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Paediatric Surgery

Phimosis and Buried Penis

Built from Puri — Pediatric Surgery and Pediatric Urology

What’s inside

7 sections · 64 slides

  1. 01

    The Normal Foreskin

    What it is, what it does, and how it grows

    • What are we actually talking about?
    • What is the foreskin for?
    • How the foreskin is built, before birth
    • How foreskin and glans come apart: keratinization
    • Why a newborn's foreskin will not pull back
    • The foreskin frees itself over childhood
    • Non-retractable foreskin falls with age (Gairdner)
    • Smegma and 'smegma pearls'

    8 slides

  2. 02

    When a Normal Foreskin Misbehaves

    Balanoposthitis and paraphimosis

    • Inflammation of the tip: balanoposthitis
    • Balanoposthitis: causes and how it looks
    • Balanoposthitis: how it is managed
    • Paraphimosis with a swollen, trapped foreskin
    • Paraphimosis: a foreskin stuck in the back position
    • Paraphimosis: putting it right

    6 slides

  3. 03

    Congenital and Acquired Conditions

    Fusion anomalies, trauma, and true scarring

    • When penis and scrotum fail to separate
    • Webbed penis: scrotal skin fused along the shaft
    • The simplest form: webbed penis
    • Buried penis hidden by fusion and abnormal tethering
    • A more severe form: buried penis
    • The megaprepuce variant
    • Why simple circumcision is the wrong operation here
    • How buried penis is surgically corrected
    • Newer techniques for buried penis
    • Penile and foreskin trauma
    • BXO: a scarred, white foreskin tip
    • True phimosis: Balanitis Xerotica Obliterans (BXO)
    • BXO: how it presents
    • BXO: what it is and where it comes from
    • BXO: treatment and the meatal stenosis link

    15 slides

  4. 04

    Should the Foreskin Be Removed?

    Indications, controversy, and evidence

    • Why most circumcisions are actually done
    • When circumcision must NOT be done
    • Does routine circumcision actually prevent problems?
    • The urinary tract infection (UTI) argument
    • Doing the maths: how many operations per UTI prevented?
    • Where the numbers DO justify circumcision
    • Phimosis is over-diagnosed
    • Sorting out the indications

    8 slides

  5. 05

    How Circumcision Is Done

    Clamps, devices, and freehand techniques

    • The goal of a good circumcision
    • Two newborn clamp devices
    • The Mogen clamp for ritual circumcision
    • Circumcision in older children
    • The freehand technique, step by step
    • The sleeve technique, step by step

    6 slides

  6. 06

    Complications of Circumcision

    Early problems, meatal stenosis, and the data

    • Complications: the historical and modern picture
    • Early complications and meatal stenosis
    • Reported complication rates across six surgical series
    • Why the complication figures vary so wildly
    • Why does a newborn's foreskin normally fail to retract, and why must you not force it?

    5 slides

  7. 07

    Summary and Key Points

    What to carry away

    • The big ideas of this chapter
    • Numbers worth remembering
    • References (1/5)
    • References (2/5)
    • References (3/5)
    • References (4/5)
    • References (5/5)
    • Pediatric Surgery and Pediatric Urology

    8 slides