Pediatric Urology

Lima, Mario; Manzoni, Gianantonio

doi:10.1007/978-88-470-5693-0

Cited by 4 publications

(3 citation statements)

References 13 publications

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“…The US, although simple to use, safe and acceptable by majority of patients, still remains real-time operator dependent, and in the light of new applications, requires experienced and skilled operator in whose hands often becomes the only exam needed to be able to direct the next phase of the diagnostic algorithm. Recent advances in US, incorporating a high resolution multi frequency transducers allows a meticulous study of the kidneys, its size, location and parenchymal structure, including a thorough assessment of the urinary bladder, perivesical space as well as pelvicalyceal and ureteral dilatation [21]. The use of US requires when possible a full bladder which is not distended to the extent that the individual has pain.…”

Section: Ultrasonographymentioning

confidence: 99%

“…This is possible because, the dilated collecting system can be deducted from the overall kidney volume. Also, the potential of creating rendered views will allow the comprehensive demonstration of complex pathology [21,35].…”

Section: Recent Innovations In the Field Of Ultrasonographymentioning

confidence: 99%

“…Furthermore, heavy T2-weighted MRI is well suited for imaging of the urinary bladder, since the organ is filled with fluid, thus improving bladder visualization. With the advent of diffusion weighted MRI, in which imaging and MRI signals are weighted toward the diffusion characteristics of water, evaluation of LUT neoplasms, particularly bladder cancer has been done [21].…”

Section: Magnetic Resonance Imaging In the Assessment Of Lutdmentioning

confidence: 99%

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Diagnostic Potential of Imaging Modalities in the Assessment of Lower Urinary Tract Dysfunctions

Frimpong¹,

Aboagye²,

Frimpong³

2020

Lower Urinary Tract Dysfunction - From Evidence to Clinical Practice

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Lower urinary tract dysfunction (LUTD) is common in both men and women, and the incidence and prevalence increases as people age. Commonly observed symptoms of LUTD include nocturia, urgency, urinary incontinence and frequency of voiding. Recognizing the key role accurate monitoring and evaluation of LUTD play in the day-today assessment of the condition, this chapter will explore the diagnostic capabilities of imaging modalities including MRI, ultrasound and fluoroscopy in assessing bladder wall thickness (BWT), detrusor wall thickness (DWT) and estimation of bladder weight both in real-time and static positions, and finally analyze their suitability as surrogates for bladder outlet obstruction (BOO) or detrusor overactivity (DO).

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Section: Ultrasonographymentioning

confidence: 99%

Section: Recent Innovations In the Field Of Ultrasonographymentioning

confidence: 99%

Section: Magnetic Resonance Imaging In the Assessment Of Lutdmentioning

confidence: 99%

See 1 more Smart Citation

Diagnostic Potential of Imaging Modalities in the Assessment of Lower Urinary Tract Dysfunctions

Frimpong¹,

Aboagye²,

Frimpong³

2020

Lower Urinary Tract Dysfunction - From Evidence to Clinical Practice

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Hydronephrosis and Pyonephrosis

Lorenzi

Fanti

Aringhieri

et al. 2016

Imaging Non-Traumatic Abdominal Emergencies in Pediatric Patients

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Urinary tract infections (UTIs) are a frequent clinical problem in infants and children, and they may develop into serious complications with long-term sequelae. Their prevalence varies according to age and sex: males are more inter-ested in the neonatal period and in the first year of age, while females are more involved after that time. The clinical outcome and the severity of UTIs depend on many risk factors including uri-nary tract malformations and dysfunctions, viru-lence and properties of the pathogen, host response to the infection, and promptness of diagnosis and management.Febrile UTIs usually are the result of a pyelo-nephritis, but more serious and uncommon pre-sentation such as renal abscess and a pyonephrosis may occur and they are clinically indistinguish-able from pyelonephritis. Various manifestations

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Comparative evaluation of the results of two-stage abdominal testicle reduction by Fowler–Stephens and a one-stage method with preservation of testicular vessels

Kagantsov,

Logval

2024

Urology reports (St. - Petersburg)

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BACKGROUND: Normal testicular function is only possible if it is located in the scrotum; if the testicle is undescended, fertility decreases and the risk of malignancy increases. AIM: Aim of the study is to compare the results of a one-stage bringing down of the abdominal testicle with preservation of the testicular vessels and a two-stage Fowler–Stephens operation regarding the risk of atrophy of the reduced gonad. MATERIALS AND METHODS: A total of 241 patients with a non-palpable testicle in the scrotum were observed, of which 125 (51.87%) patients the testicles were brought down with laparoscopic assistance. Three groups of patients were identified. The first group consisted of 105 (84%) patients who underwent testicular bringing down in two stages using the Fowler–Stephens technique with an interval of at least 6 months. The second group consisted of 20 (16%) patients whose underwent laparoscopic bringing down in one stage with preservation of the testicular vessels. The main criterion for effectiveness was the size of the gonad 6 months after surgery according to ultrasound. The third group included 116 (48.13%) patients with absent testicle. RESULTS: In the first group the average duration of the first stage of the operation was 19.07 [10; 65] minutes, second stage 48.59 [20; 160] minutes. A total of 117 testicles were brought down to the scrotum. 77 (65.81%) hypoplastic gonads were identified, of which in 6 (5.13%) cases the volume of the testicle increased after the first stage of the operation, 8 (6.84%) gonads decreased in volume and 1 (0.85%) testicle atrophied after completing the second stage. In 62 (52.30%) testicles the size did not change between the stages of the operation. Subsequently, these gonads remained hypoplastic. In 40 (34.19%) gonads there was no decrease in volume, but between the stages of intervention, an increase in the volume of the organ was noted in 3 (2.56%) cases, in 7 (5.98%) cases a decrease in the volume of the gonads, in 29 (24.79%) of patients, the size of the testicles did not change between the stages of the operation, 1 (0.85%) of the gonad atrophied after the second stage of the operation. In the second group the average duration of the operation was 42.59 [20; 100] minutes. A total of 22 gonads were brought down, of which 6 (27.27%) testicles were not hypoplastic and did not decrease in size after being brought down into the scrotum, 16 (72.73%) — were initially hypoplastic. Of these, 1 (4.55%) gonad increased in volume, 1 (4.55%) — decreased, 14 (63.64%) — remained unchanged after surgery. There was no testicular atrophy after descent. In patients of the third group, in 40 (34.48%) cases, the vessels ended blindly in the abdominal cavity. In 3 (2.59%) boys, testicular buds located in the abdominal cavity were removed. The vessels of the testicle went into the inguinal canal in 73 (62.93%) cases, of which in 34 (29.31%) — the vessels ended blindly and 39 (33.62%) testicular rudiments were found, which were removed. CONCLUSIONS: Bringing down of the testicle with preservation of its own vessels is more preferable compared to a two-stage operation due to the absence of the need for a second intervention on the gonad, a greater degree of preservation of testicular volume after its brought down and, in our case, the absence of gonadal atrophy after its descending.

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Pediatric Urology

Cited by 4 publications

References 13 publications

Diagnostic Potential of Imaging Modalities in the Assessment of Lower Urinary Tract Dysfunctions

Diagnostic Potential of Imaging Modalities in the Assessment of Lower Urinary Tract Dysfunctions

Hydronephrosis and Pyonephrosis

Comparative evaluation of the results of two-stage abdominal testicle reduction by Fowler–Stephens and a one-stage method with preservation of testicular vessels

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