Tumori · 2018
Giant intercostal nerve schwannoma in a patient with neurofibromatosis type 2.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Ampollini Luca, Ventura Luigi, Gnetti Letizia, Carbognani Paolo, Silini Enrico Maria, Rusca Michele
Аннотация
PURPOSE: To describe a case of giant intercostal nerve schwannoma successfully resected in a patient with neurofibromatosis type 2.
METHODS: A 44-year-old woman, with a history of neurofibromatosis type 2, presented with chest discomfort and mild dyspnea. She had undergone a recent resection of a large frontal parasagittal benign meningioma. Radiologic examinations showed a large lesion (9×12×9 cm) of the left hemithorax causing a complete atelectasis of left upper lobe. Bronchoscopy did not show any endobronchial alterations, apart from an ab estriseco compression of the left upper bronchial tree. A transthoracic needle biopsy was then performed and microscopic examination revealed a mesenchymal tumor composed of spindle-like cells.
RESULTS: A video-assisted thoracoscopic surgery procedure was proposed. The tumor mass appeared to be tenaciously adherent to the parietal pleura in its anterolateral aspect, confirming the radiologic appearance. No invasion of the lung parenchyma or parietal pleural metastases were visible. Therefore, a left posterolateral thoracotomy at the fifth intercostal space was performed and a macroscopic complete resection was carried out. The recovery was uneventful and the patient was discharged on postoperative day 5. The histologic examination revealed a moderate cellular proliferation of spindle-shaped and oval to polygonal cells with frequent Verocay bodies; mitotic figures were rare. The tumor cells were strongly S-100 positive. The microscopic features were consistent with benign intercostal schwannoma. Eight years later, the patient is disease-free and asymptomatic.
CONCLUSIONS: An unusual case of giant intercostal nerve schwannoma successfully resected in a patient with neurofibromatosis type 2 is described.
METHODS: A 44-year-old woman, with a history of neurofibromatosis type 2, presented with chest discomfort and mild dyspnea. She had undergone a recent resection of a large frontal parasagittal benign meningioma. Radiologic examinations showed a large lesion (9×12×9 cm) of the left hemithorax causing a complete atelectasis of left upper lobe. Bronchoscopy did not show any endobronchial alterations, apart from an ab estriseco compression of the left upper bronchial tree. A transthoracic needle biopsy was then performed and microscopic examination revealed a mesenchymal tumor composed of spindle-like cells.
RESULTS: A video-assisted thoracoscopic surgery procedure was proposed. The tumor mass appeared to be tenaciously adherent to the parietal pleura in its anterolateral aspect, confirming the radiologic appearance. No invasion of the lung parenchyma or parietal pleural metastases were visible. Therefore, a left posterolateral thoracotomy at the fifth intercostal space was performed and a macroscopic complete resection was carried out. The recovery was uneventful and the patient was discharged on postoperative day 5. The histologic examination revealed a moderate cellular proliferation of spindle-shaped and oval to polygonal cells with frequent Verocay bodies; mitotic figures were rare. The tumor cells were strongly S-100 positive. The microscopic features were consistent with benign intercostal schwannoma. Eight years later, the patient is disease-free and asymptomatic.
CONCLUSIONS: An unusual case of giant intercostal nerve schwannoma successfully resected in a patient with neurofibromatosis type 2 is described.