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Biomedical subjects

F W Marsden

Publications and source records attributed to F W Marsden.

14 recordsLinked to original sources

Outcomes after multi-modality treatment of musculoskeletal tumours.

Outcomes of treatment of musculoskeletal tumours are evaluated for effectiveness of chemotherapy protocols, function obtained after surgery and survival after treatment. Quality of life achieved after multimodality treatment is dependent on a combination of all of these factors. Quality of life varies significantly along the treatment pathway, and continuously through the life of a patient. The patient's perception of outcome is based on the total effect of the disease and its treatment, rather than necessarily focussing on separate items of treatment. We have found that visual analogue scales can be used effectively to gauge the patient's perception of their quality of life. Such a method has shown that, overall, perceptions of quality of life seem to be better for those patients who have undergone successful limb salvage surgery when compared with those who have undergone amputation, but the differences are not as great as might be assumed.

Amputation, Surgical↗

Ulnar adamantinoma: en bloc excision and fibular osteoseptocutaneous free flap reconstruction.

Adamantinoma is a rare tumor of the appendicular skeleton, and only six cases of ulnar involvement have been reported. We present the case of a 58-year-old man who sustained a pathologic fracture of the proximal third of this right ulna. Biopsy at the time of intramedullary fixation revealed adamantinoma, and he was referred for treatment. There was no evidence of metastatic disease. At operation, the proximal 22 cm of ulna was excised en bloc and the defect reconstructed using a vascularized fibular osteoseptocutaneous flap. The postoperative course was uneventful, and the patient has remained free of disease with very good function 3 years later.

Bone Neoplasms↗

The functional evaluation of patients with primary malignant tumours about the knee treated by modular endoprosthetic replacement.

Between 1985 and 1992, 39 patients with primary malignant neoplasms about the knee presented to the musculoskeletal oncology service at the Royal Prince Alfred Hospital, Sydney. Twenty-eight patients met the criteria for limb salvage surgery and underwent reconstruction using a modular endoprosthetic replacement. Twenty surviving patients and the modular prosthesis were evaluated using the rating system adopted by the Musculoskeletal Tumour Society. Eighteen patients had resection of the distal femur and two had resection of the proximal tibia. The average follow up was 36.5 months (range 6-93). Overall the results were excellent in two patients, good in 16 and fair in two. The prosthesis was rated as excellent in 13, good in four, fair in two and poor in one. The complications encountered are discussed. The authors conclude that this prosthesis provides a satisfactory form of reconstruction following limb salvage surgery for tumours about the knee.

Adolescent↗

Rare malignant mid-femoral tumours in the first decade of life. Report of three cases with short literature review.

The most common femoral shaft tumours in children are eosinophilic granuloma and Ewing's sarcoma. Three children in the first decade of life with rare femoral shaft tumours are reported. There was one osteosarcoma and two chondrosarcomas. Radiographic differential diagnosis of the femoral shaft tumours and microscopic diagnostic difficulties of chondrosarcoma are discussed.

Age Factors↗

Osteosarcoma: then and now. A fifty year review at Royal Prince Alfred Hospital.

The purpose of this study is to review survival, treatment methods and criteria for diagnosis of osteosarcoma at Royal Prince Alfred Hospital during two periods in the last 50 years. The records of 22 patients diagnosed with osteosarcoma and nine with osteosarcoma in Paget's disease (from 1939 to 1950) were reviewed. All but one had died within three years. One patient survived six years. The second series was taken from 1983 to 1990. Forty-nine patients, including three with Paget's sarcoma, were studied. Probability of survival was estimated by actuarial analysis using Kaplan-Meier curves. Overall survival was estimated at 45%. Those patients who were free of metastatic disease at the conclusion of their treatment were estimated to have a probability of survival of 85%.

Adolescent↗

Case report 684. Infantile myofibromatosis.

A 4-year-old boy presented with a mass in the left groin. Radiographic examination demonstrated that the soft-tissue mass contained calcification and was encroaching on the left femur. The pre-biopsy clinico-radiographic diagnosis was that of some sort of sarcoma. The pathological findings identified the mass as infantile myofibromatosis. This case serves to stress the need for greater caution in the clinico-radiographic diagnosis of soft-tissue tumors.

Child, Preschool↗

IIB osteosarcoma. Current management, local control, and survival statistics--the Australian experience.

Current management of osteosarcoma at the authors' institution involves intraarterial induction chemotherapy using intermittent cycles of cisplatin and doxorubicin (Adriamycin), surgical resection with limb-sparing wherever possible, and adjuvant systemic chemotherapy (high-dose methotrexate with retrieval and doxorubicin). Twenty cases treated in this way between May 1983 and May 1989 are reviewed. There were 18 Stage IIB osteosarcomas and two Stage IIB malignant fibrous histiocytomas. Chemotherapeutic effect was evaluated in the resected tumors. There was little correlation between the clinical response to the induction chemotherapy and cell necrosis present in the resected tumor mass. Wide resection margins were achieved in 17 cases, a minimal margin in two, and a contaminated margin in one. Radiotherapy was used in these three cases where resection margin was in doubt. There were two local recurrences in these three cases. Four patients have died of their disease, and there was one treatment-related death. Overall probability of survival in this group of 20 patients has been expressed by the Kaplan-Meier method as 58%.

Adolescent↗

Mazabraud's syndrome: intramuscular myxoma associated with fibrous dysplasia of bone.

A 53 year old male with a large swelling on the medial aspect of his right thigh was referred with a presumptive diagnosis of soft tissue sarcoma. However, biopsy revealed intramuscular myxoma and X-rays and CT scans suggested fibrous dysplasia of adjacent bone. Angiography had shown an expanded, hypervascular, intramedullary lesion in the femur, and a large avascular soft tissue mass lying medially in the distal thigh. Fibrous dysplasia of the femur was confirmed on bone biopsy. Subsequently one large and two smaller intramuscular myxomata were excised, with an uneventful postoperative course. This case illustrates Mazabraud's syndrome: the rare association between benign intramuscular myxoma and fibrous dysplasia of bone.

Femur↗

Amputation: surgical technique and postoperative management.

The decision to amputate should be made with due consideration of the eventual rehabilitation of the patient. With this in mind, general principles of amputation surgery are outlined and specific levels of amputation are described. Early post-amputation management has advanced over the last two decades to make rehabilitation goals the more readily reached. These advances are discussed.

Aged↗

Developments in surgical oncology--past, present, and future trends.

The historical development of integrated treatment programs for locally advanced or aggressive cancers, for which the results of surgical excision or radiotherapy are unsatisfactory, is reviewed. Chemotherapy should be used first (induction chemotherapy), while tumour vasculature is intact; intra-arterial infusion gives a greater regional effect. Central residual tumour may be eradicated by subsequent radiotherapy and/or surgery. Regional induction chemotherapy is particularly useful in treating locally advanced stage III breast cancer, locally advanced head and neck cancer, gastric cancer, and locally advanced sarcomas and melanomas of the limbs. A team approach, involving surgical and medical oncologists, radiotherapists, immunologists, and others should improve the results in these patients.

Combined Modality Therapy↗

Embolization in the treatment of aneurysmal bone cysts.

Eight patients with aneurysmal bone cysts (ABC) were treated with selective embolization as an adjunct to curettage and bone graft in seven cases and as the definitive procedure in the remaining case. The age range was 5-23 years. Symptoms had been present for an average duration of 6 months. The lesions were located in the femur (three), the shoulder girdle (three), the tibia (one), and the pubis (one). Two patients had recurrent lesions, and six were primary. Average follow-up was 3 years (2-4.6 years). There were no recurrences and no complications related to embolization. All lesions ossified including the pubic lesion, which was treated with embolization alone. One patient with an ABC adjacent to the distal femoral physis had growth disturbance and a second who had an extensive acromial lesion had mild degenerative changes of the acromioclavicular joint.

Adolescent↗