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Biomedical subjects

P Cahill

Publications and source records attributed to P Cahill.

29 records · Page 2Linked to original sources
PubMed1985

Magnetic resonance imaging in the evaluation of leukocoria.

Leukocoria is an important clinical sign in ophthalmology. Conditions producing this white pupillary reflex must be differentiated from retinoblastoma to insure appropriate and timely treatment. Auxiliary diagnostic testing has been helpful in securing a clinical diagnosis. A new diagnostic modality, magnetic resonance imaging, provides similar morphologic information with the additional potential for biochemical characterization. A series consisting of 14 patients presenting with leukocoria as a result of retinoblastoma and simulating conditions was examined. The magnetic resonance imaging findings are discussed.

Child↗
PubMed1977

Vascular specificity in differentiating adrenal carcinoma from renal cell carcinoma.

Cases of adrenal and renal cell carcinoma were reviewed to evaluate vascular origin and architecture. All 9 cases of adrenal carcinoma showed fine, sparse neovascularity. Coarse or at least extensive, neovascularity was demonstrated in 40 of 45 cases of renal cell carcinoma. An analysis of the angiographic features correlated with the known anatomical variations will nearly always enable one to ascertain the origin of the tumor.

Adenocarcinoma↗
PubMed1976

Radiographic evaluation of renal excursion with respiration.

An unusual case stimulated investigation of radiographic changes in renal axis resulting from respiratory excursion. Prospective study of 20 "routine" excretory urograms revealed no statistically significant differences in renal axis whether the film was taken in full expiration or inspiration. Clinical implications and a review of pertinent literature are discussed.

Adult↗
PubMed1975

Long-term radiographic changes of the kidney following the ileal ureter operation.

A long-term retrospective evaluation was done on the preoperative and postoperative radiographic studies from patients who had undergone the ileal ureter operation. The comparative studies demonstrated decreased or stable pelviocaliceal dilatation, no measurable parenchymal loss, frequent high pressure vesico-ileac reflux and decreased number of renal calculi. Radiographically there was no evidence of renal morphological deterioration.

Follow-Up Studies↗
PubMedDate not supplied

MR appearance of radiation hepatitis.

The histopathologic changes of radiation hepatitis have been well described. The magnetic resonance (MR) appearance, however, has been described only in two case reports. We obtained serial MR scans of patients undergoing therapeutic irradiation for Hodgkins lymphoma to determine the time course of changes in signal intensity of the liver. We found an increased signal intensity of the irradiated portion of the liver on T2-weighted images. Changes first detected at 4 weeks following 3600 cGy to the abdomen returned to normal signal intensity within 60 days following completion of radiation therapy. One patient demonstrated a subtle increase in signal intensity of the irradiated region as early as 7 days after receiving 2000 cGy. Our results suggest that MR imaging is a useful noninvasive means of tracing the course of radiation hepatitis.

Adult↗
PubMedDate not supplied

Nephrotoxicity of epinephrine-assisted venography.

A retrospective study was performed to determined the nephrotoxicity of epinephrine-assisted venography (EAV). The results showed an increase in the serum level of creatinine (sCr) up to five days after EAV in 67% of patients, in comparison with 16% in patients who had other types of renal angiography. Microscopic examination of renal specimens from patients who had undergone EAV showed vacuolization of the epithelial cells of the proximal tubules. Risk factors for acute renal failure that have been described in the literature were not statistically significant in this study. These findings suggest that EAV is a more nephrotoxic procedure than renal angiography without EAV.

Adolescent↗
PubMedDate not supplied

Nurse managers in Australia: mentoring, leadership and career progression.

Identification of those leadership qualities which nurses believe led to their successful attainment of a nursing management position may help in understanding how to identify and foster leadership potential amongst nursing staff. This study asked nurse managers to indicate the important factors which influenced and facilitated their entry to management positions with a particular reference to the development of leadership characteristics. The results suggest that the leadership qualities we expect nurse managers to display evolve in a largely random way. Additionally, there is evidence that the development of leadership skills and attainment of management positions remains fragmented and random in nature. Because of this, individual nurse managers develop leadership skills almost by default using informal strategies to learn and develop. These findings should provide direction to educational providers and senior managers who seek to develop future leaders and managers.

Attitude of Health Personnel↗