Boil is an acute staphylococcal infection of a hair follicle with perifolliculitis which usually proceeds to suppuration & central necrosis.Often boil open on its own & subsides (S. aureus infection)
3. BOILS OR FURUNCLE
DEFINITION
• It is an acute
staphylococcal infection
of a hair follicle with
perifolliculitis which
usually proceeds to
suppuration & central
necrosis
• Oftenboil open on its
own & subsides
(S. aureus infection)
BOIL
4. • Furuncle in external auditory
canal is very painful , because
of rich cutaneous nerves
• Here skinis adherent to
perichondrium
Blind healed dull boil
• Boils often heals
spontaneously
• &suppurationwill not occur in
suchboil
• It is often called as blind
healeddull boil
Blind healed dull boil
5. COMMONSITES
• Axilla
• Groin
• Areola
• Umblicus
• Scalp
• Chest
• Perineum
• Boil is common over
back, neck, Thigh &
forearmeventhoughit
can occur anywhere
Boil in axilla
6. • Boil in eyelashfollicle is
called as stye
• Boil can occur in perianal
regionwhich ca lead into
abscess& fistula
• Boil can lead into
hidradenitis ,commonin
axilla & pubic region
• Boil can cause cellulitis of
local area
• Overlying skinundergoes
necrosis
• But during healing
Re- epithelializationoccurs
.
Hidradenitis
7. CLINICALFEATURES
• Boil subsides
spontaneously with
the support of
suitable antibiotics –
often requires
incision& drainage
• Regional Enlarged
tender Lymph nodes
may be palpable due
to secondary infection
• Redness
• Swelling
• Warmsensation
• Fever
• Pain- Throbbing
• Lymph nodes
Enlargement
• Constitutional
symptoms
• Systemic features are
not common unlessit
is multiple/recurrent
/severe or in diabetics
& immunosuppressed
• Multiple/Recurrent
boils is common in
diabetics
8. TREATMENT
• Antibiotics given if boil is
not resolving
sponataneously-
• Cloxacillin
• Amoxycillin
• Rarely Drainageof boil is
needed in severe persistent
Form
Drainage of Boil
9. COMPLICATIONS
• Cellulitis
• Lymphadenitis
• Hidradenitis
(infectionof group of
hair follicle )
• Boil in dangerous
zone in the face ,can
cause cavernous
sinus thrombosis
Cellulitis
Acute Cervical
Lymphadenitis
10. REFERENCE
1. SRB's Manual of Surgery
by SriramBhat M
2. A Manual on Clinical
Surgeryby Das
3. A Concise textbookof
Surgeryby Das
14. CARBUNCLE
DEFINITION
• Word meaning of carbuncle
is charcoal.
• It is an infective gangrene of
skinand subcutaneous
tissue.
• Staphylococcus aureus is the
mainculprit.
15. COMMONSITES
• Common site of
occurrence is napeof
the neck & back.
• Shoulder
• Cheek
• Hand
• Forearm.
• It is commonin
diabetics & after 40
years of age.
• It is common in males.
PATHOLOGY
Infection
↓
Followedby developmentof
Small Vesicles
↓
Sieve like patternin the skin
↓
Skin becomes Red , indurated
withdischarge of pus
↓
All vesicles Fused together &
forma Central necrotic ulcer
16. Pathology of
Carbuncle
↓
Surrounded by vesicles & it
lookslike a RosetteAppearance
↓
Followedby – The skinbecome
Black due to blockage of
cutaneous vessels
↓
Then diseases spread to
adjacentarea veryrapidly
↓
Patient becomes toxic
17. . ↓
In Carbuncle – A groupof Hair
follicles are involved & it looks
likea clusters of furuncles
CLINICALFEATURES
• Pain– Throbbing
• Swelling
• Redness
• Vesicles
• Ulcer
• Rosette Appearance
• Gangrene
INVESTIGATION
• Urine sugar
• Urine ketone bodies
• Blood sugar.
• Discharge for C/S.
18. TREATMENT
• Control of diabetes
• Antibiotics like
• Penicillins
• cephalosporins
• Drainage is done by
a cruciate incision
and debridementof
all dead tissues is
done.
• Excision is done
later
Drainage of
Carbuncle
19. • Once wound granulates
well, skingrafting may be
required.
• Renal Carbuncle is an entity
whichoccurs in kidney due
to infection, forming
localizedinfective mass
lesion
Renal
Carbuncle
20. REFERENCE
1. SRB's Manual of Surgery
by SriramBhat M
2. A Manual on Clinical
Surgeryby Das
3. A Concise textbookof
Surgeryby Das