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Biomedical subjects

M R Darling

Publications and source records attributed to M R Darling.

At least 37 records · Page 2Linked to original sources

A study of cholelithiasis during pregnancy and its relationship with age, parity, menarche, breast-feeding, dysmenorrhea, oral contraception and a maternal history of cholelithiasis.

We prospectively studied 512 consecutive women attending the antenatal clinic of the Rotunda Hospital of Dublin, Ireland, to assess the prevalence of gallstones among them and to describe the characteristics of those women found to be gallstone-positive (group 1), compared with the negative-control population (group 2). Real-time ultrasound scanning of the pelvic area was extended to the upper part of the abdomen. Cholelithiasis was detected in 23 patients. No substantial difference was found in parity of group 1 as compared with group 2. Also, early pregnancies, age at menarche and oral contraception did not have any significant difference between the two groups. However, we recorded a significantly higher prevalence of cholelithiasis in older women and in patients with dysmenorrhea. A positive trend was found in patients who had a history of previous breast-feeding and in women with a positive maternal history of symptomatic gallstones.

Adult↗

The influence of laparoscopy on infertility management.

In 1983, we reported on the role of laparoscopy in the Infertility Clinic at the Rotunda Hospital. We now present the current position and the effect of a laparoscopic investigation on subsequent patient management. At laparoscopy, 31% of patients had evidence of pelvic inflammatory disease and 5% had endometriosis. Management was altered in 39 (43%) patients. When reviewed, 14 (23%) patients had conceived, 5 patients without medical intervention and more patients with secondary infertility. The incidence of pelvic inflammatory disease is increased and of endometriosis is unchanged from the previous report.

Endometriosis↗

Effect of cannabis use on oral candidal carriage.

The effects of cigarette smoking on oral candidal carriage and candidosis have been well documented but few similar studies on cannabis smoking have appeared, therefore it was felt that such a study needed to be undertaken. In this investigation, the effect of cannabis smoking combined with methaqualone and tobacco on candidal prevalence, density and candidosis was examined in 55 users. Age and sex matched tobacco-smoking (n = 58) and non-smoking controls (n = 50) were examined similarly. The imprint culture technique was used for harvesting Candida. Results showed an increased prevalence and density of C. albicans in cannabis users while there was no apparent difference in the prevalence of candidiasis. However, two subjects presented with oral multifocal candidiasis.

Candida↗

Granulomatous cheilitis. A review and report of a case.

The Melkersson-Rosenthal syndrome (MRS) is a rare triad of unilateral facial paralysis, facial swelling, and fissured tongue; often only two of the components are manifest. The occurrence of swollen lips together with the characteristic microscopic appearance is called granulomatous cheilitis, which many believe is the oligosymptomatic form of MRS. This article reviews the literature on granulomatous cheilitis associated with MRS. An unusual case of a swollen upper lip together with a fissured tongue, strongly indicating the oligosymptomatic manifestations of MRS, is presented.

Adult↗

Colpotomy drainage of pelvic abscesses.

Retrospectively the records of 155 patients with an acute pelvic abscess who were treated by colpotomy drainage were studied. The more aggressive management, i.e. surgery, is to be preferred and the vaginal approach gives good results. The complications and morbidity in this series were very low and the mortality less than 1%. The procedure itself is simple and requires no special skill or great experience.

Abscess↗

Diffuse peritoneal sepsis associated with colpotomy drainage of pelvic abscess.

The incidence of and mortality from diffuse peritoneal sepsis associated with the vaginal drainage of pelvic abscesses were retrospectively studied at two hospitals. During the 16-year period from 1961 through 1977 at the University of Mississippi Medical Center, 50 patients underwent colpotomy drainage of pelvic abscesses, diffuse peritoneal sepsis occurred in 5 cases (10%), and 2 of these 5 patients died (40%). During the five-year period from 1972 through 1976 at Baragwanath Hospital, 298 patients underwent colpotomy drainage of pelvic abscess, diffuse peritoneal spesis occurred in 18 cases (6%), and 4 of these 18 patients died (22%). By combining the two series, a total of 348 cases of colpotomy drainage yielded 23 instances of diffuse peritoneal sepsis (6.5%0, with six deaths attributable to this condition (26%). The overall mortality for the 348 cases was 2% (seven deaths), and diffuse peritoneal sepsis was the cause of six of the seven fatalities. It is concluded that colpotomy drainage of pelvic abscesses is a safe and most effective procedure provided that the cases are well selected and the postoperative course is closely followed. Neglect of these basic principles may result in the development of diffuse peritoneal sepsis in a small but important group of patients.

Abscess↗

The management of female infertility by tubal microsurgical reconstruction: a ten year review.

The outcome of 368 consecutive tubal microsurgical operations excluding reversal of sterilizations, over a ten year period at the Rotunda Hospital, is presented. One hundred and ten conceptions resulted giving a pregnancy rate of 29.9% per procedure. The 'take home baby rate' was 24.2%, with miscarriage and ectopic pregnancy rates of 2.7% and 3% respectively.

Abortion, Spontaneous↗

Human kallikrein 13 expression in salivary gland tumors.

The human kallikrein 13 protein (hK13) is expressed in many normal tissues. Petraki et al have previously described presence of hK13 in salivary gland tissue, localized to duct epithelia and some acinar cells. The aim of this study was to determine whether hK13 is expressed in salivary gland tissues and salivary gland tumors (both benign and malignant), in order to compare normal with tumor tissues. Pleomorphic adenomas (PA), adenoid cystic carcinomas (ACC), polymorphous low grade adenocarcinomas (PLGA), acinic cell carcinomas (ACI), mucoepidermoid carcinomas (MEC) and adenocarcinomas not otherwise specified (ANOS) of both minor and major salivary glands were examined. The results of this study indicate that most salivary gland tumors show high levels of expression of hK13. Overall, staining in PA was significantly less than that seen in normal salivary gland tissue. PLGA, ACC and ANOS each stained significantly more than normal salivary gland tissue while MEC and ACI did not. Ductal cells and cells lining duct-like structures showed a higher intensity of staining than non-ductal cells in most tumors. Tumors which exhibited only non-ductal cells also exhibited cytoplasmic staining. In conclusion, we demonstrate the high expression of hK13 in several common salivary gland tumors.

Adenocarcinoma↗

Human kallikrein 3 (prostate specific antigen) and human kallikrein 5 expression in salivary gland tumors.

The human kallikrein 5 protein (hK5) is expressed in many normal tissues, most notably in skin, breast, salivary gland and esophagus. It has also been shown to be a potential biomarker for breast, ovarian and testicular cancer. Human kallikrein 3 (hK3; prostate-specific antigen) is the most useful marker for adenocarcinoma of the prostate gland. The aim of this study was to determine whether hK3 and hK5 are expressed in salivary gland tissues and salivary gland tumors (both benign and malignant), in order to compare normal with tumor tissues. Pleomorphic adenomas, adenoid cystic carcinomas, polymorphous low-grade adenocarcinomas, acinic cell carcinomas, mucoepidermoid carcinomas and adenocarcinomas not otherwise specified of both minor and major salivary glands were examined. The results of this study indicate that most salivary gland tumors do not show high levels of expression of hK5. Staining was most prominent in keratinizing epithelia in pleomorphic adenomas. hK3 is not expressed in salivary gland tumors.

Biomarkers, Tumor↗