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Glass shards masquerading as calcifications in the breast: A case report
Akriti Khanna1, Margot S Peters2,3, Katrina N Glazebrook1
1Department of Radiology, Mayo Clinic, Rochester, MN 55905, USA.
This case report describes a patient whose breast imaging showed calcification-like features, but histopathology revealed glass shards from a prior motor vehicle accident. The authors emphasize the importance of correlating clinical history with imaging findings and suggest that nonmetallic foreign bodies, such as glass, can mimic benign or malignant lesions. The case highlights the diagnostic challenges of foreign bodies in the breast and the need for thorough patient history.
Area of Science:
- Breast imaging diagnostics
- Trauma-related soft tissue pathology
- Foreign body analysis in clinical imaging
Background:
Foreign bodies in the breast are uncommon and often go unnoticed unless they cause symptoms or are detected incidentally. While most breast imaging focuses on detecting malignancies or benign lesions, noniatrogenic foreign bodies present unique diagnostic challenges. Prior research has shown that such objects can mimic benign or malignant features, leading to diagnostic confusion. It was already known that trauma can introduce foreign materials into soft tissues, but their imaging characteristics are not well standardized. No prior work had resolved how to distinguish glass fragments from calcifications in imaging. That uncertainty drove this case report. The patient’s presentation with calcification-like features in the periareolar region raised diagnostic questions. No established guidelines exist for managing asymptomatic foreign bodies in the breast. This gap motivated the authors to describe the case and imaging findings in detail.
Purpose Of The Study:
This case report aims to highlight the imaging and histopathological features of glass shards in the breast. The specific problem addressed is the diagnostic challenge of distinguishing glass fragments from true calcifications. The authors sought to document the clinical and imaging presentation of this rare occurrence. They also aimed to provide guidance on diagnostic workup and management. The patient’s history of trauma suggested a possible cause, but imaging findings were ambiguous. The purpose was to clarify the imaging appearance of glass in soft tissue. The report also reviews available literature on foreign bodies in the breast. This case adds to the limited literature on nonmetallic foreign bodies in the breast.
Main Methods:
The authors conducted a case-based analysis involving clinical history, imaging, and histopathological examination. The patient underwent mammography and ultrasound to assess the periareolar lesion. Biopsy was performed after imaging findings remained inconclusive. Histopathology confirmed the presence of glass fragments within scar tissue. The authors reviewed prior literature on foreign body types in the breast. They analyzed the imaging characteristics of glass compared to calcifications. No experimental procedures were performed. The case was managed using standard clinical protocols. The findings were contextualized within the broader literature on breast foreign bodies.
Main Results:
The patient presented with multiple punctate and round calcifications in the right periareolar region. Imaging findings were initially suggestive of benign or malignant calcifications. Histopathological analysis revealed multiple glass fragments embedded in scar tissue. The patient’s history of a motor vehicle accident explained the origin of the foreign body. The glass shards were not associated with any active infection or mass. The imaging appearance of glass mimicked calcifications but differed in texture and distribution. The biopsy confirmed the presence of inert glass material. The patient was managed conservatively with no further intervention.
Conclusions:
The authors concluded that glass shards can mimic calcifications in breast imaging. This case demonstrates the importance of correlating clinical history with imaging findings. Histopathology remains the gold standard for definitive diagnosis. The authors suggest that trauma history should be considered in cases of unexplained calcifications. No prior work had resolved the imaging appearance of glass in soft tissue. The case highlights the need for awareness of nonmetallic foreign bodies in the breast. The authors propose that a thorough patient history is essential in such cases. The findings suggest that glass fragments may remain asymptomatic for years.
Frequently Asked Questions
The authors used histopathology to confirm the presence of glass shards, which were found within scar tissue from a prior trauma.
Glass shards appeared as punctate and round calcifications on mammography, but histopathology was needed for confirmation.
The biopsy was performed to differentiate between true calcifications and foreign body fragments, as imaging findings were inconclusive.
Patient history, such as a prior motor vehicle accident, can provide critical context for interpreting imaging findings.
In this case, the glass shards were asymptomatic and remained undetected for years until imaging was performed.
The authors suggest that trauma history should be considered when evaluating unexplained calcifications in the breast.

