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Updated: Oct 10, 2026

Clinical Imaging of Microwave Mammography
Published on: November 14, 2025
Spectrum of US findings in pediatric and adolescent patients with palpable breast masses
S P Weinstein1, E F Conant, S G Orel
1Department of Radiology, Division of Breast Imaging, University of Pennsylvania Medical Center, 1 Silverstein Bldg, 3400 Spruce St, Philadelphia, PA 19104, USA.
Insights
Palpable breast masses in children and adolescents are rare and typically benign. Evaluation involves physical exam and ultrasound, confirming benign causes like fibroadenoma or infection in most cases.
Area of Science:
- Pediatric Endocrinology
- Breast Imaging
- Adolescent Medicine
Background:
- Palpable breast masses are uncommon in pediatric and adolescent patients.
- A thorough physical examination is the initial diagnostic step.
- Ultrasonography is recommended for evaluating suspect masses.
Purpose of the Study:
- To analyze the causes of palpable breast masses in pediatric and adolescent patients.
- To correlate clinical findings with imaging results.
- To review the literature on pediatric breast masses.
Main Methods:
- Retrospective review of pediatric and adolescent patients presenting with palpable breast masses.
- Physical examination and ultrasonographic evaluation.
- Histopathological correlation where available.
Main Results:
- All palpable findings in the study population were benign.
- Common benign causes included gynecomastia, cysts, fibroadenomas, and infections.
- Literature review confirmed the predominantly benign nature of these masses.
Conclusions:
- Palpable breast masses in pediatric and adolescent populations are overwhelmingly benign.
- Ultrasound is a key tool in diagnosing these masses.
- While rare, the possibility of malignancy should be considered.
Abstract:
Palpable breast masses arising in pediatric and adolescent patients are uncommon. A careful physical examination should be performed first, followed by an ultrasonographic evaluation when a suspect mass is present. In this study population, palpable findings were all due to benign causes, which is concordant with the literature. Benign causes included gynecomastia, cyst, fibroadenoma, lymph node, galactocele, duct ectasia, and infection. Though extremely rare, breast malignancies do occur in the pediatric and adolescent population.
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