the mediastinum in such questions, the device is an aortic stent used for thoracic aortic pathology.
The question requires identifying the anatomical location and nature of a medical device (a stent) visualized on a standard radiograph.
Explanation:
• Although the physical image is a placeholder, a classic radiology question of this type presents a chest X-ray demonstrating a massive, self-expanding metallic mesh stent projecting vertically over the mediastinum, following the contour of the descending thoracic aorta.
• This specific appearance is pathognomonic for a Thoracic Endovascular Aortic Repair (TEVAR) stent-graft.
• Aortic stents used in TEVAR are enormous devices, typically ranging from 25 to 45 mm in diameter and spanning several centimeters in length. Because of their sheer size and radiopaque metallic skeleton, they are prominently visible on standard chest radiographs.
• Coronary stents, such as those placed in the Left Anterior Descending (LAD) artery (Option B), are extremely delicate (usually 2.5 to 4.0 mm in diameter) and are virtually imperceptible on a routine PA chest X-ray without magnification.
• A tracheal stent (Option C) would be located strictly in the anatomical midline, positioned within the radiolucent air column of the trachea in the upper mediastinum or neck.
• A renal artery stent (Option D) is deployed in the abdominal cavity (at the L1-L2 vertebral level) and would not be visible on a standard film restricted to the thorax.
Final Answer:
Based on the typical large-caliber, radiopaque appearance over the mediastinum in such questions, the device is an aortic stent used for thoracic aortic pathology.
Was this answer helpful?
0
0
Top NEET SS Surgical Questions
- A post-mastectomy patient (for malignant breast lump) who also had axillary lymph node dissection now presents in the postoperative period (after drain removal) with a soft, fluctuant swelling in the axilla extending into the mastectomy site.
- A patient presents with a large, multilobulated breast tumour clinically suggestive of phyllodes tumour, and there is a significant family history of breast cancer (grandmother) and prostate cancer (father). What is the next step in management?
- In a young woman with a breast lump confirmed on ultrasound to be a simple cyst, what is the next step in management?
- A 45-year-old woman underwent investigations for a breast lump. Her biopsy report confirms invasive ductal carcinoma of the breast. You are the surgical resident in charge and need to communicate the diagnosis to her. What is the most appropriate approach?
- A 35-year-old woman, a chronic smoker, presents with recurrent painful periareolar swelling and purulent nipple discharge for the past 6 months. She has undergone incision and drainage twice, but the symptoms recur after a short period. Which of the following statements about the most likely diagnosis is true?
View More Questions
Top NEET SS Endovascular Surgery Questions
- In the Tessari technique, what is the ratio of mixing sclerosant to air?
- What is the most common complication of standard varicose vein surgery (e.g., ligation & stripping)?
- In a standard 4-layer bandage (4LB) system, which layer exerts the maximum pressure on the leg?
- Most appropriate next treatment in this patient?
- A patient presents with thigh and calf pain and is able to walk a claudication distance of 500 meters. No palpable pulses are present in the affected limb, but pulses in the opposite limb are normal. Where is the disease most likely located?
View More Questions
Top NEET SS Questions
- A liver transplant patient presents with diarrhoea, colitis, a total leukocyte count of 1800, and a positive blood CMV PCR. What is the next step in management?
- A 32-year-old male recovering from dengue fever initially showed clinical improvement but now presents with recurrence of high-grade fever, fatigue, and pancytopenia on day 10 of illness. He is hemodynamically stable with no bleeding manifestations. Which of the following investigations should be performed first to evaluate the cause of relapse and cytopenia?
- A 48-year-old man with chronic hepatitis C infection is being evaluated for risk factors associated with progression of liver disease. He has a 20-year history of infection, drinks alcohol occasionally, and has a high serum HCV RNA viral load. Which of the following factors is not associated with an increased risk of progression of liver disease in chronic HCV infection?
- A 28-year-old veterinary worker who previously received a full 3-dose pre-exposure rabies vaccination series is bitten by a stray dog while handling an animal in the clinic. The wound is cleaned immediately. What is the most appropriate post-exposure management?
- A 42-year-old patient undergoing chemotherapy for acute myeloid leukemia develops neutropenia (ANC $<$ 500) and is treated with broad-spectrum antibiotics. After initial recovery of neutrophil counts (ANC = 1500), he again develops high-grade fever and right upper quadrant abdominal pain. Imaging shows multiple small hypodense lesions in the liver and spleen. What is the most likely diagnosis?
View More Questions