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Abstract Background Intrathoracic neurogenic tumors arise from sympathetic nerve trunks and intercostal nerves; more than 90% are benign. Schwannomas are the most common histological variety, but fatalities due to giant schwannomas are rare. Case presentation We report a case of a 65-year-old woman who presented with chest pain and cough. Computed tomography (CT) revealed a large left chest wall mass of 130-mm in size, and the patient was referred to our department. Tumor biopsy was performed under local anesthesia, and a diagnosis of schwannoma was made. Ten years previously, a 30-mm tumor had been noted in the left third intercostal space by a previous doctor, but follow-up had been interrupted owing to depressive disorder. Although we planned to perform intercostal artery embolization followed by chest wall tumor resection, the patient did not consent to surgery due to uncontrolled depression. After four months, she developed respiratory failure caused by compression due to an enlarged tumor and died. Autopsy also revealed a benign schwannoma with no malignant findings. Conclusions Although schwannomas are benign tumors, there are some very rare cases in which they can become huge and life-threatening. Therefore, a benign tumor should not be neglected, and if surgery is not possible at the time of diagnosis, a regular follow up is necessary, in order not to miss the right timing for surgery.

Abstract Background Intramuscular hemangioma (IMH) is an uncommon type of hemangioma, and primary IMH of the intercostal muscle is even rarer. Only a few reports describe IMH of the intercostal muscle, and there are no review articles on this topic. We report our experience with a younger female patient, who underwent video-assisted thoracic surgery with tumor resection and review the previous literatures of intercostal IMH. Case presentation An asymptomatic 17-year-old woman showed a 29-mm, homogeneous, intrathoracic nodule in the left chest wall, attached to the second and third ribs on computed tomography. We performed exploratory thoracoscopic surgery and the tumor was excised without surrounding rib resection. Histopathologic examination of the surgical specimen revealed proliferation of small blood vessels within the surrounding striated muscle, leading to the diagnosis of intercostal IMH. The surgical margin was negative. The patient’s postoperative course was uneventful, and there has been no evidence of recurrence for more than 18 months after surgery. Conclusions We describe a case of intercostal IMH, who received tumor resection with clear excision margin without surrounding rib resection. Preoperative diagnosis is challenging due to its rarity, but intercostal IMH should be recalled as a differential diagnosis of chest wall tumor. Tumor excision without surrounding rib resection is acceptable for intercostal IMH, when there is a good possibility of achieving negative surgical margin.

Background: Intrathoracic neurogenic tumors arise from sympathetic nerve trunks and intercostal nerves; more than 90% are benign. Schwannomas are the most common histological variety, but fatalities due to giant schwannomas are rare. Case presentation: We report a case of a 65-year-old woman who presented with chest pain and cough. Computed tomography (CT) revealed a large left chest wall mass of 130-mm in size, and the patient was referred to our department. Tumor biopsy was performed under local anesthesia, and a diagnosis of schwannoma was made. Ten years previously, a 30-mm tumor had been noted in the left third intercostal space by a previous doctor, but follow-up had been interrupted owing to depressive disorder. Although we planned to perform intercostal artery embolization followed by chest wall tumor resection, the patient did not consent to surgery due to uncontrolled depression. After four months, she developed respiratory failure caused by compression due to an enlarged tumor and died. Autopsy also revealed a benign schwannoma with no malignant findings. Conclusions: Although schwannomas are benign tumors, there are some very rare cases in which they can become huge and life-threatening. Therefore, a benign tumor should not be neglected, and if surgery is not possible at the time of diagnosis, a regular follow up is necessary, in order not to miss the right timing for surgery. [ABSTRACT FROM AUTHOR]

Background: Intramuscular hemangioma (IMH) is an uncommon type of hemangioma, and primary IMH of the intercostal muscle is even rarer. Only a few reports describe IMH of the intercostal muscle, and there are no review articles on this topic. We report our experience with a younger female patient, who underwent video-assisted thoracic surgery with tumor resection and review the previous literatures of intercostal IMH. Case presentation: An asymptomatic 17-year-old woman showed a 29-mm, homogeneous, intrathoracic nodule in the left chest wall, attached to the second and third ribs on computed tomography. We performed exploratory thoracoscopic surgery and the tumor was excised without surrounding rib resection. Histopathologic examination of the surgical specimen revealed proliferation of small blood vessels within the surrounding striated muscle, leading to the diagnosis of intercostal IMH. The surgical margin was negative. The patient's postoperative course was uneventful, and there has been no evidence of recurrence for more than 18 months after surgery. Conclusions: We describe a case of intercostal IMH, who received tumor resection with clear excision margin without surrounding rib resection. Preoperative diagnosis is challenging due to its rarity, but intercostal IMH should be recalled as a differential diagnosis of chest wall tumor. Tumor excision without surrounding rib resection is acceptable for intercostal IMH, when there is a good possibility of achieving negative surgical margin. [ABSTRACT FROM AUTHOR]

Abstract Objective To evaluate the experience and effects of resection and reconstruction of 4 cases of huge tumors in the chest wall. Methods The clinical data of 4 patients with huge tumors in the chest wall from July 2015 to January 2020 were collected and analyzed. There were 2 males and 2 females.Chondrosarcoma was diagnosed in 2 cases, giant cell tumor was diagnosed in 1 case,and metastasis from breast cancer was diagnosed in 1 case.All patients underwent extensive tumor resection and had thoracic exposure after tumor resection.Two patients underwent reconstruction with mesh and titanium mesh, and the incision was closed directly.The third patient underwent reconstruction with mesh and latissimus dorsi flap,and the fourth patient underwent reconstruction with mesh,titanium mesh and latissimus dorsi flap. Result One patient had incision infection after operation,which resolved after debridement.All patients were followed up for 2–6 years, no tumor recurrence or metastasis was noted during follow-up.None of patients had abnormal breathing, dyspnea or other physical discomfort. Conclusion It is difficult to resect the huge tumors in the chest wall,and it is more reasonable and safer to choose a reconstruction method using mesh and titanium mesh.The latissimus dorsi flap can achieve good results in repairing soft tissue defects.Close perioperative management and multidisciplinary team discussions can help to achieve better curative effects.

Abstract Introduction Regardless of its rarity, and indolent clinical course, chest wall tumor places high morbidity and burden on patients especially when invasion to a neighboring structure is found. Once detected, surgery is the cornerstone for treatment of such etiology combined with chemo-radiotherapy. In order to maintain intact respiratory function, chest wall reconstruction must be performed whenever resection is done. Herein, we present a case of chest wall tumor that necessitated three ribs and part of hemidiaphragm resection and reconstruction with optimal post-operative results. Case presentation A 27-year-old male patient who had chest wall and diaphragm reconstruction for a chest wall Ewing sarcoma, using a single patch of expanded polytetrafluoroethylene (ePTFE) mesh with diaphragm implanted into the middle of the mesh. There were no immediate nor post-operative complications. The patient received post-operative radiotherapy with good functional and cosmetic results. Conclusion We present a novel and safe technique for combined chest wall and diaphragmatic resection following excision of an invading tumor while ensuring cosmesis and functionality of the ribcage as well as the diaphragm.

Objective: To evaluate the experience and effects of resection and reconstruction of 4 cases of huge tumors in the chest wall.Methods: The clinical data of 4 patients with huge tumors in the chest wall from July 2015 to January 2020 were collected and analyzed. There were 2 males and 2 females.Chondrosarcoma was diagnosed in 2 cases, giant cell tumor was diagnosed in 1 case,and metastasis from breast cancer was diagnosed in 1 case.All patients underwent extensive tumor resection and had thoracic exposure after tumor resection.Two patients underwent reconstruction with mesh and titanium mesh, and the incision was closed directly.The third patient underwent reconstruction with mesh and latissimus dorsi flap,and the fourth patient underwent reconstruction with mesh,titanium mesh and latissimus dorsi flap.Result: One patient had incision infection after operation,which resolved after debridement.All patients were followed up for 2-6 years, no tumor recurrence or metastasis was noted during follow-up.None of patients had abnormal breathing, dyspnea or other physical discomfort.Conclusion: It is difficult to resect the huge tumors in the chest wall,and it is more reasonable and safer to choose a reconstruction method using mesh and titanium mesh.The latissimus dorsi flap can achieve good results in repairing soft tissue defects.Close perioperative management and multidisciplinary team discussions can help to achieve better curative effects. [ABSTRACT FROM AUTHOR]

Introduction: Regardless of its rarity, and indolent clinical course, chest wall tumor places high morbidity and burden on patients especially when invasion to a neighboring structure is found. Once detected, surgery is the cornerstone for treatment of such etiology combined with chemo-radiotherapy. In order to maintain intact respiratory function, chest wall reconstruction must be performed whenever resection is done. Herein, we present a case of chest wall tumor that necessitated three ribs and part of hemidiaphragm resection and reconstruction with optimal post-operative results.Case Presentation: A 27-year-old male patient who had chest wall and diaphragm reconstruction for a chest wall Ewing sarcoma, using a single patch of expanded polytetrafluoroethylene (ePTFE) mesh with diaphragm implanted into the middle of the mesh. There were no immediate nor post-operative complications. The patient received post-operative radiotherapy with good functional and cosmetic results.Conclusion: We present a novel and safe technique for combined chest wall and diaphragmatic resection following excision of an invading tumor while ensuring cosmesis and functionality of the ribcage as well as the diaphragm. [ABSTRACT FROM AUTHOR]