Download - Leg Ulcers - Clinical diagnosis
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How to Examine UlcersHow to Examine Ulcers
Ali SabbourAli SabbourProf. of General & Vascular Surgery, Ain Shams UniversityProf. of General & Vascular Surgery, Ain Shams University
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DefinitionsDefinitionsAn ulcer is a break in the continuity of an epithelium
Chronic ulcers are those that persist for more than 4 weeks
What prevents an ulcer to heal? What prevents an ulcer to heal?
What are the causes of chronic ulcers?What are the causes of chronic ulcers?
InfectionInfection Repeated /Persistent Repeated /Persistent traumatrauma
IschemiaIschemiaCCh.h. V Venousenous I Ins.ns.
Specific
•TB
• Syphilis
Non Specific
•Osteomyelitis
Localized destructive Localized destructive D/sD/s
•TB
•Gamma
•MalignancyDenervationDenervation
Peripheral nerve lesionsDM, Nerve injury, Leprosy
Spinal cord lesions
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HistoryHistory
CauseCause e.g. Minor traumae.g. Minor trauma
DurationDuration More than 4 weeks is considered chronicMore than 4 weeks is considered chronic
Main Main symptomsymptom
Pain, Discharge,….Pain, Discharge,….
CourseCourse •Increasing in size or depth Increasing in size or depth
•Became painful Became painful (infected?)(infected?)
•Discharging Discharging (infected?)(infected?)
•Recurrent Recurrent (healing & breaking down)(healing & breaking down)
Similar ulcer Similar ulcer (same site or elsewhere)(same site or elsewhere)
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ExaminationExamination
SiteSite ShapeShape SizeSize
FloorFloor
EdgeEdge
DepthDepth
DischargeDischarge
RelationsRelations (adherent to deeper tissues)(adherent to deeper tissues)
Skin Skin (or tissues)(or tissues) around around
Draining LNsDraining LNs
Floor
Edge
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ExaminationExaminationSiteSite
ShapeShape
SizeSize
Some ulcers have characteristic locationsSome ulcers have characteristic locations
e.g. Venous ulcer situated in the gaiter area of the leg
Are important in follow up of ulcer healingAre important in follow up of ulcer healing
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ExaminationExaminationSiteSite ShapeShape SizeSize
FloorFloorBy inspection you may notice:By inspection you may notice:
•Granulation tissue
•Sloughs
•Gangrenous tissue
•Deeper tissues as tendon or bone
Solid brownish or blackish tissue indicates full thickness skin death
Sloughs in ischemic foot ulcer
Healthy granulation tissue. The red colour reflects good vascularity
Gamma 3ry syphilis. Sloughs (wash-leather)
Gangrenous tissue & tendons in ischemic ulcer
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ExaminationExaminationSiteSite ShapeShape SizeSize
FloorFloor
DepthDepth
Venous ulcers are superficial
Neuropathic ulcers are deep
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ExaminationExaminationSiteSite ShapeShape SizeSize
FloorFloor
Edge Edge (5 types)(5 types)
DepthDepth
1- Sloping
The ulcer is shallow & the epithelium is The ulcer is shallow & the epithelium is growing in from the edge in an attempt to growing in from the edge in an attempt to
healheal
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ExaminationExaminationEdge Edge (5 types)(5 types)
1- Sloping
2- Punched-out
or square cutsquare cut: It results from rapid death & loss of the whole thickness of the skin with minimal attempt of healing
Gamma of 3ry syphilis Leprosy Neuropathic ulcer in the
sole of foot
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ExaminationExaminationEdge Edge (5 types)(5 types)
1- Sloping
2- Punched-out
3- Undermined edge
When infection is affecting the subcutaneous tissue more than the skin, the edge becomes
undermined
Pressure bed sore in the buttock.
Subcutaneous fat is more susceptible to pressure
than the skin
Tuberculous ulcer
Undermined edge in Pyoderma gangrenosa
Undermined edge in diabetic foot infection
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ExaminationExaminationEdge Edge (5 types)(5 types)
1- Sloping
2- Punched-out
3- Undermined
4- Rolled
Develops when there is slow growth of tissue in the edge of the ulcer
Basal cell carcinoma (rodent ulcer): Pale pink edge with clumps & clusters of cells visible through the
paper thin superficial covering of squamous cells
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ExaminationExaminationEdge Edge (5 types)(5 types)
1- Sloping
2- Punched-out
3- Undermined
4- Rolled
5- Everted edge
Develops when the tissue in the edge of the ulcer is growing quickly and spilling out of
the ulcer to overlap the normal skin.
This edge is typical of carcinoma at any site
Malignant ulcer colon carcinoma
Malignant transformation in a chronic venous ulcer
“Marjulin” ulcer
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ExaminationExaminationSiteSite ShapeShape SizeSize
FloorFloor
EdgeEdge
DepthDepth
DischargeDischargeMay be: serous, sanginous, serosanguinous or purululent
A dry discharge forms a scab that covers the ulcer
Purulent discharge from infected bed sore
Serosanguinous discharge from infected diabetic foot
ulcer
Dry scab covering the ulcer
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ExaminationExaminationSiteSite ShapeShape SizeSize
FloorFloor
EdgeEdge
DepthDepth
DischargeDischarge
Skin Skin (or tissues)(or tissues) around aroundCellulitis around the ulcer
Hyperpigmentation of ch. Recurrent infection
Pigmentation around venous ulcer
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ExaminationExaminationSiteSite ShapeShape SizeSize
FloorFloor
EdgeEdge
DepthDepth
DischargeDischarge
RelationsRelations (adherent (adherent to deeper tissues)to deeper tissues)
Skin Skin (or tissues)(or tissues) around around
It is important to know if the ulcer is adherent to the
deep structures
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ExaminationExamination
SiteSite ShapeShape SizeSize
FloorFloor
EdgeEdge
DepthDepth
DischargeDischarge
RelationsRelations (adherent to deeper tissues)(adherent to deeper tissues)
Skin Skin (or tissues)(or tissues) around around
Draining LNsDraining LNs
The draining LNs may be enlarged 2ry to infection or 2ry to tumour deposits.
Infected LNs may be tender