Biomedical subjects
Publications and source records attributed to D F Mobley.
7S and 11S IgA (immunoglobulin A) levels in split ejaculates of 17 patients with chronic prostatis and 16 normal subjects were studied by the Hanson radial immunogel filtration method. The results suggest at least in certain cases of prostatitis increase of IgA level involves elevation of both types of IgA, and they are mainly of prostatic origin.
As a preliminary investigation for the clinical application of immunoelectrophoresis of ejaculate in the diagnosis of male reproductive organ diseases, variations of immunoelectrophoretic patterns in normal subjects due to the difference of antigenicity between split ejaculates were demonstrated with rabbit antisera. Fresh samples and antisera against them gave larger numbers of and more intense precipitin lines than in stored samples. The precipitin lines developed by acid phosphatase were most remarkable between first portion of ejaculate (F1) and anti-F1, whereas the line caused by protein from the seminal vesicle was most prominent between the remainder of the ejaculate following F1 (F2) and anti-F2.
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The phenomenon of ureteral regeneration has been of interest to clinicians, anatomists, and physiologists for many years. The object of this investigation was to study the regeneration of a long pedicle graft of ureter. Regeneration of the pedicle graft over a stent took place in 4 to 5 weeks. At sacrifice 8 to 10 months postoperatively, 7 of 10 operations were completely successful with no evidence of hydronephrosis, obstruction, or pyelonephritis. Two animals exhibited slight dilation of the upper tracts, and one operation was a failure. It is evident from this study that a strip of ureter removed from the ureteral artery will regenerate over a stent in 4 to 5 weeks if the blood supply from the adjacent adventitia is left intact.
A case is presented of renal cell carcinoma metastatic to the urinary bladder. The rarity of this lesion makes it worthy of report.
The clinical effect of phenoxybenzamine, an alpha blocking agent, was studied in a series of 37 patients with varying degrees of neurogenic vesical dysfunction. An over-all 78 per cent success rate was achieved, with an 86 per cent success rate in patients with reflex neurogenic bladder. Phenoxybenzamine demonstrates excellent results in patients with neurovesical dysnfunction who are unable to empty their bladders by other means. The drug demonstrated effectiveness regardless of the level of the lesion, cystometric findings or duration of neurogenic vesical disease.
The clinical necessities of replacing all or part of the diseased or destroyed ureter have plagued surgeons for many years. In the past seventy years more than 100 surgical techniques have been described for ureteral replacement. Methods of replacement have fallen into four categories; nonbiologic substitutes, pedicle grafts, free grafts, and implantation and diversion. This review discusses the history and present status, and presents a look to the future in the surgery of ureteral replacement.
A case is reported in which the patient had classic findings of an abdominal aortic aneurysm, including a pulsatile abdominal mass, curvilinear aortic calcification, and anterolateral deviation of the left ureter. These findings were subsequently demonstrated at surgery to be due to metastatic nodes from prostatic carcinoma. Data presented indicate that further diagnostic studies may be in order in unusual cases in which patients are suspected of having abdominal aortic aneurysm. This is especially true if the patient is known to have another condition such as carcinoma which may mimic aneurysm with metastatic periaortic lymph nodes. Aortography and/or lymphangiography occasionally have their place in selected patients, and this is discussed.
The bacterial flora of semen from normal men has been studied. Positive cultures were obtained in 45 per cent of these individuals but only in smally colony counts of non-pathogenic bacteria. The seminal flora of patients with bacterial prostatitis was then studied. Excellent correlations have been noted between cultures of prostatic secretions and semen. Semen cultures will almost invariably be diagnostic in patients with bacterial prostatis. This technique has definite usefulness in selected patients in whom it is otherwise difficult to establish a diagnosis of bacterial prostatis.
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