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Biomedical subjects

M P Banner

Publications and source records attributed to M P Banner.

13 recordsLinked to original sources
PubMed1991

Extracorporeal shock wave lithotripsy. Selection of patients and long-term complications.

The treatment of urolithiasis continues to evolve. This article has attempted to define for the radiologist those patients with upper urinary tract calculi best managed by ESWL monotherapy, by percutaneous methods, and by a combination of the two. In addition, many of the complications that accompany ESWL are made evident by radiologic and isotopic evaluation of patients after lithotripsy, which is yet another important role for the radiologist in the care of the patient with urinary calculi.

Contraindications↗
PubMed1979

Bilateral complete ureteral obstruction secondary to an abdominal aortic aneurysm with perianeurysmal fibrosis: diagnosis by computed tomography.

The sixteenth case of bilateral ureteral obstruction with anuria secondary to an abdominal aortic aneurysm with perianeurysmal fibrosis is presented. The details of this case clearly indicate the need for a combined vascular and urologic approach to patients with this disorder. A complete preoperative evaluation, including excretory urography, retrograde pyeloureterography, aortography and, when indicated, venacavography, may determine renal and vascular abnormalities that will allow a more definitive and successful management of this difficult problem. Furthermore, we believe that the use of computed tomography is an invaluable tool to define this retroperitoneal disease process and its precise relationship to the ureters.

Aged↗
PubMed1979

Applications of thin needle aspiration biopsy in urology.

Percutaneous thin needle aspiration biopsy was done on 34 patients for better staging of malignant disease by study of opacified lymph nodes, on 12 patients to eliminate the possibility of a malignant etiology of ureteral obstruction and on 7 patients with potentially metastatic soft tissue or visceral lesions. Ideally, a positive biopsy should change subsequent patient management and may eliminate the need for an exploratory operation. A significant number of falsely negative results occur and, for this reason, a negative biopsy should not affect subsequent patient management.

Biopsy, Needle↗
PubMed1979

Fibrous ureteral polyps.

Twelve cases of fibrous ureteral polyps are presented, illustrating their characteristic radiographic appearances. Two types--a long pedunculated mobile variety having a smooth surface, and a relatively shorter lesion covered with thin, finger-like projections--may be identified. Demonstration of the typical findings on excretory urography and/or retrograde ureterography establishes the diagnosis and permits surgical conservatism. Although no sex preponderance was noted, a wide sex-related age disparity was observed, the involved males being much younger than the females.

Adolescent↗
PubMed1979

Persistent gallbladder opacification after iopanoic acid cholecystography: diagnostic implications for acalculous cholecystitis.

Recent reports in the surgical literature state that persistent dense visualization of an otherwise normal-appearing gallbladder 36 hr after the administration of iopanoic acid is highly suggestive of acalculous cholecystitis. To determine the incidence and significance of persistent gallbladder visualization, 324 patients and 66 asymptomatic controls were evaluated. An equal percentage (about 10%) of both groups showed persistent dense gallbladder opacification 36 hr after iopanoic acid ingestion. The results do not support the contention that patients with acalculous cholecystitis can be identified by simply obtaining an additional abdominal radiograph the day after oral cholecystography.

Cholecystitis↗
PubMed1979

Ultrasonic assessment of renal transitional cell carcinoma: preliminary report.

The value of ultrasound in determining the etiology of nonopaque filling defects seen in the renal pelvis at intravenous urography is under study. The ultrasound findings in three patients with proven transitional cell carcinoma of the kidney were similar and consisted of separation of the central renal echo complex by a region of low-intensity echoes. This pattern is distinct from characteristically echogenic nonopaque renal calculi and anechoic hydronephrosis. Renal collecting system blood clots may have an echo pattern similar to collecting system tumors, but can usually be distinguished by their mobility and transitory nature. Further investigation into the specificity and sensitivity of the ultrasonic diagnosis of renal collecting system masses is underway.

Aged↗
PubMed1978

The normal seminal vesiculogram.

Vasoseminal vesiculography was performed on 69 asymptomatic men. Considerable variability in the appearance of the normal adult seminal tract was seen. On the left, the normal seminal vesicle averaged 5.6 cm long, 2.0 cm wide, and 0.6 cm in luminal diameter; on the right, it averaged 5.0 cm long, 2.0 cm wide, and 0.6 cm in luminal diameter. The normal ejaculatory duct averaged 16.0 mm long and 1.5 mm wide on the left and the same on the right. Criteria for normality are presented and the radiographic techniques reviewed.

Adult↗
PubMed1978

The inflammatory esophagogastric polyp and fold.

A radiographic finding, previously undescribed to our knowledge of a polypoid defect and prominent fold in the region of the esophagogastric junction was seen in 9 patients. We believe this represents a stage in the evolution of chronic esophagitis.

Adult↗
PubMed1978

Peritoneal mesothelioma.

Five cases of malignant peritoneal mesothelioma are reported. Its radiographic manifestations consisted of a desmoplastic mesenteric process with or without a localized mass displacing gastrointestinal structures. Appreciation of the nature of this tumor permits pathologic-radiologic correlation and an understanding of the radiographic changes. Though numerous conditions may produce similar findings, combining a history of asbestos exposure or chest radiograph findings of asbestosis with gastrointestinal findings of desomplasia should narrow the diagnostic possibilities.

Adult↗
PubMed1977

Renal cell carcinoma in a patient successfully treated for Wilms's tumor.

A woman who had received successful therapy for Wilm's tumor of one kidney in childhood developed renal cell carcinoma in the opposite kidney 21 years later. Such an occurrence has not been reported previously. A discussion of the differential diagnosis of calcified renal mass lesions and the angiographic differentiation between Wilms's tumor and renal cell carcinoma is presented. The possible relationship between these two primary renal tumors is considered.

Adenocarcinoma↗
PubMedDate not supplied

Interventional procedures in the upper urinary tract.

The introduction and acceptance of percutaneous nephrostomy as a safe and effective alternative to surgical nephrostomy served as the impetus for the development and expansion of an ever-increasing number of techniques that are encompassed by the term "interventional uroradiology." This article reviews many of the nonvascular interventional techniques that have proliferated during the past decade and that are currently used in the kidney, ureter, and perinephric space. The authors emphasize those procedures that are most frequently employed, as well as their own preferences and perspectives on these procedures.

Dilatation↗