Jose Cortez MD George Seremetis MD Danielle Sweeney MD
Transcription
Jose Cortez MD George Seremetis MD Danielle Sweeney MD
Jose Cortez MD George Seremetis MD Danielle Sweeney MD Amanda Hodge CPNP Sarah Bushner CPNP Doctor’s Line 512-474-6642 Page Operator 512-406-3112 Common Problems In Pediatric Practice Penile Problems and Hypospadias Scrotal Pain,Swellings and Undescended Testes Urine Infections, Voiding Dysfunction and Incontinence Hydronephrosis, Obstructions and Ureteral Reflux Complex Problems not covered today Ano-Rectal Malformations Cystic Kidneys Spina Bifida and Spinal Cord disorders Disorders of Sexual differentiation Exstrophy Urogenital Sinus/Vaginal and Uterine Anomalies RhabdoMyoSarcoma/Wilms Tumor/Gonadal Tumors Genital Problems in Boys Outline Foreskin problems Circumcision problems Penile Angulation/Chordee Concealed Penis Hypospadias Foreskin Normal Development Normal and Supple No Cicatrix Normal Physiologic Adhesions Ease of Retractibility Increases with Age 90% can be retracted by Age 3 years Boys > 4-5 years and/or those with Balanitis and/or Cicatrix Treat with .05% Betamethasone Cream t.i.d. x 4 wks Consider Circ or Preputioplasty if Recurrent Problems Early Forceful Retraction is NOT recommended True Congenital Phimosis Foreskin Problems cicatrix Para-Phimosis Secondary Phimosis Rx: Manual Reduction Rx: Betamethasone Balanitis Bacterial Colonization/UTI BXO-Balanitis Xerotica Obliterans Consider Circumcision or Preputioplasty for recurrent problems Rx: Antifungal Circumcision Problems Newborn Circ Post-Circ Adhesions Recurrent Phimosis Buried/Trapped Penis Penile Inclusion Cysts Skin Chordee/Tethering Meatal Stenosis Early Post-Circumcision Retraction is Recommended! Circ Problems Circ Revision Coronal adhesions Dense Adhesions Buried Penis Secondary Phimosis Inclusion Cyst Meatal Stenosis Urethromeatoplasty Meatal Stenosis Meatotomy Meatoplasty Slit-like Meatus Penile Angulation/Chordee With or Without Hypospadias Skin Tethering/Torsion Corporal Disproportion Urethral Hypoplasia Hypospadias Associated Fibrous Chordee Correction of Penile Angulation Dorso-lateral Curve >30 degrees Plication Saline Erection after De-gloving Correction Confirmed Corporal Dissection Functional Result Concealed Penis Post-Circumcision Scarring Mega-Prepuce/Obstructive Phimosis Peno-Scrotal Webbing Prominent Pre-Pubic Fat Normal ! Retracts with normal Circ Margin Normal ! Concealed Penis Repair MegaPrepuce Floating Junction/Uncircumcised Hypospadias Exam Points Identify by Meatal Position Dorsal Hood, Penile Angulation, Scrotal development Absence of Palpable Gonads Should Prompt Urgent Evaluation for Possible Disorder of Sexual Differentiation (DSD) Imaging not usually needed for most Referral in the first few months Timing of Surgery - Ideally between 6 - 12 months Mega-Meatus Intact Prepuce Hypospadias **Retract Foreskin Completely Before Circ !** Basic Goals of Hypospadias Repair Correct Curvature Create a Urethral Conduit Create Meatus Form Glans Skin Re-Positioning over Shaft • Circumcision or Reconstruct Foreskin • Interpose Flap between Urethra and Skin Most One-Stage Repairs • > 95% success Urethral Tube Created from Foreskin Dorsal Hooded Penile Skin Urethral Meatus at Scrotum after Excision of HypoPlastic Urethra Island Tube Island Flap Staged Repair for Complex Hypospadias Buccal Graft from Inner Lip 3 wks later 7 months later Distal Repairs One-Stage / 1-2 Hours / Outpatient General Anesthesia/Caudal Block Meatal Advancement Tubularization Flaps Functional and Cosmetic Proximal repairs Usually Severe Ventral Curvature Deficient Preputial and Penile Skin Small penis/glans Associated Scrotal Anomalies One versus Two Stage Repair 3 - 6 hour surgery More Complex/More Potential for Post-op Problems Single Stage Proximal Repairs Flaps with blood supply attached Island Onlay-Single and Double Tube Flaps TPIF Koyanagi Two-Stage Repairs Usually for Scrotal/Perineal Scrotal Hypo’s with Small Penis and little skin to work with Curvature Correction-Dermal or Tunica Vaginalis Grafting Repositoning of Preputial Skin to Ventrum to be tubularized as a second Stage Augment with Free Graft ( Buccal ) Wait 6 months then proceed with Tubularization to create Urethral Conduit Complications of Hypospadias Repair Bleeding and or Hematoma Wound Infection/Separation/impaired healing Fistula Stenosis Diverticulum Recurrent Chordee Intra-Urethral Hair Growth Acute Scrotum Acute Scrotal Pain, Tenderness, Redness or Swelling at any Age Requires Prompt Evaluation & Differential Diagnosis Consider Spermatic Cord Torsion Testis torsion is a Surgical Emergency and requires Immediate Surgical Exploration Irreversible Ischemic Injury may occur as soon as 4 hours after onset Other Diagnoses Can be indistinguishable from Spermatic Cord Torsion Torsion of Appendix Testis Epididymitis/Orchitis/UTI Acute Hydrocele or Inguinal Hernia Varicocele/Spermatocele Vasculitis of Cord/Testis-Hoenoch-Schonlein Purpura Scrotal Wall Edema/Trauma/ Insect Bites Tumors of the Testis / Paratesticular Referred Pain Exam Points Size, Shape,Consistency Position Cord Check Cremasteric Reflex Check Asymptomatic Side First Spermatic Cord Torsion likely if: Peri-Pubertal and Pubertal Boys (infants less frequent) Pain- Usually Abrupt Onset, Awaken from Sleep, or associated Trauma, Athletics Nausea, Vomiting, Ipsi-lateral Abdominal Pain Previous Episodes of Abrupt Onset Severe Self-Limited Pain/Swelling Dysuria and/or voiding symptoms usually absent Exam Findings that Suggest Spermatic Cord Torsion Torsion in an Adolescent *Absence of Cremasteric Reflex* Transverse Lie Bell-Clapper Deformity Bell-Clapper Abnormal Testicular Position-Tranverse Lie Torsion in an Infant Firm, Hard, Tender Testis Anatomic Landmarks- indistinguishable Torsion of Testicular/Epididymal Appendages Gradual Onset Pain, less severe, over several days Appendages Blue Dot Sign Pain mostly with pressure or movement (walking) Typically sitting up, alert, in no distress, ‘walking funny’ Fever/Nausea/Vomiting/Dysuria unusual Scrotal redness, ‘Blue Dot sign’ variable Tenderness usually over the superior pole Can be indistinguishable from Spermatic Cord Torsion Red,Swollen, Tender, Firm Infarcted Appendix Epididymitis/Orchitis Usually Reactive and not infection in pre-pubertal non-sexually active Swelling, Redness and Pain Can be indistinguishable from Spermatic Cord Torsion Consider Infection if Fever, dysuria or Risk Factors Check Urine!!! Urethral Stricture? Vasal or Ureteral Ectopia? Epididymal Abscess Proteus UTI Hydroceles Simple Hydrocele -present at birth and constant but decreasing........follow for 1-2 years until resolution Communicating Hydrocele Inguinal Hernia Inguinal Hernia Repair 1.Supra-inguinal Incision 2.Cord Dissection 3.Omentum in Hernia Sac 4.Trans-inguinal Laparoscopy Consider Spermatic Cord Torsion When Evaluating Scrotal Redness,Pain and/or Swelling Children’s Urology Doctor’s Line 512-474-6642 Mon- Fri between 8 am and 5 pm Varicocel e Ectatic/Tortuous veins of the spermatic cord 15% male adolescents Most are Asymptomatic Examine in Supine then Standing Position Adverse Effects: Testis Growth failure, Leydig Cell Dysfunction, Histologic changes, Semen Abnormalities Indications for Surgery : Testis Volume Loss > 2 cc Varicocele Ablation Options Sub-Inguinal / Inguinal / High Retroperitoneal Selective Venography / Percutaneous Embolization Laparoscopic Persistence / Recurrence Rates about same - 10-15% Hydrocele most common post-op Problem Testis Tumors 1%-2% of all pediatric solid tumors Incidence: 1 per 100,000 < 15 y Bi-modal distribution: peak at 2 years/then at puberty Blacks and Asiatic Children : very rare 74% are Benign if pre-pubertal Teratoma/Epidermoid/Gonadal Stromal Intersex / DSD are significant risk factors Pre-Pubertal Testis Tumors Germ Cell: Teratoma, Yolk Sac, Seminoma Gonadal Stromal: Leydig , Sertoli , Juvenile Granulosa GonadoBlastoma Lymphomas/Leukemias RhabdoMyosarcoma Epidermoid Cysts Pre-Pubertal Testis Tumors Firm Hard Painless Non-Transilluminating Scrotal Mass is the most common finding Color Doppler Ultrasound Alpha Feto-Protein (AFP), HCG level Testis Sparing Surgery Radical Orchiectomy Undescended Testes Exam Points Infant Referred for Bilateral UDT No No No Proper Exam is Key Yes * Palpate Along Path of Descent Check Ectopic Sites Check Penis,Scrotum and Meatus Imaging less Reliable Yes Yes Undescended Testis (UDT) 3% of Term Newborns 30% of Preemies (SGA, LBW < 2500 g, twins) Usually Unilateral/Epididymal Anomalies common 20% Intra-Abdominal / nonpalpable 80% Inguinal or Ectopic / palpable 70-77% descend by 3 months Testis Embryology and Descent Week 7- SRY Gene on Short Arm of the Y-Chromosome initiates Testis Differentiation Sertoli, Leydig and Germ Cells Develop Gubernaculum Appears Week 8- Testosterone, Mullerian Inhibitory Substance initiates and sustains normal male development In the Fetus, Testicular Descent occurs in 10% at 24 weeks, 50% at 27 weeks, 75% at 28 weeks and 80% after 34 weeks Gonadal Descent Testicular Descent normally complete by 32 weeks and requires Normal Hypothalamic-PituitaryGonadal Axis, Testosterone and DHT Gubernaculum has a role/ but does not pull the testis into the scrotum Intra-Abdominal Pressure? probably important for Inguinal Phase Important Long Term Considerations Decreased Fertility Newborn intra-abdominal UDT’s have normal Germ Cell Numbers By Age 1 - 2 years UDT’s have Decreased Leydig Cells, Abnormal Sertoli Cells and Reduced Germ Cell Counts These findings may be present in the Normal Contralateral Testis Paternity is Significantly Lower with Bilateral but Not Unilateral UDT Neoplasia Increased Risk for Testis Malignancy After Puberty Most Common Tumor in a UDT is a Seminoma Early Orchiopexy < 1 year May Protect Even with Successful Early Orchiopexy must monitor with Testis Self Exam Management Of UDT Orchiopexy between 6 - 12 months age Orchiectomy considered for Post-Pubertal UDT when normal contralateral testis is descended Hormonal Therapy- exogenous HCG or GnRH Standard Inguinal Exploration for Palpable UDT Laparoscopic for Intra-Abdominal UDT Fowler-Stephens and Staged Procedures Orchiopexy Laparoscopic Orchiopexy Bilateral Non-Palpable UDT Consider DSD (Intersex) if Hypospadias or any degree of Genital Ambiguity is present (CAH work-up : 17-OH Progesterone , ASD , DHEA-S , Cortisol) Most are XY Boys with otherwise Normal Genital Development Sonogram to evaluate for Mullerian Structures and Gonads Karyotype, FSH , Testosterone , MIS , Inhibin B HCG Stimulation Test Learning Objectives The learner should be able to: identify Common Penile Problems and Hypospadias and illustrate their management. assess Scrotal Pain, Redness and Swellings and recognize problems that require urgent evaluation by a Pediatric Urologist. diagnose an Undescended Testis and describe management and Long term morbidity. list our Contact numbers for Urgent or Emergent Consultation Jose Carlos Cortez MD Pediatric Urology Subspecialty Certification, American Board of Urology Diplomate, American Board of Urology Subspecialty Fellow, American Academy of Pediatrics Doctor’s Line 512-474-6642 Page Operator 512-406-3112 Caring for the Children of the Austin Community and Central Texas since 1992 Thank You