Biomedical subjects
Publications and source records attributed to G Krueger.
Discontinuous vaginal discharge in two patients, caused by a carcinoma of the fallopian tube, was misinterpreted as urinary incontinence for months. Complexes of atypical glandular epithelia in the cervico-vaginal smears and detection of adnexal tumors indicated the correct diagnosis.
STUDY OBJECTIVE: To determine the efficacy and toxicity of intralesionally administered interferons in the treatment of condyloma acuminatum. DESIGN: Randomized, double-blind, and placebo-controlled study. SETTING: Outpatient clinics at university medical centers. PATIENTS: Seventy-nine patients with biopsy-proved condyloma acuminatum that was refractory to conventional therapy were enrolled in the study. INTERVENTIONS: Alpha-2b, alpha-nl-, and beta-interferons were used. One wart on each patients was injected three times per week for 4 weeks with either 1 x 10(6) units of interferon or placebo. MEASUREMENTS AND MAIN RESULTS: Forty-seven percent of warts injected with interferon resolved completely, compared with 22% of placebo-injected warts (P = 0.009). In addition, more recipients of interferon had a complete resolution of uninjected lesions. No differences in rates of response were noted among the different interferon groups. Approximately one third of interferon-injected warts recurred, compared with none of four placebo-injected warts. Intralesionally administered interferon was nontoxic and well tolerated, although transient pain on injection was observed frequently. CONCLUSIONS: Intralesional administration of each of these three interferons appears to be useful in treating condyloma acuminatum. However, the frequent recurrence of disease and the failure of many lesions to resolve indicate that different regimens, such as longer courses of therapy or different routes of administration, should be evaluated to maximize beneficial effects of interferon for treating this common sexually transmitted disease.
We have reviewed the biologic characteristics, immune responses, and diverse array of diseases occurring from Epstein-Barr virus infections in immune deficient patients. We have summarized possible roles of the virus in the risk groups for AIDS. Data is convincing that EBV is responsible for some of the cases of lymphadenomegaly and Burkitt-like, non-Hodgkin's lymphomas in patients with pre-AIDS and AIDS. A hypothesis has been proposed wherein EBV and other stimulants of B and T cells allow productive infection by the retrovirus and spread of HTLV-III throughout the helper T cell populations.
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The health status of 325 oil shale workers employed at the Anvil Points, Colorado, demonstration facility from 1948 to 1969 was evaluated. As a comparison population, 323 Utah coal miners frequency matched for age were studied. The prevalence of respiratory symptoms among oil shale workers who smoked were similar to the coal miners who smoked, although nonsmoking oil shale workers had fewer symptoms compared to nonsmoking coal workers. Four cases of skin cancers were found on the oil shale workers and eight cases in the controls. Similar numbers of nevi, telangiectasiae, possible pitch warts, pigment changes (solar/senile lentigo), and papillomata (seborrheic keratoses and skin tags) were seen in both groups, while actinic keratoses were more frequent in the oil shale workers. The prevalence of actinic keratoses was significantly associated with oil shale work after allowing for age, sun exposure, and other exposures. The prevalence of pulmonary cytology metaplasia was associated with years of production work in oil shale among both smokers and exsmokers. More of the oil shale workers had atypical cells in the urine, but the excess was mostly found among exsmokers. Although these workers had short-term and limited oil shale exposure work exposure, we recommend that medical surveillance of oil shale workers consider the skin, respiratory, and urinary systems for special observation.
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