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Chondrosarcoma of the chest wall: a clinical analysis.

PURPOSE: To discuss the management of different histological types of chondrosarcoma (CS) in the chest wall based on our clinical experience. METHODS: The subjects of this study were 16 patients with CS of the chest wall surgically treated by resection at our institute between September 1981 and August 2000. There were 11 men and 5 women ranging in age from 23 to 74 years. The median follow-up period was 54 months. The tumor was located only in the ribs in ten patients, in the sternum and ribs in three, only in the sternum in two, and in the ribs and spine in one. The surgical margins were wide in 12 patients and marginal in four. Reconstruction using Marlex mesh combined with moldable metal plates was carried out to prevent flail chest in nine patients, resection alone was performed in five patients, and a muscular flap was used in two patients. RESULTS: The survival rate was 86% after a median follow-up period of 54 months. One operative death (6.2%) occurred, and another required temporary tracheostomy. There were no infections in this series. Oncological outcome was clinically related to surgical margins and recurrence. The postoperative respiratory function test result was 10% less than the preoperative one. CONCLUSION: This series demonstrated that wide resection is the treatment of choice for chest wall CS and that Marlex mesh combined with metallic mouldable plates is a reliable technique for reconstruction.

Adult↗

Unusual behavior of foreign body granuloma that grew rapidly in the radiation field during radiation therapy.

We report our experience with two cases of a rapidly growing benign tumor in the radiation field despite radiotherapy. Case 1 was a 75-year-old man who was diagnosed as having postoperative recurrence of esophageal carcinoma in the right chest wall and underwent radiotherapy. A small nodule in the recurrent lesion grew to 20 mm in diameter at 70 Gy. The biopsy specimen was diagnosed as foreign body granuloma (FBG) with no malignancy. Case 2 was a 78-year-old woman who was diagnosed with axillary lymph node metastases of operated lung cancer and underwent lymphadenectomy and postoperative radiotherapy. No subcutaneous tumor was seen at the beginning of radiotherapy. However, a small nodule appeared in the radiation field at 40 Gy, and it had grown to 30 mm in diameter at 70 Gy. The biopsy specimen was diagnosed as FBG, showing granulation because of a remnant of surgical suture. Both FBGs disappeared within 3-6 months after radiotherapy. In cases in which a tumor has arisen from a site where surgical treatment had been performed and the tumor shows unnatural growth despite radiotherapy, FBG should be considered in the differential diagnosis.

Axilla↗

Tumorous phosphaturic osteomalacia. Report of a case associated with multiple hemangiomas of bone.

A case of osteomalacia associated with hypophosphatemia, decreased tubular reabsorption of phosphorus, hyperphosphaturia and renal glycosuria with associated bone pain and myopathy is presented. The patient was found to have multiple osteolytic lesions of bone which, on biopsy, proved to be sclerosing hemangiomas of bone. Treatment with oral phosphate and vitamin D effected a diminution in his symptoms of bone pain and muscular weakness. The literature on hypophosphatemic phosphaturic osteomalacia associated with mesenchymal tumors is reviewed. It has been suggested that certain mesenchymal tumors elaborate a yet to be identified humoral substance which decreased synthesis of 1 alpha, 25-dihydroxycholecalciferol causing decreased tubular reabsorption of phosphorus, hyperphosphaturia, hypophosphatemic osteomalacia and hypophosphatemic myopathy.

Adult↗

Surgical management and reconstruction of extensive chest wall malignancies.

Seven patients aged 8 to 77 years underwent massive resection for chest wall malignancies. Two had chondrosarcoma, one recurrent breast cancer, one malignant hemangioepithelioma, one embryonal cell sarcoma, one metastatic osteogenic sarcoma, and one lymphangiosarcoma. The smallest surgical defect was 17 by 19 cm, the largest 35 by 45 cm. Closure was done with Marlex mesh, full-thickness muscle flaps, or free island pectoralis or latissimus dorsi flaps. The rotation of myocutaneous island flaps (bilateral in two patients) greatly facilitated reconstruction. No infection, pulmonary compromise, or operative morbidity or mortality was encountered. The age of the patients and the location or size of the lesions were not significant factors. Designing a surgical strategy which provides adequate full-thickness margins and immediate reconstruction is critically important. Massive chest wall resection for malignancy should be pursued aggressively whenever these lesions are encountered. The operations can be performed safely and can be curative, and the benefits to patients in terms of comfort and prolonged survival justify this extensive surgery.

Adolescent↗

A transsternal approach to the upper thoracic vertebrae.

An anterior surgical approach to the upper thoracic vertebrae has been described. A T-shaped skin incision is used, with the horizontal limb 1 cm above the clavicle, and the vertical limb extending in the midline over the body of the sternum. A portion of the manubrium sterni, as well as the medial third of the clavicle, is resected; the avacular tissue plane between the carotid sheath laterally and the trachea and esophagus medially is developed to reach the prevertebral space. After surgery, immediate fusion is performed using the clavicle and manubrium. This procedure is well tolerated, and was associated with minimal morbidity and no mortality in a series of seven patients.

Humans↗

Computed tomographic scanning in children.

Computed tomographic scanning (CT) has been effectively utilized in evaluating the pediatric patient. Our experience with CT of the chest and abdomen in 19 patients has been described. The advantages offered by CT include: a unique anatomic display, the lack of morbidity, and an acceptable radiation dosage. Few technical disadvantages exist. Further application of this unique technique can be predicted.

Abdominal Neoplasms↗

Signet-ring chondrosarcoma: a new morphologic entity.

A 65-year-old, otherwise healthy white man presenting with an asymptomatic anterior chest wall mass diagnosed from a routine preoperative chest x-ray is reported. A fine needle aspirate of the mass was initially interpreted as a metastatic adenocarcinoma with prominent "signet-ring" features, but ultrastructural study of the cell block later suggested a chondrosarcoma. The resected surgical specimen confirmed the diagnosis of a grade 2 chondrosarcoma, with most of the tumor cells containing a large, clear, single vacuole shown to be lipid. The positive immunostaining for vimentin and S-100 as well as the ultrastructural appearance confirmed the diagnosis of a chondrosarcoma. Flow cytometric DNA analysis of the tumor on two separate occasions documented a very large aneuploid cell population (50% to 60%) which, when interpreted with the histologic appearance, suggested an aggressive tumor. This case illustrates the first published example of a "signet-ring" chondrosarcoma.

Aged↗

Metastases of the spinal cord from remote neoplasms. Study of five cases.

Five patients with acute or subacute myelopathy are reported in whom neuroradiologic imaging or open surgery showed an intrinsic spinal cord tumor. Histologic diagnosis was obtained either through direct spinal cord biopsy or after biopsy or removal of a former or concurrent intracranial metastasis. Carcinoma of "possible" gastrointestinal origin, oat-cell carcinoma, melanoma, and bronchogenic adenocarcinoma in two cases were demonstrated. The clinical course showed a devastating and irreversible deterioration of the neurological condition in all patients but one, who exhibited a mildly symptomatic disease. Our uncertainty with cases of intramedullary spinal cord metastasis resulted in a nonstandardized approach to these patients. The role of magnetic resonance imaging, the radiotherapeutic option, and the pertinent literature are briefly discussed.

Adenocarcinoma↗

Adenosquamous carcinoma of prostate.

A case is reported of metastatic adenosquamous carcinoma that developed in a patient one year after diagnosis of adenocarcinoma of the prostate by transurethral resection of the prostate (TURP). Prostatic origin of the neoplasm was proved by immunoperoxidase staining for prostatic acid phosphatase in the metastases as well as demonstration of both glandular and squamous differentiation in tumor within the prostate on repeat TURP. This change in tumor differentiation occurred despite the fact that the patient had received no estrogen or radiation. The metastases showed remarkable response when the patient later began diethylstilbestrol (DES) therapy.

Acid Phosphatase↗

Testicular metastasis from malignant schwannoma of chest wall.

Metastatic malignancy to the testes is unusual. Reports of testicular metastasis of neurogenic tumor are extremely rare. Only 28 cases with testicular metastasis of neurogenic tumor have been reported in the world literature. Cases of primary malignant schwannoma with testicular metastasis have not been reported previously. We present an unusual case of a thirty-seven-year-old man who had a malignant schwannoma of the chest wall with testicular metastasis.

Adult↗