Abstract
Most intrathoracic neurogenic tumors are resected for therapeutic diagnosis; many adult tumors are benign. However, few studies have reported the preoperative symptoms, postoperative modalities, and sequelae of these tumors. We focused on and evaluated the diversity and postoperative prognosis of these tumors. We assessed 31 consecutive cases of intrathoracic neurogenic tumors resected at Tsuchiura Kyodo General Hospital between 1988 and 2012. Two cases involved multiple tumors; therefore, complete resection or enucleation was performed only in the remaining 29 cases. The patients' clinical records were investigated retrospectively. All tumors were benign. Five cases (16.1%) presented with preoperative symptoms; 2 cases with non-neurologic symptoms (dysphagia due to tumor oppression and a massive hemothorax with neurofibromatosis type 1) improved after surgery, but 3 others with neurologic symptoms (back pain, hand motor paralysis, and Horner'ssyndrome) did not. Ten cases (32.3%) presented with postoperative modalities or sequelae. Eight cases presented with neurologic sequelae (Horner'ssyndrome, 4 cases; grip weakness, 3 cases; hypohidrosis, 3 cases; and hand numbness, 2 cases). All the patients presenting with neurologic sequelae had tumors proximal to the first or second thoracic vertebra; no tumors proximal to or under the third thoracic vertebra caused neurologic sequelae. Severe neurologic sequelae in daily life were observed in 2 cases, but they did not radically improve. While the non-neurologic symptoms caused by intrathoracic neurogenic tumors can be resolved by resection, the neurologic symptoms may not improve. Tumors proximal to the first or second thoracic vertebra can cause postoperative neurologic sequelae.
Published Version
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