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Pulmonary Langerhans cell histiocytosis diagnosed using transbronchial lung cryobiopsy: A case report
Keisuke Mine1, Noriho Sakamoto1, Mutsumi Ozasa1
1Department of Respiratory Medicine, Nagasaki University Graduate School of Biomedical Sciences, 1-7-1 Sakamoto, Nagasaki, 852-8501, Japan.
Insights
Transbronchial lung cryobiopsy (TBLC) aids in diagnosing pulmonary Langerhans cell histiocytosis (PLCH) when traditional methods fail. This technique shows promise as a primary diagnostic tool for PLCH.
Area of Science:
- Pulmonology
- Pathology
- Radiology
Background:
- Pulmonary Langerhans cell histiocytosis (PLCH) diagnosis can be challenging.
- Traditional methods like transbronchial lung biopsy (TBLB) may not yield a definitive diagnosis.
Observation:
- A 63-year-old Japanese woman presented with multiple pulmonary cysts.
- Initial investigations, including TBLB, were inconclusive.
- Chest computed tomography (CT) revealed characteristic cystic lung changes.
Findings:
- Pathological examination of bronchoalveolar lavage fluid and transbronchial lung cryobiopsy (TBLC) specimens confirmed PLCH.
- TBLC provided a diagnosis where TBLB failed.
Implications:
- TBLC may emerge as a superior diagnostic technique for PLCH compared to TBLB.
- Further research is needed to validate TBLC's role in routine PLCH diagnosis.
Abstract:
A 63-year-old Japanese woman with multiple cysts in both lungs on chest computed tomography (CT) was referred to our hospital after a thorough examination, including a transbronchial lung biopsy (TBLB), failed to provide a diagnosis. Based on the findings on chest CT and pathological examination of the bronchoalveolar lavage fluid and transbronchial lung cryobiopsy (TBLC) specimen, the patient was diagnosed with pulmonary Langerhans cell histiocytosis (PLCH). TBLC may replace TBLB as the main diagnostic technique for PLCH, although further studies are required to determine the usefulness of TBLC for the diagnosis of PLCH.
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