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Digital clubbing. Demonstration with positron emission tomography
1Section on Pulmonary and Critical Care Medicine, Bowman Gray School of Medicine, Wake Forest University, Winston Salem, NC, USA.
Chest
|April 1, 1995
Summary
Digital clubbing, a sign of lung disease, is poorly understood. Positron emission tomography (PET) revealed increased glucose metabolism in the nailbed of a lung cancer patient, offering new insights into clubbing mechanisms.
Area of Science:
- Pulmonology
- Dermatology
- Nuclear Medicine
Background:
- Digital clubbing is a recognized sign of underlying pulmonary disease.
- The exact mechanism causing digital clubbing remains unknown.
- Understanding clubbing's pathophysiology is crucial for diagnosing and managing lung conditions.
Observation:
- A patient with lung cancer presented with digital clubbing.
- Positron emission tomography (PET) was utilized for diagnostic imaging.
- The study focused on metabolic activity within the affected digits.
Findings:
- For the first time, PET imaging demonstrated increased glucose metabolism specifically at the nailbed in a patient with clubbing.
- This finding suggests a localized metabolic derangement contributing to digital clubbing.
- The results link pulmonary disease manifestations to specific metabolic changes.
Implications:
- Positron emission tomography (PET) may serve as a valuable tool in future research on digital clubbing.
- This study opens avenues for investigating the metabolic underpinnings of digital clubbing.
- Further research can elucidate the precise role of glucose metabolism in clubbing's development.