Deep vein thrombosis CT

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Editor(s)-In-Chief: The APEX Trial Investigators, C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Cafer Zorkun, M.D., Ph.D. [2] ; Kashish Goel, M.D.; Assistant Editor(s)-In-Chief: Justine Cadet

Deep Vein Thrombosis Microchapters

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Patient Information

Overview

Classification

Pathophysiology

Causes

Differentiating Deep vein thrombosis from other Diseases

Epidemiology and Demographics

Risk Factors

Triggers

Screening

Natural History, Complications and Prognosis

Diagnosis

Diagnostic Approach

Assessment of Clinical Probability and Risk Scores

Assessment of Probability of Subsequent VTE and Risk Scores

History and Symptoms

Physical Examination

Laboratory Findings

Ultrasound

Venography

CT

MRI

Other Imaging Findings

Treatment

Treatment Approach

Medical Therapy

IVC Filter

Invasive Therapy

Surgery

Prevention

Cost-Effectiveness of Therapy

Future or Investigational Therapies

Special Scenario

Upper extremity DVT

Recurrence

Pregnancy

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Case Studies

Case #1

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Overview

Venous thrombosis in the proximal deep veins is responsible for more than 90% of the pulmonary embolisms. Some of the investigators have suggested combined use of CT PE protocol and CT scan venography in cases of suspected DVT and PE.[1]

CT

Uses

It is preferred over contrast venography as there is no need to cannulate the foot veins. In the following setting:

Limitations

It is not done routinely in clinical settings because of certain limitations:

  • Side effects of IV contrast administration
  • Expensive modality
Routine use is not recommended. (Class I - Level of evidence B)

Example

  • CT images: DVT at left leg


References

  1. Kanne JP, Lalani TA (2004). "Role of computed tomography and magnetic resonance imaging for deep venous thrombosis and pulmonary embolism". Circulation. 109 (12 Suppl 1): I15–21. doi:10.1161/01.CIR.0000122871.86662.72. PMID 15051664.