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Biomedical subjects

R Finlayson

Publications and source records attributed to R Finlayson.

13 recordsLinked to original sources
PubMed1989

Malignant melanoma associated with human immunodeficiency virus infection in three homosexual men.

This report concerns three patients with human immunodeficiency virus (HIV) infection in whom malignant melanoma developed. One patient had metastatic malignant melanoma, one had iris melanoma, and one had a single skin melanoma. All three had lower absolute numbers of CD4+ cells than a control group, and the severity of their disease was inversely proportional to the absolute number of CD4+ cells. This report suggests an association between the immunodeficiency resulting from HIV infection and the development of malignant melanoma.

Acquired Immunodeficiency Syndrome↗
PubMed1989

Effects of ECT on prolactin, LH, FSH and testosterone in males with major depressive illness.

Fourteen males with major depressive illness (DSM-III) received a course of electroconvulsive therapy (ECT). Serum prolactin (PRL), luteinizing hormone (LH), follicle stimulating hormone (FSH) and testosterone (T), were measured 15 minutes before and 15 minutes after each treatment. The severity of depression was assessed with the Hamilton Rating Scale for Depression (HRSD) two to three days before the first and two to three days following the last treatment. Post-ECT levels of PRL and LH were significantly higher than pre-ECT levels across every treatment. Changes in FSH and testosterone were not significant. There were no relationships between hormone levels (first versus last ECT) and severity of depression, including sexual functioning. It is argued that the relatively greater increases of LH than FSH is due to an acute antidopaminergic action of ECT which acts selectively on the secretion of the former. The blunted testosterone response to the increase of gonadotropins may be due to ECT-induced hyperprolactinemia.

Adult↗
PubMed1989

Recognition and management of dysthymic disorder.

Dysthymic disorder, a chronic disturbance of mood, manifests as depressed mood for most of the day, more days than not, for at least two years. In children, dysthymia may present as irritable mood, and a duration of symptoms of only one year is required to make the diagnosis. By definition, there is no history of a major depressive disorder. Associated symptoms include poor appetite or overeating, insomnia or hypersomnia, poor concentration or difficulty making decisions, low energy, low self-esteem and feelings of hopelessness. Because of the chronic nature of this disorder, treatment requires an understanding approach and continuity of care.

Counseling↗
PubMed1985

Acute AIDS retrovirus infection. Definition of a clinical illness associated with seroconversion.

In the course of a prospective immunoepidemiological study of homosexual men in Sydney, seroconversion to the AIDS-associated retrovirus (ARV) was observed in 12 subjects. Review of the clinical files defined an acute infectious-mononucleosis-like illness in 11 subjects. The illness was of sudden onset, lasted from 3 to 14 days, and was associated with fevers, sweats, malaise, lethargy, anorexia, nausea, myalgia, arthralgia, headaches, sore throat, diarrhoea, generalised lymphadenopathy, a macular erythematous truncal eruption, and thrombocytopenia. In 1 subject an incubation period of 6 days after presumed exposure to ARV was determined and in 3 subjects seroconversion took place 19, 32, and 56 days after onset. Comparison of T-cell subsets before and after the acute illness showed inversion of T4:T8 ratio in 8 subjects, due to increased numbers of circulating T8+ cells. These findings support the notion of an acute clinical, immunological, and serological response to infection with ARV which should be considered in the differential diagnosis of mononucleosis-like syndromes in groups at high risk for the development of AIDS.

Acquired Immunodeficiency Syndrome↗
PubMed1976

Serum lipoproteins and atherosclerosis in animals.

The lipoproteins have been examined in more than 300 serum or plasma samples taken during life or at post mortem from a fairly wide range of mammals, birds and reptiles. The material, which was collected over a period of several years, was subjected to a limited range of lipid analyses, but all specimens were submitted to electrophoresis with paper or cellulose acetate membrane as supporting medium. The lipoprotein pattern in mammals appears to be basically similar to that in man, but there are wide variations in lipid concentrations; the highest levels being found in bears, seals and primates. High concentrations were also observed in many birds and a few reptiles, but the lipoprotein patterns in these vertebrates differ from those in mammals and are further greatly modified by oviparity. Semi-quantitative data on the degree of atherosclerosis were available on the animals that died. There was only a crude positive correlation between the intensity of the arterial disease and high serum beta-lipoprotein levels, and it was concluded that the latter are probably of only secondary importance in the development of spontaneous atherosclerosis in animals.

Animals↗
PubMedDate not supplied

Lipid in the Achilles tendon. A comparative study.

The tendo Achillis of man and its homologue from a fairly wide range of exotic animals, most of which had died in captivity from natural causes, have been examined for stainable lipid. Adiposity of the tendon was seen principally in man. Chondroid plaques, containing an abundance of intracellular triglycerides, are a normal feature in birds. Similar thickenings in the few reptiles examined were rich in phospholipids. Extracellular (perifibrous, interstitial) deposits of lipid with a high content of esterified cholesterol were found in more than 90% of human specimens, in 52% of other mammals and in 62.5% of birds included in the survey. In general, lipid insudation of tendons increased with age and was less intense in animals than man. Aetiological factors and the relationship of extracellular lipid deposits in tendons to those in the arterial wall and dura mater are considered.

Achilles Tendon↗