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Biomedical subjects

J Easley

Publications and source records attributed to J Easley.

7 recordsLinked to original sources

Dental care and instrumentation.

Equine dentistry is not just carpentry work that involves floating the sharp enamel points off cheek teeth. Although floating is the most common and essential part of equine dentistry, every horse deserves a complete veterinary dental examination on a regular basis. Without such an examination, the equine practitioner can not determine the corrective procedures needed inside the horse's mouth. Dentistry for all ages is covered. Necessary instruments for a complete oral examination are also discussed.

Age Factors↗

Dental corrective procedures.

This article explains what is needed for successful extraction of diseased cheek teeth and how to realign the occlusal surface. Incisor teeth procedures and correcting abnormalities of cheek tooth crown wear are also discussed along with wolf and floating teeth.

Animals↗

The prognostic significance of post-irradiation biopsy results in patients with prostatic cancer.

To evaluate the prognostic significance of post-irradiation biopsy results in patients with prostatic cancer, we reviewed the records of 803 patients who had been treated with pelvic lymph node dissection, radioactive gold seed implantation and external beam irradiation. Of the patients 124 had 1 or more biopsies within 6 to 36 months after completion of radiotherapy when there was no evidence of local or distant recurrence of tumor. Patients were followed for a mean of 64 months (range 14 to 175 months) and received no other therapy before relapse. Over-all, 43 of these patients (35 per cent) had a positive biopsy result. The incidence of positive biopsy results correlated directly with the initial stage of the tumor, ranging from 22 per cent of stage B1N to 50 per cent of stage C1 lesions. However, biopsy results did not correlate with the grade of the tumor. Local recurrence and distant metastases were much more common among patients with a positive biopsy result (p equals 0.0006). Local recurrence developed in 58 per cent of the patients with a positive biopsy by 5 years and in 82 per cent by 10 years. Of those in whom all biopsies were negative only 18 per cent had local recurrence by 5 years and 32 per cent by 10 years. Biopsy results retained their prognostic significance even among the more favorable subset of patients whose pelvic lymph nodes were negative initially and those with a normal prostatic examination at biopsy. These results indicate that a post-irradiation prostate biopsy 6 to 36 months after completion of treatment can be used to determine the efficacy of a particular radiotherapeutic regimen as well as the success or failure of radiotherapy in an individual patient.

Aged↗

Malignant melanoma of the choroid: treatment with episcleral 198Au plaque and xenon-arc photocoagulation.

A method of treatment for posteriorly located malignant melanomas of the choroid is reviewed. Twenty-six patients have been treated either by radioactive gold (198Au) seed radiation plaque, alone or in combination with postradiation xenon-arc photocoagulation. Success, defined as the preservation of the globe with tumor ablated or regressed, was achieved in 92.3% of the treated eyes. These patients have been followed from 1 to 8.5 years, with an average follow-up of 44.84 months. Fifteen out of 26 patients (57.69%) had a final visual acuity of 20/50 or better. The main complications were radiation retinopathy (19.2%) and cystoid macular edema (19.2%). There were two enucleations, one after 29 months and one after 24 months following treatment.

Adult↗

Quality of survival in histiocytosis X: a Southwest Oncology Group study.

Sixty children survived for five years after the diagnosis of histiocytosis X. Serious disabilities were seen in 50% of children whose disease involved soft tissue and bone. Late deaths from pulmonary failure were associated with opportunistic infections in two cases. Future treatment approaches must weigh the risks of therapy-related complications against the probability of significant disability if the disease continues for many years.

Adolescent↗

Esthesioneuroblastoma metastatic to the trachea.

Esthesioneuroblastoma is an uncommon nasal neoplasm of neural crest origin, which is recognized for its propensity for local recurrence and distant dissemination by both lymphatic and hematogenous routes. Hematogenous spread occurs most frequently to the lungs and bones, but metastases to the liver, spleen, scalp, face, breast, adrenal, aorta, and ovary have been reported. We present a patient who developed metastatic esthesioneuroblastoma of the trachea 1 year after successful craniofacial resection of his primary tumor. The patient was treated by YAG laser resection of the metastatic tumor followed by radiotherapy. He was free of tracheal disease 1 year after treatment of the metastases.

Adult↗