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Biomedical subjects

A Calabia de Diego

Publications and source records attributed to A Calabia de Diego.

8 recordsLinked to original sources
PubMed2001

[Diverticuli of the female urethra. Diagnosis with transrectal ultrasonography].

OBJECTIVE: To analyze the role of transrectal ultrasound in the diagnosis of diverticula of the female urethra. METHODS/RESULTS: Transrectal ultrasound assessment was performed with a biplanar 5 MHz probe and translabial ultrasound was performed with a 7 MHz linear or 3.5 MHz sectorial transducer in 9 women suspected to have urethral diverticula. Cystourethrography was also performed in three patients. Eleven diverticula were found in these 9 patients. CONCLUSIONS: The incidence of diverticula of the female urethra has been reported to range from 0.5-6%. Diagnosis is confirmed by urethroscopy or imaging methods. Transrectal ultrasound is the method of choice in the assessment of urethral diverticulum.

Diverticulum↗
PubMed1999

[Intrascrotal lithiasis: an infrequent finding?].

OBJECTIVE: To report on 10 additional cases of intrascrotal calculi and briefly review the literature and pathogenesis of this benign lesion. METHODS: 10 patients that had consulted for diverse testicular conditions were evaluated by ultrasound using the 7.5 MHz probe. RESULTS: All patients were found to have a hydrocele of a larger or smaller volume with a mobile hyperechoic focus that produced acoustic shadows. CONCLUSIONS: The ultrasound finding of intrascrotal calculi is becoming increasingly more frequent. In our view, this is due to the fact that more sonographic studies are currently performed. The possibility to diagnose this condition obviates the need for subsequent explorations or surgery.

Genital Diseases, Male↗
PubMed1999

[The association of pelvic injuries with urethral ruptures].

INTRODUCTION: Pelvic trauma is associated in a high rate of patients with posterior urethral injuries. Blood at the urethral meatus or the inability to void are suspicious of urethral damage, but their absence do not exclude it. The attempt to pass a urethral catheter can worse a previous injury. METHOD: Retrospective study of 565 pelvic trauma along the last 5 years in the Hospital Valdecilla of Santander. We asses the urethral injury according Colapinto and McCallum classification and their relationship with the pelvic trauma, their outcome and diagnosis methodology. RESULTS: There was 60 urethral injuries among 565 pelvic trauma (10.61%); 15 (25%) grade I were associated with trauma of the posterior ring of the pelvis; 17 (28.3%) grade II were associated in 12 cases with fractures of the anterior ring and in 5 cases with severe fractures of the posterior ring; 28 (46.66%) grade III were associated in 26 cases with fractures of the anterior ring and 2 fracture-luxation of the posterior one. Against the suggest of avoiding the attempt of passing a urethral catheter, nearly all patients had suffered and attempt before the urologist were asked for. The deferred combined urethrography was the best method of urethral evaluation.

Extravasation of Diagnostic and Therapeutic Materi↗
PubMedDate not supplied

[Computerized axial tomography (CAT) and echography (US) of multilocular cystic nephroma].

OBJECTIVES: To determine the sensitivity and specificity of computed tomography and ultrasound in the diagnosis of multilocular cystic nephroma. METHODS: Four cases with a pathologically confirmed diagnosis of cystic nephroma were reviewed. RESULTS: These four cases had a predominantly cystic mass with thin walls located in the lower pole of the kidney. Both techniques had a sensitivity of 100% for renal masses but a low specificity since they failed to distinguish multilocular cystic nephroma from other cystic lesions. CONCLUSIONS: A presumptive diagnosis of multilocular cystic nephroma can be made on the findings of these noninvasive diagnostic imaging techniques. The definitive diagnosis, however, is by anatomopathology.

Adult↗
PubMedDate not supplied

[Testicular tumors. Echographic findings].

OBJECTIVES: To analyze the sensitivity and specificity of high resolution ultrasound in testicular tumors. METHODS: The study comprised 18 histologically confirmed testicular tumors. Patient ages ranged from 19 to 79 years (mean 41). The ultrasound and the anatomopathological findings were compared. RESULTS: 12 of 18 were primary testicular tumors: 5 classical seminomas, 1 spermatocytic seminoma, 1 anaplastic seminoma, 3 embryonary carcinoma, 1 mixed teratoma and 1 immature teratoma. Ultrasound detected all tumors, accounting for a sensitivity of 100%. All tumors were hypoechoic. Substantial differences were observed between the classical seminomas and the other tumor types: the echo structure was homogeneous in 60% of the classical seminomas vs 50% for the other tumor types; 80% of the former and none of the other tumor types had well- or partially well-defined tumor margins; and finally, cystic or hyperechoic areas were not observed in the classical seminomas but in 30% of the other tumors. CONCLUSION: High resolution ultrasound should be performed if testicular tumor is suspected. This technique will confirm or discard this condition and, furthermore, if the ultrasound findings show a solid, hypoechoic lesion, regardless of the degree of definition of the tumor margins, with no cystic or hyperechoic areas, a presumptive diagnosis of classical seminoma can be made.

Adult↗