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Related Experiment Videos

Ring enhancing CT lesions--a diagnostic dilemma

N Kumar1, A S Narayanaswamy, K K Singh

  • 1Command Hospital, Pune.

The Journal of the Association of Physicians of India
|June 1, 1995
PubMed
Summary

Ring-enhancing lesions (RECTL) pose diagnostic challenges. Diagnosis requires repeated clinical evaluation, CT scans, and sometimes, surgical biopsy for accurate identification.

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Area of Science:

  • Neurology
  • Radiology
  • Pathology

Background:

  • Ring-enhancing lesions (RECTL) represent a diverse group of intracranial pathologies.
  • Accurate diagnosis of RECTL is crucial for effective patient management.
  • Differentiating between various causes of RECTL can be diagnostically challenging.

Purpose of the Study:

  • To analyze the clinical presentation, imaging findings, and etiological spectrum of ring-enhancing lesions (RECTL).
  • To evaluate the diagnostic utility of clinical examination, CT scans, and excision biopsy in managing RECTL.
  • To determine the common causes and diagnostic difficulties associated with RECTL.

Main Methods:

  • Retrospective study of 68 patients with RECTL.
  • Classification of patients into three groups based on lesion size (Group I: <5 mm, Group II: 5-10 mm, Group III: 10-20 mm).
  • Analysis of clinical data, CT scan findings, and histopathological results from excision biopsies.

Main Results:

  • The majority of cases (42) were in Group II (5-10 mm), predominantly affecting individuals aged 20-40 years.
  • Seizures were the most common presentation (60 cases).
  • The etiological spectrum included tuberculoma (22), neurocysticercosis (15), malignancy (4), abscess (2), and others; 8 cases remained of unknown etiology.

Conclusions:

  • Ring-enhancing lesions (RECTL) present a significant diagnostic challenge in clinical practice.
  • A combination of serial clinical assessments, CT imaging, and selected excision biopsies is essential for accurate diagnosis.
  • Understanding the differential diagnoses and employing appropriate diagnostic tools can overcome the diagnostic difficulties posed by RECTL.

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