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Файл:An Illustrated Guide to Pediatric Urology ( PDFDrive ).pdf
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- •Preface
- •Acknowledgments
- •Contents
- •1.1 Introduction
- •1.2 Normal Embryology
- •1.3 Abnormalities of the Kidney
- •1.3.1 Renal Agenesis
- •1.3.2 Renal Hypoplasia
- •1.3.3 Supernumerary Kidneys
- •1.3.5 Polycystic Kidney Disease
- •1.3.6 Simple (Solitary) Renal Cyst
- •1.3.7 Renal Fusion and Renal Ectopia
- •1.3.8 Horseshoe Kidney
- •1.3.9 Crossed Fused Renal Ectopia
- •1.4 Abnormalities of the Ureter
- •1.5 Abnormalities of the Bladder
- •1.6 Abnormalities of the Penis and Urethra in Males
- •1.7 Abnormalities of Female External Genitalia
- •Further Reading
- •2.1 Introduction
- •2.2 Pathophysiology
- •2.3 Etiology of Hydronephrosis
- •2.5 Clinical Features
- •2.6 Investigations and Diagnosis
- •2.7 Treatment
- •2.8 Antenatal Hydronephrosis
- •Further Reading
- •3.1 Introduction
- •3.2 Embryology
- •3.3 Pathophysiology
- •3.4 Etiology of PUJ Obstruction
- •3.5 Clinical Features
- •3.6 Diagnosis and Investigations
- •3.7 Management of Newborns with PUJ Obstruction
- •3.8 Treatment
- •3.9 Post-operative Complications and Follow-Up
- •Further Reading
- •4: Renal Tumors in Children
- •4.1 Introduction
- •4.2 Wilms’ Tumor
- •4.2.1 Introduction
- •4.2.2 Etiology
- •4.2.3 Histopathology
- •4.2.4 Nephroblastomatosis
- •4.2.5 Clinical Features
- •4.2.6 Risk Factors for Wilms’ Tumor
- •4.2.7 Staging of Wilms Tumor
- •4.2.8 Investigations
- •4.2.9 Prognosis and Complications of Wilms Tumor
- •4.2.10 Surgical Considerations
- •4.2.11 Surgical Complications
- •4.2.12 Prognosis and Outcome
- •4.2.13 Extrarenal Wilms’ Tumors
- •4.3 Mesoblastic Nephroma
- •4.3.1 Introduction
- •4.3.3 Epidemiology
- •4.3.5 Clinical Features
- •4.3.6 Investigations
- •4.3.7 Treatment and Prognosis
- •4.4 Clear Cell Sarcoma of the Kidney (CCSK)
- •4.4.1 Introduction
- •4.4.2 Pathophysiology
- •4.4.3 Clinical Features
- •4.4.4 Investigations
- •4.4.5 Histopathology
- •4.4.6 Treatment
- •4.4.7 Prognosis
- •4.5 Malignant Rhabdoid Tumor of the Kidney
- •4.5.1 Introduction
- •4.5.2 Etiology and Pathophysiology
- •4.5.3 Histologic Findings
- •4.5.4 Clinical Features
- •4.5.5 Investigations and Diagnosis
- •4.5.6 Treatment and Outcome
- •4.5.7 Mortality/Morbidity
- •4.6 Renal Cell Carcinoma in Children
- •4.6.1 Introduction
- •4.6.2 Histopathology
- •4.6.4 Staging
- •4.6.5 Clinical Features
- •4.6.6 Investigations
- •4.6.7 Management
- •4.6.8 Prognosis
- •4.7 Angiomyolipoma of the Kidney
- •4.7.1 Introduction
- •4.7.2 Histopathology
- •4.7.4 Clinical Features
- •4.7.5 Investigations
- •4.7.6 Treatment and Prognosis
- •4.8 Renal Lymphoma
- •4.8.1 Introduction
- •4.8.2 Etiology and Pathogenesis
- •4.8.3 Diagnosis
- •4.8.4 Clinical Features
- •4.8.5 Treatment and Prognosis
- •4.9 Ossifying Renal Tumor of Infancy
- •4.10 Metanephric Adenoma
- •4.10.1 Introduction
- •4.10.2 Histopathology
- •4.10.3 Diagnosis
- •4.10.4 Clinical Features
- •4.10.5 Treatment
- •4.11 Multilocular Cystic Renal Tumor
- •Further Reading
- •Wilms’ Tumor
- •Mesoblastic Nephroma
- •Renal Cell Carcinoma in Children
- •Angiomyolipoma of the Kidney
- •Renal Lymphoma
- •Ossifying Renal Tumor of Infancy
- •Metanephric Adenoma
- •Multilocular Cystic Renal Tumor
- •5.1 Introduction
- •5.2 Embryology
- •5.4 Histologic Findings
- •5.7 Associated Anomalies
- •5.8 Clinical Features
- •5.9 Investigations
- •5.10 Treatment
- •Further Reading
- •6: Congenital Ureteral Anomalies
- •6.1 Etiology
- •6.2 Clinical Features
- •6.3 Investigations and Diagnosis
- •6.4 Duplex (Duplicated) System
- •6.4.1 Introduction
- •6.4.3 Clinical Features
- •6.4.4 Investigations
- •6.4.5 Treatment and Prognosis
- •6.5 Ectopic Ureter
- •6.5.1 Introduction
- •6.5.3 Clinical Features
- •6.5.4 Diagnosis
- •6.5.5 Surgical Treatment
- •6.6 Ureterocele
- •6.6.1 Introduction
- •6.6.3 Clinical Features
- •6.6.4 Investigations and Diagnosis
- •6.6.5 Treatment
- •6.6.5.1 Surgical Interventions
- •6.8 Mega Ureter
- •Further Reading
- •7: Congenital Megaureter
- •7.1 Introduction
- •7.3 Etiology and Pathophysiology
- •7.4 Clinical Presentation
- •7.5 Investigations and Diagnosis
- •7.6 Treatment and Prognosis
- •7.7 Complications
- •Further Reading
- •8.1 Introduction
- •8.2 Pathophysiology
- •8.4 Etiology of VUR
- •8.5 Clinical Features
- •8.6 Investigations
- •8.7 Management
- •8.7.1 Medical Treatment of VUR
- •8.7.2 Antibiotics Used for Prophylaxis
- •8.7.3 Anticholinergics
- •8.7.4 Surveillance
- •8.8 Surgical Therapy of VUR
- •8.8.1 Indications for Surgical Interventions
- •8.8.2 Indications for Surgical Interventions Based on Age at Diagnosis and the Presence or Absence of Renal Lesions
- •8.8.3 Endoscopic Injection
- •8.8.4 Surgical Management
- •8.9 Mortality/Morbidity
- •Further Reading
- •9: Pediatric Urolithiasis
- •9.1 Introduction
- •9.2 Etiology
- •9.4 Clinical Features
- •9.5 Investigations
- •9.6 Complications of Urolithiasis
- •9.7 Management
- •Further Reading
- •10.1 Introduction
- •10.2 Embryology of Persistent Müllerian Duct Syndrome
- •10.3 Etiology and Inheritance of PMDS
- •10.5 Clinical Features
- •10.6 Treatment
- •10.7 Prognosis
- •Further Reading
- •11.1 Introduction
- •11.2 Physiology and Bladder Function
- •11.2.1 Micturition
- •11.3 Pathophysiological Changes of NBSD
- •11.4 Etiology and Clinical Features
- •11.5 Investigations and Diagnosis
- •11.7 Management
- •11.8 Clean Intermittent Catheterization
- •11.9 Anticholinergics
- •11.10 Botulinum Toxin Type A
- •11.11 Tricyclic Antidepressant Drugs
- •11.12 Surgical Management
- •Further Reading
- •12.1 Introduction
- •12.2 Etiology
- •12.3 Pathophysiology
- •12.4 Clinical Features
- •12.5 Investigations and Diagnosis
- •12.6 Management
- •Further Reading
- •13.1 Introduction
- •13.2 Embryology
- •13.3 Epispadias
- •13.3.1 Introduction
- •13.3.2 Etiology
- •13.3.4 Treatment
- •13.3.6 Female Epispadias
- •13.3.7 Surgical Repair of Female Epispadias
- •13.3.8 Prognosis
- •13.4 Bladder Exstrophy
- •13.4.1 Introduction
- •13.4.2 Associated Anomalies
- •13.4.3 Principles of Surgical Management of Bladder Exstrophy
- •13.4.4 Evaluation and Management
- •13.5 Cloacal Exstrophy
- •13.5.1 Introduction
- •13.5.2 Skeletal Changes in Cloacal Exstrophy
- •13.5.3 Etiology and Pathogenesis
- •13.5.4 Prenatal Diagnosis
- •13.5.5 Associated Anomalies
- •13.5.8 Surgical Reconstruction
- •13.5.9 Management of Urinary Incontinence
- •13.5.10 Prognosis
- •13.5.11 Complications
- •Further Reading
- •14.1 Introduction
- •14.2 Etiology
- •14.3 Clinical Features
- •14.4 Associated Anomalies
- •14.5 Diagnosis
- •14.6 Treatment and Prognosis
- •Further Reading
- •15: Cloacal Anomalies
- •15.1 Introduction
- •15.2 Associated Anomalies
- •15.4 Clinical Features
- •15.5 Investigations
- •Further Reading
- •16: Urachal Remnants
- •16.1 Introduction
- •16.2 Embryology
- •16.4 Clinical Features
- •16.5 Tumors and Urachal Remnants
- •16.6 Management
- •Further Reading
- •17: Inguinal Hernias and Hydroceles
- •17.1 Introduction
- •17.2 Inguinal Hernia
- •17.2.1 Incidence
- •17.2.2 Etiology
- •17.2.3 Clinical Features
- •17.2.4 Variants of Hernia
- •17.2.6 Treatment
- •17.2.7 Complications of Inguinal Herniotomy
- •17.3 Hydrocele
- •17.3.1 Embryology
- •17.3.3 Treatment
- •Further Reading
- •18: Cloacal Exstrophy
- •18.1 Introduction
- •18.2 Etiology and Pathogenesis
- •18.3 Associated Anomalies
- •18.4 Clinical Features and Management
- •Further Reading
- •19: Posterior Urethral Valve
- •19.1 Introduction
- •19.2 Embryology
- •19.3 Pathophysiology
- •19.5 Clinical Features
- •19.6 Investigations and Diagnosis
- •19.7 Management
- •19.8 Medications Used in Patients with PUV
- •19.10 Long-Term Outcomes
- •19.10.3 Bladder Dysfunction
- •19.10.4 Renal Transplantation
- •19.10.5 Fertility
- •Further Reading
- •20.1 Introduction
- •20.2 Embryology
- •20.4 Clinical Features
- •20.5 Investigations
- •20.6 Treatment
- •20.7 The Müllerian Duct Cyst
- •Further Reading
- •21: Hypospadias
- •21.1 Introduction
- •21.2 Effects of Hypospadias
- •21.3 Embryology
- •21.4 Etiology of Hypospadias
- •21.5 Associated Anomalies
- •21.7 Clinical Features of Hypospadias
- •21.8 Treatment
- •21.9 Urinary Diversion
- •21.10 Postoperative Complications
- •Further Reading
- •22: Male Circumcision
- •22.1 Introduction
- •22.2 Anatomy and Pathophysiology
- •22.3 History of Circumcision
- •22.4 Pain Management
- •22.5 Indications for Circumcision
- •22.6 Contraindications to Circumcision
- •22.7 Surgical Procedure
- •22.8 Complications of Circumcision
- •Further Reading
- •23: Priapism in Children
- •23.1 Introduction
- •23.2 Pathophysiology
- •23.3 Etiology
- •23.5 Clinical Features
- •23.6 Investigations
- •23.7 Management
- •23.8 Prognosis
- •23.9 Priapism and Sickle Cell Disease
- •23.9.1 Introduction
- •23.9.2 Epidemiology
- •23.9.4 Pathophysiology
- •23.9.5 Clinical Features
- •23.9.6 Treatment
- •23.9.7 Prevention of Stuttering Priapism
- •23.9.8 Complications of Priapism and Prognosis
- •Further Reading
- •24.1 Introduction
- •24.2 Embryology and Normal Testicular Development and Descent
- •24.4 Causes of Undescended Testes and Risk Factors
- •24.5 Histopathology
- •24.7 Clinical Features and Diagnosis
- •24.8 Treatment
- •24.8.1 Success of Surgical Treatment
- •24.9 Complications of Orchidopexy
- •24.10 Infertility and Undescended Testes
- •24.11 Undescended Testes and the Risk of Cancer
- •Further Reading
- •25: Varicocele
- •25.1 Introduction
- •25.2 Etiology
- •25.3 Pathophysiology
- •25.4 Grading of Varicoceles
- •25.5 Clinical Features
- •25.6 Diagnosis
- •25.7 Treatment
- •25.8 Postoperative Complications
- •25.9 Prognosis
- •Further Reading
- •26.1 Introduction
- •26.2 Etiology and Risk Factors
- •26.3 Diagnosis
- •26.4 Intermittent Testicular Torsion
- •26.6 Effects of Testicular Torsion
- •26.7 Clinical Features
- •26.8 Treatment
- •26.9.1 Introduction
- •26.9.2 Etiology of Extravaginal Torsion
- •26.9.3 Clinical Features
- •26.9.4 Treatment
- •26.10 Torsion of the Testicular or Epididymal Appendage
- •26.10.1 Introduction
- •26.10.2 Embryology
- •26.10.3 Clinical Features
- •26.10.4 Investigations and Treatment
- •Further Reading
- •27: Testicular Tumors in Children
- •27.1 Introduction
- •27.4 Etiology of Testicular Tumors
- •27.5 Clinical Features
- •27.6 Staging
- •27.6.1 Regional Lymph Node Staging
- •27.7 Investigations
- •27.8 Treatment
- •27.9 Yolk Sac Tumor
- •27.10 Teratoma
- •27.11 Mixed Germ Cell Tumor
- •27.12 Stromal Tumors
- •27.13 Simple Testicular Cyst
- •27.14 Epidermoid Cysts
- •27.15 Testicular Microlithiasis (TM)
- •27.16 Gonadoblastoma
- •27.17 Cystic Dysplasia of the Testes
- •27.18 Leukemia and Lymphoma
- •27.19 Paratesticular Rhabdomyosarcoma
- •27.20 Prognosis and Outcome
- •Further Reading
- •28: Splenogonadal Fusion
- •28.1 Introduction
- •28.2 Etiology
- •28.4 Associated Anomalies
- •28.5 Clinical Features
- •28.6 Investigations
- •28.7 Treatment
- •Further Reading
- •29: Acute Scrotum
- •29.1 Introduction
- •29.2 Torsion of Testes
- •29.2.1 Introduction
- •29.2.3 Etiology
- •29.2.4 Clinical Features
- •29.2.5 Effects of Torsion of Testes
- •29.2.6 Investigations
- •29.2.7 Treatment
- •29.3 Torsion of the Testicular or Epididymal Appendage
- •29.3.1 Introduction
- •29.3.2 Embryology
- •29.3.3 Clinical Features
- •29.3.4 Investigations and Treatment
- •29.4.1 Introduction
- •29.4.2 Etiology
- •29.4.3 Clinical Features
- •29.4.4 Investigations and Treatment
- •29.5 Idiopathic Scrotal Edema
- •29.6 Testicular Trauma
- •29.7 Other Causes of Acute Scrotum
- •29.8 Splenogonadal Fusion
- •Further Reading
- •30.1 Introduction
- •30.2 Imperforate Hymen
- •30.3 Vaginal Atresia
- •30.5 Associated Anomalies
- •30.6 Embryology
- •30.7 Clinical Features
- •30.8 Investigations
- •30.9 Management
- •Further Reading
- •31: Disorders of Sexual Development
- •31.1 Introduction
- •31.2 Embryology
- •31.3 Sexual and Gonadal Differentiation
- •31.5 Evaluation of a Newborn with DSD
- •31.6 Diagnosis and Investigations
- •31.7 Management of Patients with DSD
- •31.8 Surgical Corrections of DSD
- •31.9 Congenital Adrenal Hyperplasia (CAH)
- •31.10 Androgen Insensitivity Syndrome (Testicular Feminization Syndrome)
- •31.13 Gonadal Dysgenesis
- •31.15 Ovotestis Disorders of Sexual Development
- •31.16 Other Rare Disorders of Sexual Development
- •Further Reading
- •Index
348 |
13 Bladder Exstrophy-Epispadias Complex |
|
|
Figs. 13.24, 13.25, 13.26, and 13.27 Clinical operative photographs showing repair of glandular epispadias. Note the good size and normal shape of the penis
–The tubularized urethra is usually shorter than the actual corpora, resulting in hypospadias which necessitate further urethroplasty.
•Postoperatively, the patients undergo yearly gravity cystograms to measure bladder capacity. Bladder augmentation may be necessary for those with small bladder capacity.
•Procedures to improve continence are usually done at 5–9 years of age.
–The Young-Dees-Leadbetter bladder neck reconstruction.
–Bladder neck transection, bladder augmentation, and continent urinary diversion can be done simultaneously in those with small bladder capacity.
13.3.6 Female Epispadias
•Female epispadias is extremely rare.
•The reported incidence is approximately 1 of 500,000–600,000 live girls.
•Epispadias in females is commonly associated with separated pubic bones.
•Female epispadias is characterized by:
–A bifid clitoris.
–Diastases of the corpora cavernosa.
–Flattening of the mons.
–Separation of the labia.
•The diagnosis of epispadias in females is always delayed as the defect may not be obvious.
•The bladder neck is almost always involved in these patients leading to urinary incontinence.
13.3 Epispadias |
349 |
|
|
Figs. 13.28, 13.29, and 13.30 Clinical operative photographs showing repair of epispadias after closure of bladder extrohy. Note the scar of closure of the bladder extrophy and the normal size and shape of the penis
•Repair of female epispadias is much simpler than male epispadias.
•The two parts of the clitoris are sutured together and the urethra is positioned in its normal place.
•The prognosis of these patients is good and fertility is not affected.
•Like male epispadias patients, if the bladder template does not grow after bladder neck reconstruction, the patient may require bladder neck transection, bladder augmentation, and continent urinary diversion.
•Bilateral iliac osteotomies may be necessary to correct the associated pubic diastasis.
13.3.7Surgical Repair of Female Epispadias
•Repair of isolated female epispadias is generally done along with Young-Dees-Leadbetter bladder neck reconstruction, monsplasty, and clitoroplasty.
13.3.8 Prognosis
•The prognosis for male patients with epispadias depends on the extent of the defect.
•Most patients with mild degrees of epispadias do well.
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