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Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...

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Imaging in laryngeal cancers.

Varsha M Joshi1, Vineet Wadhwa, Suresh K Mukherji

  • 1Vijaya Diagnostics, Hyderabad, India.

The Indian Journal of Radiology & Imaging
|April 20, 2013
PubMed
Summary

Advanced imaging techniques like CT, MRI, and PET-CT are crucial for diagnosing laryngeal squamous cell carcinoma (SCC). These methods aid in staging, treatment planning, and monitoring patients, improving overall management of laryngeal cancer.

Keywords:
CTMRIimaginglaryngeal cancerpost-treatmentstaging

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Area of Science:

  • Radiology
  • Oncology
  • Head and Neck Surgery

Background:

  • Laryngeal cancers, predominantly squamous cell carcinomas (SCC), require comprehensive evaluation beyond clinical and endoscopic methods.
  • Accurate staging and assessment of tumor extent are critical for effective treatment planning and patient outcomes.

Purpose of the Study:

  • To review current laryngeal imaging techniques and protocols for evaluating laryngeal SCC.
  • To discuss the role of cross-sectional imaging (CT, MRI) and PET-CT in assessing tumor spread, nodal status, and distant metastases.
  • To highlight how imaging parameters can predict treatment response and impact clinical management.

Main Methods:

  • Review of cross-sectional imaging modalities including contrast-enhanced computed tomography (CT) and magnetic resonance (MR) imaging.
  • Discussion of the utility of Positron Emission Tomography-CT (PET-CT) in detecting nodal disease and metastases.
  • Analysis of imaging-based parameters such as tumor volume and cartilaginous abnormalities.

Main Results:

  • CT and MRI provide detailed visualization of laryngeal anatomy and submucosal tumor extension.
  • PET-CT offers vital information on cervical nodal disease, systemic metastases, and synchronous malignancies.
  • Imaging findings significantly improve pretherapeutic staging accuracy and influence management strategies.

Conclusions:

  • Integration of radiological findings with endoscopic evaluation enhances diagnostic accuracy for laryngeal SCC.
  • Imaging plays a vital role in guiding treatment decisions, predicting therapeutic success, and post-treatment surveillance.
  • Advanced imaging techniques are indispensable for comprehensive management of laryngeal cancer patients.