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Computed Tomography News & Stories

cVRT images show a dilated RIIA entangling distally with the RIIV. The IVC is opacified in the arterial phase, tortuous and dilated in the abdominal segment.
Right internal iliac arteriovenous fistula complicated by right heart failure

 16/07/2021

A 58-year-old female patient, suffering from recurrent and progressive chest tightness and shortness of breath for the past 3 months, came to the hospital for a check up.

Clinical Results
MIP and cVRT images show the coronary tree with multiple stenoses.
Multiple coronary stenoses secondary to atherosclerosis in an asymptomatic patient

 02/07/2021

A 50-year-old male patient, a smoker for over 30 years, presented himself for a routine checkup. He was asymptomatic then.

Clinical Results
A VRT image shows a blocked right main bronchus. The right lung appears hyperlucent in comparison to the left one, suggesting hyperinflation due to the valve effect.
Bronchial foreign body aspiration

 18/06/2021

A 13-month-old girl had a choking event after accidentally swallowing a peanut and was presented to the emergency department.

Clinical Results
Two images captured in a movie, showing the dynamic movement of the mass and the heart, demonstrate that the mass partially prolapses into the left ventricle in diastole and returns into the left atrium completely in systole.
A mobile cardiac myxoma

 28/05/2021

A 74-year-old female patient, suffering from exertional chest tightness and shortness of breath for the past year, came to the hospital for a check up.

Clinical Results
cVRT images show the torturous trajectory of the dilated RCA and D1, connecting distally, and a single fistula draining into the LV chamber.
Coronary cameral fistula

 14/05/2021

A 40-year-old female patient, suffering from Intermittent palpitations, came to the hospital for a check up. Her medical history was unremarkable except for a known arterial hypertension. A coronary CT Angiography (cCTA) was requested for further evaluation.

Clinical Results
Coronary bifurcation stenosis – hemodynamically relevant?

 19/04/2021

A 65-year-old female patient, suffering from atypical chest pain for the past year, came to the hospital for a check-up. Her medical history included hypercholesterolemia and borderline type 2 diabetes on dietary control. cCTA was performed, followed by dynamic CT MPI in rest and under stress using adenosine-mediated vasodilation.

Clinical Results

Massive carotid body tumor

 01/03/2021

A 45-year-old female patient, who has had a slow-growing, painless and nonpulsatile mass on the left side of her neck for the past 20 years, was presented to the hospital. She was asymptomatic and her past medical history was unremarkable. A CT angiography (CTA) was requested for pre-operative evaluation. Read more.

Clinical Results

Superior vena cava obstruction caused by a primary mediastinal large B-cell lymphoma

 08/02/2021

A 25-year-old male patient, suffering from chest congestion, recurrent coughing and facial edema, was admitted to the hospital. Read more.

Clinical Results

Mitral valve insufficiency – Pre-operative dynamic CT assessment

 18/01/2021

A 52-year-old female patient, with a 10-year history of uncontrolled hypertension and chronic bronchitis, was hospitalized due to a severe pneumonia complicated by acute heart and respiratory failure. Read more.

Clinical Results

Severe coronary stenosis with no evidence of plaques

 14/12/2020

A 56-year-old female patient, complaining of exertional dyspnea, was referred for an outpatient coronary CT angiography. Her medical history was unremarkable, apart from a positive treadmill stress ECG test. She had neither known risk factors, nor family history of coronary artery disease (CAD). A coronary CT angiography (cCTA) was performed for evaluation.

Delivery of the 55,555th CT from Siemens Healthineers

 25/11/2020

In 1974, Siemens was the world’s first medical technology manufacturer to launch a CT system on the market. SIRETOM was the first head scanner to produce layered images of a patient’s skull. Since then, 55,554 CT systems from Siemens have been delivered to customers across the globe.

Coronary Stenoses in a Patient with Dyspnea, Arrhythmia and Heart Failure

 23/11/2020

A 76-year-old male patient was admitted to the hospital with an initial diagnosis of arrhythmia and heart failure. He had been suffering from exertional dyspnea for the past year. This improved after rest but had aggravated over the past 4 days. A coronary CT angiography was requested for further evaluation.

Scaphoid fracture associated bone marrow edema

 30/10/2020

A 23-year-old patient, presented himself to the emergency department one day after a fall from a bicycle onto his left wrist. Radiographs, with scaphoid-specific projections, were taken but no fractures were demonstrated. Due to clinical suspicion of a radiographically occult scaphoid fracture, the patient was referred to a DECT scan of the wrist. Read more.

MBF images in both short and long axis reveal large anterior and septal defects under stress, and no perfusion defect in rest.MBF images in both short and long axis reveal large anterior and septal defects under stress, and no perfusion defect in rest.
Sagar Kulkarni1, MBBS; Bunny Saberwal2, MBBS; Francesca Pugliese3, MD, PhD, FHEA FESC FSCCT
Myocardial Hypoperfusion Caused by Severe Coronary Stenosis – Revascularization?

 05/10/2020

A 53-year-old male patient, a smoker, suffering from exertional chest pain for the past 4 months, came to the hospital for a check-up. His medical history included type 2 diabetes and hyperlipidaemia. Coronary CTA was performed, followed by a dynamic CT myocardial perfusion Imaging (MPI) in rest and under stress using adenosine-mediated vasodilation.

Clinical Results
Coronal view of VRT image.
V.S. Lajarin, MD; C.G.Y. Verrastro, MD; A.S. Albuquerque, MD; P. Bertolazzi, BS*; G. Meirelles, MD
Radiology Department, Fleury S.A., Paraíso, Sao Paulo, SP, Brazil
* Siemens Healthineers, Brazil
COVID-19 pneumonia – Chest X-ray or CT?

 15/09/2020

A 46-year-old female patient, suffering from coughing and dyspnea for the past two weeks, presented herself for a checkup. She had no fever and no history of smoking or previous pulmonary diseases. A chest CT examination was requested, based on a clinical suspicion of COVID-19 pneumonia.

Clinical Results