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Biomedical subjects

D Meikle

Publications and source records attributed to D Meikle.

22 records · Page 2Linked to original sources
PubMed1985

Interstitial irradiation for squamous carcinoma of the oral cavity.

Interstitial radiation delivered by iridium 192 implants was used to treat 38 patients with squamous carcinoma of the oral cavity. Thirty-six patients had either T1 or T2 tumours and no patient had palpable nodes at the time of implantation. Control of the primary tumour was achieved in all but 2 patients; these 2 were successfully treated by surgery. Fifteen patients (39%) went on to develop metastatic neck nodes. Nine were cured by radical neck dissection but the remaining 6 died of their disease. This gives a 5-year actuarial survival of 81%. Since all deaths occurred after the development of metastatic disease in the neck with control of the primary lesion, the evidence for and against prophylactic treatment of the neck lymphatics in clinically negative necks was reviewed. Prophylactic irradiation of the neck is probably preferable to any form of neck dissection but clear evidence that this improves long-term survival compared with careful follow-up and radical neck dissection for palpable nodes is still lacking.

Adult↗
PubMed1985

Aspergillosis of the maxillary sinuses in otherwise healthy patients.

There is an increasing number of reports of fungal infections of the nose and paranasal sinuses, due in part to increasing recognition of this condition in both healthy and immunologically depressed patients. Three cases of aspergillosis of the maxillary sinus are presented, one of which demonstrates bone destruction in an otherwise healthy individual. In diagnosing aspergillosis sinusitis it is important to submit material for microscopic examination, as cultures are often negative for fungus. Treatment consists of surgery to establish good aeration and drainage with the addition of antifungal drugs in selected cases.

Aged↗
PubMedDate not supplied

Reinnervation of skeletal muscle: a comparison of nerve implantation with neuromuscular pedicle transfer in an animal model.

In recent years there has been increased interest in the possibility of reinnervating paralyzed muscles, particularly the muscles of the face and of the larynx. There has been dispute over the relative effectiveness of different approaches. This study was undertaken to compare direct nerve implantation with the transfer of a neuromuscular pedicle using denervated strap muscles in a rabbit model. Reinnervation was carried out both immediately after denervation and after a delay period. Evidence of return of function was obtained by a method of long-term electromyographic monitoring and was confirmed electrically by evoked electromyography and muscle tension measurement and histologically by brain stem uptake of horseradish peroxidase. Both methods of nerve transfer produced consistently functional neuromuscular units, with physiological activity and muscle strength comparable with those in normally innervated controls. Return of function was apparent within 6 weeks of both nerve implantation and neuromuscular transfer; with this model, neither method showed a clear advantage over the other.

Animals↗