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SONOGRAPHIC DIAGNOSIS AND
DIFFERENTIAL DIAGNOSIS OF ACUTE SCROTUM IN CHILDREN
Dr Hasan Nugud Consultant
Paediatric Surgeon
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• The diagnosis of acute scrotal pain and swelling in children is urgent and often difficult.
• The major problem in the acute scrotum is the diagnosis.
• Once the diagnosis is established , treatment is straightforward.
• The imaging of acute scrotum plays a critical role in decision making process whether exploratory surgery is necessary.
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Anatomy
FORMATION OF THE SCROTUM
•The scrotal sac is formed by envagination of the peritoneal layer-processus vaginalis starting in early fetal life.
•The testis decsends into the scrotum retroperitoneally.
•The processus vaginalis closes proximally while the distal part remains patent covering the anterior and lateral parts of testis like an apron
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Anatomy
1 Cutis
2 Dartos
3 External Spermatic
4 Cremasteric
5 Internal Spermatic
6 Parietal Vaginalis
7 Visceral Vaginalis
8 Albuginea
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ACUTE SCROTAL CONDITIONS:
• Epididymitis and Orchiepididymitis.
• Torsion of testicular appendix.
• Torsion of testis.
• Scrotal trauma.
• Hernia.
• Idiopathic scrotal edema.
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CLINICAL APPEARANCE
Swollen hemiscrotum
Painfull and hard testis
Redness with different intensity
Diagnostic dilemma
Sonographic imaging is a method
of choice for exact diagnosis !
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
Normal testis Homogeneous echotexture. Hyperechoic . Albuginea is not visualised. Tunica vaginalis is not seen. Triangular Epididymis with equal echogenicity
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
• Doppler Imaging of normal testis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 1 9 yrs old boy with painful and swollen left testis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 1 Colour Doppler
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 1 Colour Doppler
Diagnosis: Epididymitis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 2 6 yrs old boy with swollen left hemiscrotum. Painful and hard left testis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 2
Diagnosis: Epididymoorchitis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 3 10 yrs old boy with swollen left hemiscrotum. Painful left testis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 3 10 yrs old boy with swollen left hemiscrotum. Painful left testis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 3 10 yrs old boy with swollen left hemiscrotum. Painful left testis
Diagnosis: Post traumatic haematocele
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 4 A new born with redness of left hemiscrotum. Swollen left hemiscrotum. Tender and painful left testis Absent cremasteric reflex
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 4
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 4
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 4
Doppler study:
Severe ischemic
changes leading
to necrosis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 4
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 4
Diagnosis: Intrauterine, extra vaginal type of left testicular torsion. Necrotic testis
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 5 10 months old boy with swollen left hemiscrotum. Redness and pain on the left side. Hard left testis. Absent cremasteric reflex
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 5
Doppler :
Hyperaemic periphery
No testicular blood flow
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SONOGRAPHIC DIAGNOSIS OF ACUTE SCROTUM
CASE 5
Rt normal testis and appendix. Lt testicular necrosis
Diagnosis: Torsion of the left testis and appendix
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A NEW SONOGRAPHIC SIGN OF
TORSION OF TESTICULAR APPENDIX
IN PAEDIATRIC AGE GROUP
Dr Hassan Nougud - Consultant Padiatric Surgery, Al Wasl Hospital, Dubai
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MAJOR TESTICULAR APPENDAGES:
APPENDIX
EPIDIDYMIS
APPENDIX
TESTIS
APPENDIX
VAS
APPENDIX EPIDIDYMIS -REMNANT OF THE MESONEPHRON
APPENDIX TESTIS -REMNANT OF THE MULLERIAN DUCT
APPENDIX VAS - REMNANT OF THE MESONEPHRON
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THE TESTICULAR APPENDICES ARE PEDINCULATED
AND PRONE TO EASY TORSION
1
2
3
1 TORSED APPENDIX
2 TESTIS
3 SWOLLEN EPIDIDYMIS
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THE CURRENT SONOGRAPHIC DESCRIPTION OF TORSION
OF THE TESRICULAR APPENDAGES INCLUDES:
HYPOECHOIC MASS
HYPERECHOIC MASS
ECHOIC NODULE
VERY OFTEN IT IS CONFUSING
OUR EFFORT IS TO CONTRIBUTE TO MORE PRECISE
SONOGRAPHIC DESCRIPTION OF THE MOST
CHALLENGING CONDITION OF ACUTE SCROTUM IN
PEDIATRIC AGE GROUP
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WE HAVE 14 CASES OF SCROTAL EXPLORATION FOR
SUSPECTED TORSION OF TESTICULAR APPENDIX DURING
THE LAST 3 YEARS ( 2003-2005)
5 CASES ARE SONOGRAPHICALLY DIAGNOSED AND
SURGICALLY PROVED
THE BOY’S AGE VARY BETWEEN 3 AND 11 YEARS
ALL EXAMS ARE PERFORMED WITH HIGH RESOLUTION
(7-12 Mhz) LINEAR PROBE
WHAT WE FOUND REVISING THE VIDEOTAPES?
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CASE 1 AGE – 3 YRS OLD BOY
HISTORY – PAIN IN THE RIGHT TESTIS
USS FINDINGS:
THICKENING OF SCROTAL WALL
THICKENING OF TESTICULAR TUNICA ALBUGINEA
ENLARGED EPIDIDYMIS
WITH DOPPLER
NORMAL BLOOD FLOW
THE APPENDIX SHOWS BRIGHT
HYPERECHOIC DOTS AND LINES
WITH DOPPLER
NO BLOOD FLOW
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HISTOPATHOLOGY
NECROTIC CHANGES
INFLAMATION
CONGESTIVE BLOOD VESSELS
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CASE 2 AGE 4 YRS OLD BOY
HISTORY : PAIN IN THE LEFT TESTIS
US FINDINGS:
TESTIS – HYPEREMIC
EPIDIDYMIS – ENLARGED, HYPEREMIC
SCROTAL WALL - THICKENING
APPENDIX – ENLARGED AND SHOWS HYPERECHOIC DOTS AND LINES
DOPPLER: NO BLOOD FLOW
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OPERATIVE FINDINGS:
THE SIZE OF EPIDIDYMIS
IS EQUAL TO THE TESTIS
THE PEDINCULATED
APPENDIX IS TORSED
AND NECROTIC
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CASE 3 AGE- 10 YRS OLD BOY
HISTORY- PAIN IN THE LEFT
TESTIS ( 2 HRS DURATION)
US FINDINGS:
TESTIS – NORMAL
EPIDIDYMIS – NORMAL
APPENDIX – SLIGHTLY
ENLARGED AND SHOWS
HYPERECHOIC DOTS AND LINES
DOPPLER – NO BLOOD FLOW
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OPERATIVE FINDINGS
SLIGHTLY ENLARGED APPENDIX
MILD CONGESTION
NORMAL TESTIS
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CASE 4
10 yrs old boy
Swollen left hemiscrotum
Tender left testis.
Painful left testis
Skin redness
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CASE 5 AGE - 10 YRS OLD BOY
HISTORY – PAIN IN THE
LEFT TESTIS (3 DAYS DURATION)
TESTIS – THICKENING OF TUNICA
ALBUGINEA, NORMAL BLOOD FLOW
EPIDIDYMIS – ENLARGED AND
HYPERAEMIC
APPENDIX – ENLARGED AND SHOWS HYPERECHOIC DOTS AND LINES
DOPPLER – NO BLOOD FLOW
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CHONDRAL ECHOTEXTURE
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OPERATIVE FINDINGS:
ENLARGED EPIDIDYMIS
NECROTIC APPENDIX
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WHY CHONDRAL SIGN ?
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US OF NEONATAL FEMORAL HEAD
THE CHONDRAL
ECHOTEXTURE
SHOWS BRIGHT
HYPERECHOIC
DOTS AND LINES
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TORSED APPENDIX NEONATAL FEMORAL HEAD
SONOGRAPHICAL SIMILARITY
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TORSED APPENDIX NEONATAL HUMERAL HEAD
SONOGRAPHICAL SIMILARITY
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CONCLUSIONS:
WE BELIEVE THE SONOGRAPHIC CHONDRAL SIGN OF TORSED TESTICULAR APPENDIX IS RELIABLE AND VERY PROMISING FOR ACCURATE SONOGRAPHIC DIAGNOSIS AND WILL REDUCE SIGNIFICANTLY THE EMERGENCY SCROTAL EXPLORATION
WE RECOMMEND HIGH RESOLUTION ULTRASOUN SCANNING
WITH SEARCHING OF THE MAJOR SONOGRAPHIC SIGNS OF
APPENDICULAR TORSION:
1. CHONDRAL SIGN
2. SCROTAL WALL THICKENING
3. ENLARGED AND HYPEREMIC EPIDIDYMIS
4. AVASCULAR APPENDIX
5. TUNICA ALBUGINEA THICKENING
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THANK YOU