This document provides information on acute scrotum from the Department of Urology at Govt Royapettah Hospital and Kilpauk Medical College in Chennai, India. It discusses the differential diagnoses of acute scrotum including testicular torsion, epididymitis, trauma and tumors. It provides evaluation methods and clinical criteria to differentiate diagnoses. Treatment involves prompt surgical exploration for testicular torsion to preserve viability. Ultrasound Doppler is an important tool to evaluate blood flow and diagnose torsion. Epididymo-orchitis is usually caused by infection and typically has a more gradual onset than torsion. Torsion of appendages like the appendix testis is also discussed.
Approah to a child / adult presenting with acute scrotum - testicular pain.
The acute scrotum – definition and causes with differential diagnosis
Management of the acute scrotum
Testicular torsion
Torsion of a testicular or epididymal appendage
Epididymitis or epididymo-orchitis
Idiopathic scrotal oedema
Fat necrosis of the scrotum
Case Discussion
The acute scrotum is the painful, swollen scrotum or its contents of sudden onset. The “acute scrotum” may be viewed as the urologist’s equivalent to the general surgeon’s “acute abdomen.” Scrotal emergencies are rare but potentially life and fertility threatening. The most common causes of acute scrotal pain in adults are testicular torsion and epididymitis.
Patients with scrotal pain less than the age of 16 have torsion until proven otherwise. Scrotal pain with nausea & vomiting is specific for torsion.
A small but real, negative exploration rate is acceptable to minimize the risk of missing a critical surgical diagnosis. TIME IS TESTICLE
Approah to a child / adult presenting with acute scrotum - testicular pain.
The acute scrotum – definition and causes with differential diagnosis
Management of the acute scrotum
Testicular torsion
Torsion of a testicular or epididymal appendage
Epididymitis or epididymo-orchitis
Idiopathic scrotal oedema
Fat necrosis of the scrotum
Case Discussion
The acute scrotum is the painful, swollen scrotum or its contents of sudden onset. The “acute scrotum” may be viewed as the urologist’s equivalent to the general surgeon’s “acute abdomen.” Scrotal emergencies are rare but potentially life and fertility threatening. The most common causes of acute scrotal pain in adults are testicular torsion and epididymitis.
Patients with scrotal pain less than the age of 16 have torsion until proven otherwise. Scrotal pain with nausea & vomiting is specific for torsion.
A small but real, negative exploration rate is acceptable to minimize the risk of missing a critical surgical diagnosis. TIME IS TESTICLE
Disclaimer: A lot from this slides were taken also from https://www.slideshare.net/babysurgeon/scrotal-swellings-1 (Dr Selvaraj Balasubramani)
This covers only :
ANATOMY
CAUSES
TORSION OF TESTIS
EPIDIDYMO-ORCHITIS
HYDROCELE
EPIDIDYMAL CYST
VARICOCELE
Please find the power point on Urinary Tract Injury (Kidney Injury). I tried to present it on understandable way and all the contents are reviewed by experts and from very reliable references. Thank you
This is the first in the series of 6 presentations on Scrotal Swellings. Scrotal swellings is one of the common surgical problems. The causes are Hydrocele, epididymal cyst, spermatocele, varicocele,torsion testis and testicular carcinoma
Disclaimer: A lot from this slides were taken also from https://www.slideshare.net/babysurgeon/scrotal-swellings-1 (Dr Selvaraj Balasubramani)
This covers only :
ANATOMY
CAUSES
TORSION OF TESTIS
EPIDIDYMO-ORCHITIS
HYDROCELE
EPIDIDYMAL CYST
VARICOCELE
Please find the power point on Urinary Tract Injury (Kidney Injury). I tried to present it on understandable way and all the contents are reviewed by experts and from very reliable references. Thank you
This is the first in the series of 6 presentations on Scrotal Swellings. Scrotal swellings is one of the common surgical problems. The causes are Hydrocele, epididymal cyst, spermatocele, varicocele,torsion testis and testicular carcinoma
ACUTE APPENDICITIS- RLQ ABDOMINAL PAIN
#surgicaleducator #rlqabdominalpain #acuteappendicitis #usmle #babysurgeon #surgicaltutor
• Dear Viewers,
• Greetings from “Surgical Educator”
• Today I have uploaded a video on Acute Appendicitis
• It is the commonest surgical problem you see in surgical wards.
• I have discussed the various causes for RLQ pain, etiology, pathology, symptoms, signs, investigations , treatment and postop complications of Acute Appendicitis.
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• I hope the video will be very useful and you will enjoy it.
• You can watch all my surgical teaching videos in the following links:
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• Thank you for watching the video.
Testicular torsion refers to the torsion of the spermatic cord structures and subsequent loss of the blood supply to the ipsilateral testicle.
Urological emergency; early diagnosis and treatment are vital.
Mainly disease of Neonates, Adolescents.
The rate of testicular viability decreases significantly after 6 hours from onset of symptoms.
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Acute scrotum
1. ACUTE SCROTUM
Dept of Urology
Govt Royapettah Hospital and Kilpauk Medical College
Chennai
1
2. Moderators:
Professors:
Prof. Dr. G. Sivasankar, M.S., M.Ch.,
Prof. Dr. A. Senthilvel, M.S., M.Ch.,
Asst Professors:
Dr. J. Sivabalan, M.S., M.Ch.,
Dr. R. Bhargavi, M.S., M.Ch.,
Dr. S. Raju, M.S., M.Ch.,
Dr. K. Muthurathinam, M.S., M.Ch.,
Dr. D. Tamilselvan, M.S., M.Ch.,
Dr. K. Senthilkumar, M.S., M.Ch.
Dept of Urology, GRH and KMC,
Chennai.
2
6. Examination
Swelling scrotum /testis/ nodule
U/L or B/L
Tenderness
Prehn’s sign- elevation of testis in supine position
relieves pain
Erythema / cellulitis
Lie and position of testis
Cremasteric reflex- absence100% correlation with
torsion (Rabinowitz 1984)
Transillumination
6
Dept of Urology, GRH and KMC,
Chennai.
7. Clinical Criteria for Acute Scrotum
Karmazyn, et al:
172 children with testis torsion or other diagnoses
(appendix torsion and epididymitis)
41 with testis torsion and 131 other dx
3 factors associated with testis torsion
Duration < 6 hours, absent or decreased cremasteric and diffuse
testicular tenderness (score 0-3).
Children with a score of 0: no torsion
Children with a score of 3: 87% torsion
Ultrasound for score 1 & 2, surgery for score 3 and send home for
score 0
B. Karmazyn, et al. Pediatr Radiol, 35: 302-310, 2005
7
Dept of Urology, GRH and KMC,
Chennai.
8. INVESTIGATIONS
URINE R/M
URINE C/S
HEMOGRAM
COLOR DOPPLER USG- Sensitivity
89%,Specificity 99%(Baker et al) for torsion testis
Radionucleide imaging -Sensitivity 90%,Specificity
89%, PPV 75% for torsion testis; false positive due to
hyperemia of scrotal wall
8
Dept of Urology, GRH and KMC,
Chennai.
9. ULTRASONOGRAM
Assesses blood flow of the testicular
artery
Provides information on echotexture of
the testes and surrounding tissues
Can find abnormalities such as
hematoma, torsed appendix and
hydrocele
Testicular torsion causes changes in
echotexture over 24-48 hours with slow
evolution of heterogeneous echotexture
indicating necrosis.
Operator dependence: signal can be lost
with cord compression over the pubic
tubercle with the probe
Normal testis
9
Dept of Urology, GRH and KMC,
Chennai.
10. Scrotal US
Patient in the supine position
Scrotum supported by a towel placed between the thighs
A large amount of warm gel is used to minimize pressure on
the scrotal skin.
High-frequency linear-array transducers are recommended for
performing the study: (15–8 MHz for neonates and infants and
8–5 MHz for prepubertal and pubertal boys)
Use the fundamental mode and scan each hemi-scrotum in the
transverse and longitudinal planes.
Spermatic cord is an important part of the examination
The cord is identified in the inguinal canal, and its course is
followed up to the posterosuperior border of the testis
10
Dept of Urology, GRH and KMC,
Chennai.
11. Differentiation
Torsion testis(17%)
Adolescent age
Sudden onset pain
GI symptoms,
no urinary symptoms
Prehn’s sign absent
Cremasteric reflex –ve
High riding testis
Horizontal lie
Hx of previous episodes
Epididymo-orchitis
Adults
Gradual onset
Fever
Urinary symptoms present
Prehn’s sign present
Cremasteric reflex positive
Swollen testis and epididymis
11
Dept of Urology, GRH and KMC,
Chennai.
13. Etiology
Lack of normal fixation – Bell clapper
deformity
Added weight of testis after puberty
Trauma(5%), Athletic activity
Sudden contraction of Cremasteric muscle
Venous occlusion occurs first- edema
compromises arterial inflow- ischemia-
infarction
13
Dept of Urology, GRH and KMC,
Chennai.
14. ANATOMY
Normal Testis (A)
Bell-Clapper
Deformity(B)
Mesenteric attachment
between epididymis and
testis (C)
Torsion of Spermatic Cord
(D)
E same as C, with torsion
of mesentery
14
Dept of Urology, GRH and KMC,
Chennai.
17. Clinical features
Sudden onset severe scrotal pain -50%
5% insidious onset of pain
Past hx of self limited scrotal pain and
swelling
Nausea, vomiting, referred pain-lower
abdomen
Absence of urinary symptoms
17
Dept of Urology, GRH and KMC,
Chennai.
18. Clinical Examination
High riding testis due to foreshortening of
spermatic cord – 360 degree rotation- one to
several times
Transverse orientation – obscured in late cases
due to scrotal edema
Absence of Cremasteric reflex – 100%
specificity
TORSION IS A CLINICAL DIAGNOSIS
18
Dept of Urology, GRH and KMC,
Chennai.
19. Mechanism of torsion and detorsion
Anterior surface of each testis turns towards
the midline(patient’s perspective)
Detorsion to be done in two planes –
craniocaudal and mediolateral (Kiesling et al)
Twist or unscrew the testis outward towards
the thigh - open the book
If unsuccessful, rotate in opposite direction
Perform detorsion at initial examination
19
Dept of Urology, GRH and KMC,
Chennai.
20. Ultrasound Doppler
Adjunctive investigation of choice
To confirm the absence of torsion when
surgical intervention is unnecessary
Sensitivity:– 85-90%, Specificity:–75-
95%(Learner et al, 1990)
20
Dept of Urology, GRH and KMC,
Chennai.
22. Radionuclide Imaging
Originally the study of
choice
Now more limited in its
application
Evaluates only testicular
blood flow
Limited use in children
Time consuming,
expensive
22
Dept of Urology, GRH and KMC,
Chennai.
23. Pre operative consent
Orchidectomy if testis unsalvageable
B/L fixation in case of torsion
No fixation if no torsion
Small future risk of torsion despite fixation
Long term risk of atrophy
No guarantee of fertility
Risk of hematoma,infection, orchitis
23
Dept of Urology, GRH and KMC,
Chennai.
24. Treatment
Prompt surgical exploration within 4-6 hrs
Midline raphe or transverse incision
Affected side first
Check viability of testis, place warm packs
Dartos pouch fixation / suture fixation
Explore contralateral hemiscrotum- 40% chance of
anatomic abnormalities
Orchidectomy if unsalvageable
If appendix testis found- remove to prevent future
confusion
24
Dept of Urology, GRH and KMC,
Chennai.
26. Outcome
< 6 hours, 90% salvage
> 24 hours, 100% loss and atrophy
Only 50% men whose testis underwent detorsion
less than 4 hrs had normal semen analysis.
26
Dept of Urology, GRH and KMC,
Chennai.
27. Epididymo Orchitis
Most common acute scrotum post-pubertal
if presentation in prepubertal consider appendix testis
torsion vs. congenital anomalies
In men younger than 35 years, epididymo-orchitis caused
by sexually transmitted pathogens - Chlamydia ,Neisseria
gonorrhoeae
In men older than 35 years epididymo-orchitis caused by
non-sexually transmitted, Gram negative enteric organisms
causing urinary tract infections, e.g. E. coli, Pseudomonas
spp
Gram-negative enteric organisms are more commonly the
cause of epididymo-orchitis if recent instrumentation or
catheterisation has occurred
27
Dept of Urology, GRH and KMC,
Chennai.
28. Etiology contd.
Obstruction: adults older than 40 years usually have a bladder
outlet obstruction, (e.g. benign prostatic hyperplasia or urethral
stricture)
Children may have various congenital abnormalities or
functional voiding problems.
Trauma
Behcet’s disease
Amiodarone- dose-dependent and usually occurs at doses
greater than 200 mg daily
brucellosis, coccidioidomycosis, blastomycosis,
cytomegalovirus and candidiasis usually occur in
immunocompromised hosts
28
Dept of Urology, GRH and KMC,
Chennai.
29. Diagnosis
Gradual onset of pain,5% acute pain
Bilateral in 10% cases
Fever in 40% of patients
Dysuria in 50% of patients
Urinalysis may show pyuria in 50%
Urethral swab and first void urine
Midstream urine for microscopy, culture and
sensitivities.Sterile in 40-90% cases
29
Dept of Urology, GRH and KMC,
Chennai.
31. Radiological evaluation
• Anatomical abnormalities of the urinary tract are
common in the group infected with Gram negative
enteric organisms -further investigation of the urinary
tract should be considered in all such patients,
especially in those older than 40 years
• Adults usually have bladder outlet obstruction or
urethral stricture; children may have an ectopic
ureter, posterior urethral valves or VUR
• Prepubertal boys with positive cultures need USG
KUB and VCUG
31
Dept of Urology, GRH and KMC,
Chennai.
32. GENERAL ADVICE
Bed rest1-3 days, scrotal elevation and
supportive underwear
Ice packs
Anti-inflammatory agents
Analgesics
Antibiotics
Avoid instrumentation
32
Dept of Urology, GRH and KMC,
Chennai.
33. COMPLICATIONS
Scrotal abscess
Testicular infarction: cord swelling can limit testicular artery
blood flow
Recurrence
Chronic epididymitis
Sterility is uncommon after acute epididymitis, although the
documented true incidence is unknown. Disturbances in the
sperm quality are usually transient.
More important is the far less common azoospermia:
Caused by the epididymal duct obstruction observed in untreated and
improperly treated men with epididymitis.
The incidence of this condition is unknown
33
Dept of Urology, GRH and KMC,
Chennai.
34. TORSION OF APPENDAGES
Appendix testis - Hydatid of Morgagni
cranial remnant of mÜllerian system
Most common appendage for torsion (90%)
92% of all testes
Appendix epididymis
remnant of wolffian system
23% of testes,usually projects from the head
Appendix of the vas
Appendix of cord
34
Dept of Urology, GRH and KMC,
Chennai.
36. Torsion of the appendix testis occurs mainly in
prepubertal boys (aged 7–14 years), is more
frequent on the left side
incidence 46-71% -most common cause of
scrotal pain in the above age group
Appendages are pedunculated structures,
which predisposes them to torsion
36
Dept of Urology, GRH and KMC,
Chennai.
37. Clinical presentation
Gradual or sudden intense pain
Localized in the upper pole of the testis
Nodule of the upper scrotum with bluish skin
discoloration (“blue dot” sign) is
palpated(30%)-pathognomonic feature of this
entity (USG is not necessarily required for the
diagnosis when it is present )
37
Dept of Urology, GRH and KMC,
Chennai.
38. Investigations
Ultrasound -Testicular appendage torsion appears as a
lesion of low echogenicity with a central
hypoechogenic area.
If the edematous appendix and the head of the
epididymis are close enough, this condition will have
the "Mickey Mouse" appearance on transverse view
Doppler shows normal blood flow to the testis, with
an occasional increase on the affected side
Radionucleide scan- HOT DOT Sign-pathognomonic
Positive results are seen in only 45% of patients
whose symptoms have lasted 5-24 hours
38
Dept of Urology, GRH and KMC,
Chennai.
42. Management
Bed rest
Nonsteroidal anti-inflammatory agents Within
days, the twisted appendix may calcify and
become detached, leaving a scrotal
calcification, known as a scrotolith
If found on exploration for torsion simple
excision
42
Dept of Urology, GRH and KMC,
Chennai.
43. Testicular trauma
75% blunt ,25% penetrating
Penetrating trauma B/L 30% cases
Protective mechanisms-
Mobility of scrotum
Contraction of cremaster
Tough fibrous tunica albugenia
43
Dept of Urology, GRH and KMC,
Chennai.
44. Clinical features
Swelling, ecchymosis-variable
Degree of hematoma does not correlate with
severity of injury
Look for urethral/femoral vessel injury
Hematocele and Tenderness make examination
difficult.
44
Dept of Urology, GRH and KMC,
Chennai.
47. MANAGEMENT
Early exploration and repair- of rupture, significant
hematomas/hematoceles
Objectives: scrotal incision
testis salvage
Prevent infection
Control bleeding
Reduced convalescence
Preservation of fertility and hormonal function
Remove necrotic and extruded seminiferous tubules
Close tunica albugenia with nonabsorbable suture
Ligate vas and do delayed reconstruction
47
Dept of Urology, GRH and KMC,
Chennai.
49. Outcomes
Salvage rates exceed 90% with exploration
within 3 days of injury
Conservative management- 45% delayed
exploration rate, 20-50% orchidectomy rate,
33% salvage rates
Penetrating trauma is associated with gonadal
salvage rates of 32-65% cases (Cline et al
1998)
49
Dept of Urology, GRH and KMC,
Chennai.
50. Results: Cass 1983
66 Blunt Testicular Ruptures
Conservative Early
# 23 43
Delayed (>4d) 11 0
Orchiectomy 5 (45%) 4 (9%)
Hospital stay 7.8 d 4.9 d
50
Dept of Urology, GRH and KMC,
Chennai.
51. Fournier’s Gangrene
Necrotizing fasciitis of the perineum
Older age, indolent onset,95% cases have
source
Infection from skin,urethra,rectum
Associated with strictures,instrumentation,
extravasation
May ascend of fascial planes
Colles > Dartos > Scarpas >Bucks
51
Dept of Urology, GRH and KMC,
Chennai.
52. Etiopathogenesis
Predisposing factors
DM
Local trauma
Paraphimosis
Extravasation
Local infections
Surgery -circumcision,
hernia repair
Urethrocutaneous fistula
52
Dept of Urology, GRH and KMC,
Chennai.
53. Clinical features
Cellulitis ,tenderness
Fever, systemic toxicity
Crepitus with gangrene patches
Dysuria, obstructive voiding
Anemia ,hypoCa, hypoNa, raised S.Cr
Biopsy –intact epidermis with dermal/sub
cutaneous necrosis,vascular thrombosis
53
Dept of Urology, GRH and KMC,
Chennai.
54. Management
PROMPT DIAGNOSIS
Hydration , antibiotics
Immediate debridement till normal fascia
Relook after 24-48 hrs
Orchidectomy never needed
SPC if extravasation/ urethral trauma
Hyperbaric oxygen
Mortality 20-50%
54
Dept of Urology, GRH and KMC,
Chennai.
56. Mumps orchitis
20-40% of postpubertal boys with mumps
Bilateral ,gradual onset
Systemic symptoms
Follow parotitis by 4-7 days
Urine analysis and urethral cultures to R/O
epididymitis
Immunofluorescence antibody testing-confirm
mumps
Spontaneous resolution in 3-10 days
56
Dept of Urology, GRH and KMC,
Chennai.
57. Idiopathic scrotal edema
Difficult to distinguish from torsion/tumor
Ages 2 to 11, allergic origin
Sudden onset, unilateral or bilateral
Minimal tenderness, no fever/scrotal erythema
Pruritus significant
Normal Urine analysis
Normal gonads
Self limiting process
conservative treatment resolves in 3-4 days
57
Dept of Urology, GRH and KMC,
Chennai.
58. Imaging
US findings, which include thickening of the
scrotal walls and hypervascularity, are
characteristic
Thickened walls
58
Dept of Urology, GRH and KMC,
Chennai.
59. Henoch-Scholein Purpura
Diffuse vasculitis involving:
skin, joints, GI tract and kidneys
hematuria and proteinuria
Etiology unknown
complement / IgA involvement
75% of patients < 7 years of age
33% have scrotal / testicular involvement
differentiate from torsion
Observation ,steroids in some cases
59
Dept of Urology, GRH and KMC,
Chennai.