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Intrapulmonary schwannoma
Takashi Ohtsuka1, Hiroaki Nomori, Tsuguo Naruke
1Department of Thoracic Surgery, Saiseikai Central Hospital, Tokyo, Japan.
The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyobu Geka Gakkai Zasshi
|April 15, 2005
Summary
A rare intrapulmonary schwannoma, a neurogenic tumor, was identified in a patient presenting with an abnormal chest X-ray. This case highlights the importance of considering primary lung schwannomas in the differential diagnosis of lung masses.
Area of Science:
- Oncology
- Pathology
- Thoracic Surgery
Background:
- Intrapulmonary schwannomas are rare primary neurogenic tumors originating from Schwann cells.
- They often present as asymptomatic lung masses detected incidentally on imaging.
Observation:
- A 58-year-old woman presented with an incidental finding of an abnormal shadow on chest X-ray.
- Computed tomography revealed a solitary round mass in the right upper lobe's anterior segment.
Findings:
- Surgical resection (segmentectomy) and subsequent histopathological examination confirmed a primary neurogenic tumor.
- Immunohistochemical staining was positive for S-100 protein, characteristic of Schwann cell origin.
Implications:
- This case adds to the literature on intrapulmonary schwannomas, with a review of 62 similar cases.
- Accurate diagnosis and surgical management are crucial for these rare lung neoplasms.