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for this image give 3 mark question for spotting

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The image shows a neonatal scrotal swelling - based on the bilobed, tense, discolored mass in a newborn, this is most consistent with bilateral neonatal testicular torsion (extravaginal type) or a large neonatal scrotal hematocele/hematoma. The upper image shows a unilateral dark-violaceous, tense globular scrotal swelling; the lower image shows bilateral involvement with erythema/ecchymosis.
Here is a complete 3-mark spotting question for this image:

Spotting Question (3 Marks)

"A neonate was brought to the pediatric surgery OPD on day 2 of life with the swelling shown in the image. The swelling was noted at birth, is firm, non-transilluminable, and the overlying skin shows violaceous discoloration."

Q1. What is the diagnosis? (1 mark)

Answer: Neonatal (Perinatal) Testicular Torsion - Extravaginal type
(Alternate acceptable: Bilateral neonatal scrotal hematocele / Neonatal scrotal hematoma secondary to adrenal hemorrhage, depending on clinical context)

Q2. What is the pathophysiology / why is this type of torsion unique in neonates? (1 mark)

Answer: In neonates, the tunica vaginalis is not yet fixed to the scrotal wall, allowing the entire testis along with the tunica vaginalis to twist as a unit around the spermatic cord - this is called extravaginal torsion (as opposed to intravaginal torsion seen in older boys where twisting occurs within the tunica vaginalis). It typically occurs perinatally (in utero or shortly after birth).

Q3. What is the management and why is prognosis often poor? (1 mark)

Answer:
  • Management: Urgent surgical exploration (scrotal orchidopexy/orchiectomy of necrotic testis + prophylactic fixation of the contralateral testis)
  • Poor prognosis because: By the time of clinical recognition, the testis is almost always non-viable due to prolonged ischemia (torsion often occurs in utero). Salvage rates are extremely low (<10%). The primary concern is to save the contralateral testis, as bilateral neonatal torsion (as seen in the lower image) can result in anorchia.
Key clinical pointers to include in answer:
  • Non-transilluminable distinguishes it from hydrocele
  • "Vanishing testis" is a sequela of missed intrauterine torsion
  • Bilateral involvement (lower image) is a surgical emergency due to risk of anorchia
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