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Nodular hyperplasia presenting as a mediastinal mass: Three case reports.
Do Hun Kim1, Dong Wook Kim, Gi Won Shin
1Department of Otorhinolaryngology-Head and Neck Surgery Department of Radiology Department of General Surgery Department of Nuclear Medicine Department of Pathology Department of Radiation Oncology Department of Anesthesiology and Pain Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, South Korea.
Mediastinal nodular hyperplasia (MNH) can mimic tumors on imaging. Biopsy and imaging review are key for appropriate management, potentially avoiding unnecessary surgery.
Area of Science:
- Thoracic Surgery
- Diagnostic Imaging
- Pathology
Background:
- Mediastinal nodular hyperplasia (MNH) is a rare condition that can present as a mediastinal mass.
- Accurate diagnosis is crucial to avoid unnecessary surgical intervention.
Observation:
- Three cases of MNH presenting as mediastinal masses are reported.
- Two cases underwent surgical excision, and one had a US-guided core needle biopsy.
- Histopathology confirmed MNH in all cases.
Findings:
- MNH can mimic malignant mediastinal tumors on imaging studies.
- Surgical removal may be avoidable in select cases based on imaging and biopsy.
- Conservative management is feasible for asymptomatic MNH in elderly patients.
Implications:
- Increased awareness of MNH imaging features can prevent misdiagnosis.
- Non-invasive diagnostic methods like biopsy are essential for MNH management.
- Avoiding unnecessary mediastinotomy improves patient outcomes and reduces healthcare costs.
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