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    • Vesicoureteral Reflux
    • Howard M Iii Snyder
    • Howard M III Snyder: Influence Statistics

      Howard M III Snyder

      Howard M III Snyder

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      Division of Urology, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA. snyderh@email.chop.edu | Children's Hospital of Philadelphia, Philadelphia, PA | ...

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      Howard M III Snyder:Expert Impact

      Concepts for whichHoward M III Snyderhas direct influence:Vesicoureteral reflux,Laser tissue soldering,Endoscopic incision,Ascending testis,Hypospadias repair,Passive compliance,Onlay island flap,Cryptorchid testis.

      Howard M III Snyder:KOL impact

      Concepts related to the work of other authors for whichfor which Howard M III Snyder has influence:Vesicoureteral reflux,Urinary tract,Posterior urethral valves,Hypospadias repair,Cloacal exstrophy,Undescended testes,Renal function.

      KOL Resume for Howard M III Snyder

      Year
      2013

      Division of Urology, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.

      University of Pennsylvania, Philadelphia, PA

      2012

      Division of Urology, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania

      2011

      University of Pennsylvania, Philadelphia, PA, USA

      Children's Hospital of Philadelphia, 34th Street and Civic Center Boulevard, 3rd Floor Wood Bldg, Division of Urology, Philadelphia, Pennsylvania 19104

      2010

      Philadelphia, PA

      Robert A. Garrett Professor of Pediatric Urology, Indiana University School of Medicine, Chief, Pediatric Urology, James Whitcomb Riley Hospital for Children, Indiana University Medical Center, Indianapolis, Indiana

      Professor and Chief of Pediatric Urology, Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland

      2009

      Division of Pediatric Urology, Children's Hospital of Philadelphia, 34th & Civic Center Blvd., Philadelphia, PA 19104, USA

      2008

      Divisions of Urology and Radiology (RB), Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania

      Division of Urology, Children's Hospital of Philadelphia, Philadelphia, PA, USA

      2007

      Division of Urology, Department of General Pediatrics (JBM, PSP), Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania

      2006

      Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, and Department of Surgery, Walter Mackenzie Center, University of Alberta, Edmonton, Alberta, Canada

      2005

      From the Division of Pediatric Urology, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania

      Division of Pediatric Urology, Children's Hospital of Philadelphia

      2004

      Division of Urology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

      The Children’s Hospital of Philadelphia

      2003

      Division of Pediatric Urology, Children’s Hospital of Philadelphia, USA

      2002

      From the Divisions of Pediatric Urology and Pathology, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania

      Division of Urology, The Children’s Hospital of Philadelphia, USA

      2001

      From the Divisions of Pediatric Urology, Children’s Healthcare of Atlanta, Emory University School of Medicine, Atlanta, Georgia, Children’s Hospital of Iowa, University of Iowa Hospitals and Clinics, Iowa City, Iowa, and Children’s Hospital of Philadelphia, University of Pennsylvania, Philadelphia, Pennsylvania

      Department of Pathology and Division of Pediatric Urology, Childrens Hospital of Philadelphia, Pa., USA

      2000

      From the Division of Pediatric Urology, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania, and Department of Urology, University of Padova, Padova, Italy

      Division of Pediatric Urology, Department of Urology, Children's Hospital of Iowa, Iowa City, Iowa, and Division of Pediatric Urology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA

      1999

      Philadelphia, PA (Presented by Dr. Jaffe)

      1998

      Children's Hospital of Philadelphia (USA)

      1997

      From the Division of Urology, Children's Hospital of Philadelphia, and the Department of Anatomy and Histology, University of Pennsylvania School of Dental Medicine, Philadelphia, Pennsylvania.

      (Baskin) Requests for reprints: Department of Urology, U-575, University of California, San Francisco, California 94143-0738.

      Accepted for publication May 9, 1997.

      1996

      From the Department of Urology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania. Accepted for publication November 3, 1995. *Requests for reprints: Department of Urology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania 19104.

      Division of Human Genetics and Molecular Biology, Departments of Plastic and Reconstructive Surgery, Radiology, Urology, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

      1995

      Division of Urology, Children's Hospital of Philadelphia, the Department of Anatomy and Histology, School of Dental Medicine, University of Pennsylvania, and the Division of Urology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.

      Department of Urology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania

      1994

      Urology Research Laboratories, Children’s Hospital of Philadelphia, Hospital of the University of Pennsylvania, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania

      The Children's Hospital of Philadelphia, Philadelphia

      1993

      From the Urology Research Laboratories, Children’s Hospital of Philadelphia, Hospital of the University of Pennsylvania, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania

      Department of Urology, University of Padova, Padova, Italy

      University of Utah School of Medicine, Salt Lake City, Utah

      Seth L. Schulman, MD, and Howard McC. Snyder III, MD, Divisions of Pediatric Nephrology and Urology, The Children's Hospital of Philadelphia, 34th & Civic Center Boulevard, Philadelphia, PA 19104, USA.

      Division of Urology, Surgical “Associates of the Children's Hospital of Philadelphia, One Children's Center, 34th Street and Civic Center Boulevard, 19104-4399, Philadelphia, PA, USA

      1992

      From the Department of Pathology, University of Medicine and Dentistry of New Jersey School of Osteopathic Medicine, Camden, New Jersey

      Privatdozent, Oberartz, Kinderspital, Basel, Switzerland

      Departments of Urology and Surgery and Division of Pediatric Urology, University of Pennsylvania School of Medicine and Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania

      1991

      From the Divisions of Urology and Pediatric Urology, Children’s Hospital of Philadelphia, Philadelphia, Pennsylvania

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      Sample of concepts for which Howard M III Snyder is among the top experts in the world.
      Concept World rank
      testicular biopsy histopathology #1
      3 ureteropelvic #1
      proper followup schedule #1
      1cm calculus #1
      ureter endoscopic #1
      buccal mucosal grafts #1
      cases congenital megacalycosis #1
      6 months vagina #1
      udt controls #1
      testis histology patients #1
      permanent vesicostomy #1
      repair neourethral #1
      publication cloaca disorders #1
      underwent vesicostomy #1
      adult hormone levels #1
      intravesical ureteroceles reimplantation #1
      testis biopsy orchiopexy #1
      megaureters cohort #1
      orchiopexy understanding #1
      complications meatal stenosis #1
      tbx orchiopexy #1
      differential germ #1
      35 yearly #1
      antibiotics persistent reflux #1
      outcome prophylactic antibiotics #1
      reimplantation 3 cases #1
      bilateral undescended testes #1
      sutureless laser repair #1
      myelomeningocele patients cryptorchidism #1
      undescended testes boys #1
      entire repair age #1
      ureteroceles required #1
      cryptorchid gonad #1
      meiosis 45 years #1
      spermatocytes average #1
      pathological findings testis #1
      maturation 23 months #1
      undescended birth #1
      undescended testis patients #1
      iatrogenic undescended testis #1
      tubule bilateral #1
      hypospadias exstrophy #1
      histology normal #1
      normal range tubule #1
      materials methods parameters #1
      14 16 boys #1
      testis fertility potential #1
      Sign-in to see all concepts, it's free!

      Prominent publications by Howard M III Snyder

      KOL-Index: 12602

      PURPOSE: The management of the nonpalpable testis permits an individualized operative approach. We analyze the results of surgical management of a large series of patients with a nonpalpable testis.

      MATERIALS AND METHODS: Between January 1986 and June 1994 we treated 1,866 boys with undescended testes. There were 447 testes (24%) that were not palpable at presentation. Intra-operative data on these patients were collected for age at presentation, bilateral testes position, testicular ...

      Known for Nonpalpable Testis | Surgical Management | Undescended Testes | Spermatic Vessels | Intra Abdominal
      KOL-Index: 11406

      OBJECTIVES: Laser tissue soldering (LTS) with the diode laser and human albumin-hyaluronate-indocyanine green solder is a safe and effective method of providing an immediate leak-free closure during hypospadias repair. In this report, we compare the physiology, histology, and immunohistochemistry of wound healing following LTS and suturing in a rat skin flap model.

      METHODS: A 4 x 5-cm skin flap was raised and bisected (4 cm) on the dorsum of 48 Sprague-Dawley rats. The central wound was ...

      Known for Hypospadias Repair | Wound Healing | Tensile Strength Lts | Skin Flap | Laser Soldering
      KOL-Index: 9956

      PURPOSE: Testicular teratoma is a rare neoplasm affecting the pediatric population and has classically been reported to be the second most common testis tumor in children behind yolk sac tumors. Testicular teratomas are benign and partial orchiectomy may be considered. We describe our single institution experience with testicular teratoma and definitive treatment with testis preserving surgery.

      MATERIALS AND METHODS: We reviewed the pathology records at our institution for all testicular ...

      Known for Testicular Teratoma | Testis Sparing Surgery | Longterm Followup | Prepubertal Boys | Epidermoid Cysts
      KOL-Index: 9836

      Immunohistochemistry using monoclonal and polyclonal antibodies to extracellular matrix proteins is a highly sensitive tool for the characterization of matrix components. For the first time in the normal and noncompliant human bladder we have used antibodies to collagen types I, III and IV, and elastin to provide morphological correlation with mechanical properties noted clinically. In the normal bladder elastin and collagen types I and III showed intense localization in the lamina ...

      Known for Lamina Propria | Normal Bladder | Smooth Muscle | Detrusor Layer | Collagen Types Iii
      KOL-Index: 9794

      PURPOSE: Accepted management of vesicoureteral reflux includes surgical correction or prophylactic antibiotics with the hope for resolution as the child grows. The physician must consider surgery when reflux does not resolve despite uneventful years on prophylactic antibiotics. An alternative is cessation of the antibiotics. We report on the outcome of children taken off antibiotics with persistent reflux.

      MATERIALS AND METHODS: During a 14-year period 51 children with documented reflux ...

      Known for Prophylactic Antibiotics | Vesicoureteral Reflux | Older Children | Urinary Tract Infection | Surgical Correction
      KOL-Index: 9316

      PURPOSE: The spontaneous resolution rate of vesicoureteral reflux is helpful for determining the need for surgical intervention and the proper followup schedule in patients on antibiotic prophylaxis. We determined the resolution rate by patient rather than by ureter and analyzed the effects of laterality, gender, age and dysfunctional voiding.

      MATERIALS AND METHODS: We retrospectively reviewed the records of 179 girls and 35 boys who presented between 1981 and 1984 with urinary tract ...

      Known for Spontaneous Resolution | Vesicoureteral Reflux | Antibiotic Prophylaxis | Dysfunctional Voiding | Urinary Tract
      KOL-Index: 9314

      PURPOSE: We evaluated sexual function in adult patients with spina bifida and its impact on quality of life.

      MATERIALS AND METHODS: Between March 2005 and May 2006, 76 adult patients with spina bifida, including 34 women and 42 men, with a mean age of 24.4 years (range 18 to 37) were seen for followup at our institution. Following institutional review board approval data were collected from medical records and validated questionnaires were completed, including the Watts Sexual Function ...

      Known for Sexual Function | Spina Bifida | Quality Life | Urinary Incontinence | Surveys Questionnaires
      KOL-Index: 9299

      PURPOSE: We believe that primary valve ablation with observation is the preferred management for posterior urethral valves. However, debate continues as to the role of high diversion. We examined the long-term outcome of a large series of patients treated with primary valve ablation, and compared it to the outcome of high diversion and vesicostomy.

      MATERIALS AND METHODS: We reviewed the records of 100 patients treated with primary valve ablation (74%), vesicostomy (13%) or high diversion ...

      Known for Primary Valve | Patients Age | Term Outcome | Urinary Diversion | Newborn Kidney Failure
      KOL-Index: 9159

      BACKGROUND: The subfertility of cryptorchidism correlates with severely reduced total germ cell counts in prepubertal testicular biopsies of undescended testes. Reduced total germ cell counts are associated with defects in the two prepubertal steps in maturation and proliferation in germ cells: first, the transformation of the fetal stem cell pool (gonocytes) into the adult stem cell pool (adult dark spermatogonia) at two to three months of age and, second, the transformation of adult ...

      Known for Hormonal Therapy | Germ Cell | Bilateral Cryptorchidism | Undescended Testes | Adult Dark Spermatogonia
      KOL-Index: 8847

      The onlay island flap urethroplasty, a variant of the transverse preputial (tubularized) island flap, was originally described for repair of anterior hypospadias. However, many cases of mid and proximal hypospadias have a well developed urethral plate and exhibit little or no chordee after release of skin tethering. Patients with this combination of findings are ideal candidates for onlay island flap urethroplasty regardless of initial meatal position. During the last 5 years the onlay ...

      Known for Onlay Island Flap | Urethral Plate | Hypospadias Repair | Fewer Complications | Urethra Humans
      KOL-Index: 8253

      A total of 51 children, mostly less than 2 years old, underwent endoscopic incision of ureteroceles as a primary form of treatment. In 73% no further surgery was required. Of the patients 19 were diagnosed by prenatal ultrasound, with a urinary tract infection the usual presenting symptom in the remainder. Of 27 intravesical cases endoscopic incision resulted in decompression of the ureterocele in 93%, with preservation of upper pole function in 96%, and secondary surgical procedures ...

      Known for Endoscopic Incision | Ectopic Ureteroceles | Intravesical Versus | Surgery Patients | Prenatal Ultrasound
      KOL-Index: 8252

      Abstract Purpose The management of the nonpalpable testis permits an individualized operative approach. We analyze the results of surgical management of a large series of patients with a nonpalpable testis. Materials and Methods Between January 1986 and June 1994 we treated 1,866 boys with undescended testes. There were 447 testes (24%) that were not palpable at presentation. Intraoperative data on these patients were collected for age at presentation, bilateral testes position, ...

      Known for Nonpalpable Testis | Surgical Management | Impalpable Testes | Spermatic Vessels | Inguinal Approach
      KOL-Index: 8167

      Of 260 patients being actively followed in a myelodysplasia clinic 48 have had a vesicostomy. Vesicostomy was done because of hydroureteronephrosis in 44 cases, infection in 3 and failure of clean intermittent catheterization in 1. Of the 48 patients 16 underwent closure of the vesicostomy, generally between ages 6 and 10 years, an age when the child is prepared to begin clean intermittent catheterization and is motivated to achieve continence. Two children underwent early vesicostomy ...

      Known for Spina Bifida | Neurogenic Bladder | Urinary Catheterization | Clean Intermittent | Publication Child Child
      KOL-Index: 8125

      The coexistence of ureteropelvic junction obstruction and vesicoureteral reflux was seen in 17 (14 per cent) of 147 consecutive patients undergoing pyeloplasty. These patients were analyzed to determine the therapeutic implications of this association. They fell into 3 clinical groups: group 1--primary ureteropelvic junction obstruction, group 2--ureteropelvic junction obstruction secondary to high grade reflux and group 3--pseudo-ureteropelvic junction obstruction. There were 11 ...

      Known for Ureteropelvic Junction | Vesicoureteral Reflux | Voiding Cystourethrogram | Pyeloplasty Patients | Ureteral Obstruction
      KOL-Index: 7996

      PURPOSE: A germ cell count of less than 0.2 germ cell per tubule on the prepubertal biopsy of cryptorchid testes predicts abnormal spermiograms and decreased fertility in adulthood, and may be used to select patients for post-orchiopexy hormonal therapy. Testicular volume directly correlates with testicular function and spermiogenesis. We determined whether testicular volume would predict the total germ cell count accurately enough to replace testicular biopsy in the modern management of ...

      Known for Testicular Volume | Patients Cryptorchidism | Modern Management | Undescended Testes | Patient Age

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      Division of Urology, The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA. snyderh@email.chop.edu | Children's Hospital of Philadelphia, Philadelphia, PA | University of Pennsylvania, Philadelphia, PA | Division of Urology, The Childr

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