AI Article Synopsis
- The study aimed to assess the prevalence and characteristics of gynecomastia using thoracic CT scans in patients with spinal and bulbar muscular atrophy (SBMA) compared to those with amyotrophic lateral sclerosis (ALS) and myasthenia gravis as controls.
- A total of 189 male patients were analyzed, revealing that individuals with SBMA had significantly larger breast glandular tissue diameters and higher rates of gynecomastia compared to the other groups.
- Results indicated that specific measurements of breast tissue on CT can effectively differentiate SBMA from other conditions, suggesting its potential use as a screening tool in clinical practice.
Article Abstract
Rationale And Objectives: To evaluate the prevalence, size, and characteristics of gynecomastia on thoracic computed tomography (CT) in patients with spinal and bulbar muscular atrophy (SBMA) or amyotrophic lateral sclerosis (ALS), compared to those of patients with myasthenia gravis (as controls).
Materials And Methods: A total of 189 male patients (SBMA [n = 15]; ALS [n = 76]; control [n = 98]) who underwent thoracic computed tomography were included. The size of breast glandular tissue diameters, and characteristic of CT-depicted gynecomastia were compared.
Results: On multivariate logistic regression analysis, mean breast glandular tissue diameter (adjusted odds ratio [aOR] 1.13, 95% confidence interval [CI] 1.08-1.19), maximum breast glandular tissue diameter (aOR 1.14, 95% CI 1.08-1.20), prevalence of CT-depicted gynecomastia (aOR 21.71, 95% CI 5.39-87.38), dendritic or diffuse pattern of gynecomastia (aOR 35.30, 95% CI 8.02-155.40), and bilateral gynecomastia (aOR 41.96, 95% CI 10.20-172.69) were positively associated with SBMA, but not ALS. On receiver operating characteristic (ROC) analysis, the area under the curve of the mean breast tissue diameter for predicting SBMA was 0.92 with the optimal cutoff value of 16.5 mm. The ROC analysis showed that a maximum breast tissue diameter of 18.6 mm can also effectively distinguish SBMA from controls.
Conclusion: These findings suggest that the evaluation of breast glandular tissue on thoracic CT could be a screening examination to distinguish SBMA patients and assist in its differential diagnosis.
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| http://dx.doi.org/10.1016/j.acra.2022.02.003 | DOI Listing |
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