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Radiographic evidence of calcification in pulmonary hamartomas
M S Shin1, R B McElvein, K J Ho
1Department of Radiology, School of Medicine, University of Alabama, Birmingham 35233.
Journal of the National Medical Association
|April 1, 1992
Summary
Solitary intrapulmonary hamartomas frequently show calcification, occurring in 75% of cases. Factors like chondromatous type and large tumor size may contribute to this high calcification rate.
Area of Science:
- Pulmonology
- Radiology
- Pathology
Background:
- Solitary intrapulmonary hamartomas are benign lung tumors.
- Calcification is a known feature but its frequency varies.
- High-resolution imaging is crucial for diagnosis.
Purpose of the Study:
- To report the unusually high frequency of calcification in solitary intrapulmonary hamartomas.
- To identify potential factors associated with increased calcification.
Main Methods:
- Retrospective review of eight cases of solitary intrapulmonary hamartomas.
- Analysis of tumor characteristics including histology and size.
- Evaluation of imaging findings, specifically computed tomography (CT).
Main Results:
- Calcification was observed in 75% (six of eight) of the presented hamartomas.
- Seven of eight cases were of the chondromatous variant.
- Larger tumor size and CT imaging were noted in cases with calcification.
Conclusions:
- A high rate of calcification is observed in this series of solitary intrapulmonary hamartomas.
- The chondromatous subtype and larger tumor size may be associated with increased calcification.
- Computed tomography aids in detecting calcification in these lesions.