skin involvement in internal medicine ד " ר גורשטיין אלכס, פנ. ה ' ביה...
TRANSCRIPT
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Skin Involvement Skin Involvement in Internal in Internal MedicineMedicine
''ד"ר גורשטיין אלכס, פנ. הד"ר גורשטיין אלכס, פנ. ה
ביה"ח מאירביה"ח מאיר
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Primary skin lesionsPrimary skin lesions
MaculeMacule- a flat, coloured, not raised - a flat, coloured, not raised lesion <2 cmlesion <2 cm
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Intussusception due to intestinal polyp Intussusception due to intestinal polyp and lentigines in a patient with Peutz-and lentigines in a patient with Peutz-
Jeghers syndromeJeghers syndrome
NEJM , Dec. 6, 2007
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PatchPatch
A flat, coloured, not raised lesion >2 A flat, coloured, not raised lesion >2 cmcm
Café-au-lait spot VitiligoCafé-au-lait spot Vitiligo
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PapulePapule
A raised, palpable lesion < 0.5 cmA raised, palpable lesion < 0.5 cm
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Maculopapular rashMaculopapular rash
Rubelliform Rubelliform MorbilliformMorbilliform
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NoduleNodule
A raised, palpable lesion 0.5-5 cmA raised, palpable lesion 0.5-5 cm
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TumorTumor
A raised, palpable lesion >5 cmA raised, palpable lesion >5 cm
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PlaquePlaque
A raised, palpable flat-topped lesion A raised, palpable flat-topped lesion >1 cm>1 cm
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VesicleVesicle
A fluid-filled raised lesion <0.5 cmA fluid-filled raised lesion <0.5 cm
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PustulePustule
A vesicle filled with leukocytes.A vesicle filled with leukocytes.
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BullaBulla
A fluid-filled raised lesion >0.5 cmA fluid-filled raised lesion >0.5 cm
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Secondary skin lesionsSecondary skin lesions
Crust-Crust- dried exudate of body fluids dried exudate of body fluids Erosion-Erosion- loss of epidermis without loss of epidermis without
dermisdermis Ulcer-Ulcer- loss of epidermis and at least loss of epidermis and at least
partial loss of dermispartial loss of dermis Excoriations-Excoriations- linear erosions caused by linear erosions caused by
scratching.scratching. Lichenification-Lichenification- thickening of the skin thickening of the skin
with resulting accentuation of skin lines.with resulting accentuation of skin lines.
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Excoriations and Excoriations and lichenificationlichenification
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Approach to a patient with Approach to a patient with purpurapurpura
Non-blanching rash caused by Non-blanching rash caused by extravasation of bloodextravasation of blood
Depending on size called:Depending on size called:
- petechiae <3 mm- petechiae <3 mm
- purpura >3 mm- purpura >3 mm
- ecchymosis >2 cm- ecchymosis >2 cm
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11stst step- rule out step- rule out “pseudopurpura“pseudopurpura””
Kaposi’s sarcomaKaposi’s sarcoma
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Hereditary hemorrhagic Hereditary hemorrhagic telangiectasia (HHT) = telangiectasia (HHT) =
Osler-Weber-Rendu Osler-Weber-Rendu syndromesyndrome
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Erythema nodosumErythema nodosum Acute nodular erythematous Acute nodular erythematous
eruptioneruption Represents a delayed Represents a delayed
hypersensitivity reaction to hypersensitivity reaction to aa
variety of antigens.variety of antigens. Common causes:Common causes: - Infections- Strep., Tb., other- Infections- Strep., Tb., other - Drugs- sulfa, contraceptives- Drugs- sulfa, contraceptives - IBD- IBD - Sarcoidosis- Sarcoidosis - Idiopathic- Idiopathic
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22ndnd step – palpable or not step – palpable or not
Non-palpableNon-palpable1. 1. Primary cutaneousPrimary cutaneous - trauma- trauma - solar = actinic- solar = actinic - steroid- steroid2. 2. SystemicSystemic - -
thrombocytopeniathrombocytopenia - -
thrombocytopathythrombocytopathy - scurvy- scurvy
3. 3. With intravascular With intravascular thrombithrombi
- DIC - DIC - TTP- TTP - Janeway - Janeway
lesionslesions4. 4. Caused by Caused by
embolismembolism - Cholesterol - Cholesterol
emboliemboli - Fat embolism- Fat embolism
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Steroid purpuraSteroid purpura
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Purpura due to ITPPurpura due to ITP
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Purpura in DICPurpura in DIC
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Janeway lesionsJaneway lesions
Vascular phenomenon of Vascular phenomenon of endocarditis related to embolism endocarditis related to embolism and skin necrosisand skin necrosis
Non-palpable, non-tenderNon-palpable, non-tender
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Cholesterol embolismCholesterol embolism
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Palpable purpuraPalpable purpura
1. 1. VasculiticVasculitic - Small vessel vasculitis - Small vessel vasculitis
(leukocytoclastic vasculitis)(leukocytoclastic vasculitis) - Henoch-Sch- Henoch-Schöönlein purpuranlein purpura - Polyarteritis nodosa- Polyarteritis nodosa - Osler’s nodes- Osler’s nodes2. 2. InfectiousInfectious - Disseminated gonococcal infection- Disseminated gonococcal infection - Rickettsial spotted fever- Rickettsial spotted fever
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Henoch-SchHenoch-Schöönlein nlein purpurapurpura
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Osler’s nodesOsler’s nodes
Immune phenomenon of Immune phenomenon of endocarditis related to deposition of endocarditis related to deposition of immune complexes.immune complexes.
Palpable, tender lesionsPalpable, tender lesions
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Disseminated gonococcal Disseminated gonococcal infectioninfection
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Rickettsial spotted feverRickettsial spotted fever
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Approach to a patient with Approach to a patient with leg ulcersleg ulcers
Venous= ulcus crurisVenous= ulcus cruris Ischemic in peripheral arterial disease Ischemic in peripheral arterial disease
(PAD)(PAD) NeuropathicNeuropathic Other:Other: - Decubitus ulcers=pressure sores- Decubitus ulcers=pressure sores - Skin cancer- Skin cancer - Infections- Infections - Antiphospholipid syndrome- Antiphospholipid syndrome - Vasculitis- Vasculitis - Pyoderma gangrenosum- Pyoderma gangrenosum
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PAD and leg ulcersPAD and leg ulcers
Symptoms and signs of PAD:Symptoms and signs of PAD:
- Intermittent claudication, ulcers, - Intermittent claudication, ulcers, gangrenegangrene
- Pallor/ cyanosis- Pallor/ cyanosis
- Decreased pulses- Decreased pulses
- Atrophic shiny skin- Atrophic shiny skin
- Loss of skin appendages- Loss of skin appendages
- Thickened nails- Thickened nails
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Ischemic skin ulcersIschemic skin ulcers
Usually occur over pressure pointsUsually occur over pressure points
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Chronic venous Chronic venous insufficiencyinsufficiency
Results from damage to venous Results from damage to venous valves due to DVT or valvular valves due to DVT or valvular incompetenceincompetence
Leads to increased leg Leads to increased leg circumference, edema, stasis circumference, edema, stasis dermatitis.dermatitis.
Predisposes to skin infections.Predisposes to skin infections.
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Stasis dermatitisStasis dermatitis
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Severe stasis dermatitis, Severe stasis dermatitis, recurrent cutaneous recurrent cutaneous
infections and leg edemainfections and leg edema
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Venous ulcersVenous ulcers Usually appear near the malleoliUsually appear near the malleoli
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Neuropathic ulcersNeuropathic ulcers
Usually seen in diabetic patientsUsually seen in diabetic patients The most common form of diabetic The most common form of diabetic
neuropathy is distal symmetric neuropathy is distal symmetric polyneuropathy.polyneuropathy.
Pain classically worsens at night.Pain classically worsens at night. Physical examination reveals sensory Physical examination reveals sensory
loss, loss of ankle reflexes, and loss, loss of ankle reflexes, and abnormal position sense. abnormal position sense.
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Neuropathic ulcersNeuropathic ulcers
Plantar ulcers are the result of Plantar ulcers are the result of moderate repetitive trauma moderate repetitive trauma underneath a metatarsal headunderneath a metatarsal head. .
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Diabetic footDiabetic foot
Up to 15% of diabetic patients develop Up to 15% of diabetic patients develop foot ulcers = diabetic foot.foot ulcers = diabetic foot.
Foot ulcers in diabetic patients appear Foot ulcers in diabetic patients appear due to:due to:
- Neuropathy- Neuropathy - PAD- PAD - Abnormal foot biomechanics and - Abnormal foot biomechanics and
structurestructure - Poor wound healing.- Poor wound healing. 10-20% of patients with leg ulcer 10-20% of patients with leg ulcer
undergo amputation of leg.undergo amputation of leg.
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Squamous cell carcinoma Squamous cell carcinoma and leg ulcerand leg ulcer
Marjolin's ulcerMarjolin's ulcer refers to ulcerating refers to ulcerating SqCCSqCC presenting in an presenting in an area of previouslyarea of previously traumatisedtraumatised, , chronically inflamed or chronically inflamed or scarred skinscarred skin
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Pressure sores/ Pressure sores/ Decubitus ulcerDecubitus ulcer
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Pyoderma gangrenosumPyoderma gangrenosum
Represents an overreactive inflammatory Represents an overreactive inflammatory response to traumatic, inflammatory, or response to traumatic, inflammatory, or neoplastic processes.neoplastic processes.
Extraintestinal cutaneous manifestation of Extraintestinal cutaneous manifestation of IBD- UC> Crohn’s disease.IBD- UC> Crohn’s disease.
In IBD-usually associated with severe In IBD-usually associated with severe disease, but not related to the course of the disease, but not related to the course of the disease, does not improve after colectomy.disease, does not improve after colectomy.
Begins as a pustule, usually on dorsal Begins as a pustule, usually on dorsal surface of feet and legs, spreads to involve surface of feet and legs, spreads to involve healthy skins, ulcerate. healthy skins, ulcerate.
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Pyoderma gangrenosumPyoderma gangrenosum Lesions have violaceous borders surrounded by Lesions have violaceous borders surrounded by
erythemaerythema Biopsy of an early lesion of pyoderma Biopsy of an early lesion of pyoderma
gangrenosum often demonstrates a dermal gangrenosum often demonstrates a dermal
neutrophilic abscessneutrophilic abscess
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DD of pyoderma DD of pyoderma gangrenosumgangrenosum Lesions resembling pyoderma Lesions resembling pyoderma
gangrenosum may appear in other gangrenosum may appear in other conditions, including vasculitis, conditions, including vasculitis, cancer, vascular diseases, infections, cancer, vascular diseases, infections, trauma, or antiphospholipid trauma, or antiphospholipid syndrome, as in this case.syndrome, as in this case.
Skin Ulcers Misdiagnosed as Pyoderma Gangrenosum. NEJM Oct 31, 2002. Weeing RH, et al .
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Ecthyma gangrenosumEcthyma gangrenosum EGEG is a cutaneous infection most is a cutaneous infection most
commonly associated with a commonly associated with a Pseudomonas aeruginosaPseudomonas aeruginosa bacteremia, bacteremia, but also other bacteria and fungi. but also other bacteria and fungi.
EG usually occurs in patients who are EG usually occurs in patients who are critically ill and immunocompromised.critically ill and immunocompromised.
Appears as painless round red macules Appears as painless round red macules that become pustular with surrounding that become pustular with surrounding erythema -> bullous -> gangrenous erythema -> bullous -> gangrenous ulcer with blackulcer with black//gray eschar. gray eschar.
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Ecthyma gangrenosumEcthyma gangrenosum
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Approach to a patient with Approach to a patient with palmar/ plantar rash palmar/ plantar rash
Rickettsial spotted feverRickettsial spotted fever MeningococcemiaMeningococcemia Infective endocarditisInfective endocarditis Secondary syphilis Secondary syphilis Hand-foot-and-mouth diseaseHand-foot-and-mouth disease Erythema multiformeErythema multiforme
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Secondary syphilisSecondary syphilis Scaly papular eruption, diffuse but Scaly papular eruption, diffuse but
prominent on palms and soles, never prominent on palms and soles, never vesicular.vesicular.
Condyloma latum, mucous patches Condyloma latum, mucous patches and alopecia in some cases.and alopecia in some cases.
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Hand-foot-and-mouth Hand-foot-and-mouth diseasedisease
Most frequently caused by Most frequently caused by coxsackievirus A16.coxsackievirus A16.
Usually appears in summer and fall.Usually appears in summer and fall. Highly contagious.Highly contagious. Papules evolving into tender vesicles Papules evolving into tender vesicles
appear on hands and feet. Patients appear on hands and feet. Patients complain on sore throat caused by complain on sore throat caused by mouth erosions. mouth erosions.
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Hand-foot-and-mouth Hand-foot-and-mouth diseasedisease
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Erythema multiformeErythema multiforme Target lesions up to 2 cm.Target lesions up to 2 cm. May involve mucosal surfaces and >10% May involve mucosal surfaces and >10%
body surface= EM major body surface= EM major Causes: - Infections- HSV, Causes: - Infections- HSV, M. M.
pneumoniaepneumoniae - Drugs- sulfa, penicillin, - Drugs- sulfa, penicillin,
phenytoinphenytoin - Rheumatic diseases- Rheumatic diseases - Leukemias, NHL, MM- Leukemias, NHL, MM - Idiopathic- Idiopathic
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Erythema multiformeErythema multiforme
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Cutaneous Cutaneous manifestations of manifestations of
internal internal malignancymalignancy
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Sister Mary Joseph’s nodule Sister Mary Joseph’s nodule (sign)(sign)
Firm periumbilical lesion associated Firm periumbilical lesion associated with cancers of the GI tract and with cancers of the GI tract and
ovary ovary
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Virchow’s nodeVirchow’s nodeEnlarged and firm left supraclavicular Enlarged and firm left supraclavicular
lymph node near the junction of the lymph node near the junction of the thoracic duct and the left subclavian thoracic duct and the left subclavian
vein- a sign of abdominal vein- a sign of abdominal malignancy malignancy
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Sign of Leser-TrSign of Leser-Tréélatlat
Sudden appearance Sudden appearance of multiple of multiple seborrheic seborrheic
keratoses- a sign of keratoses- a sign of internal malignancy, internal malignancy,
usually of GI tractusually of GI tract
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Acanthosis nigricansAcanthosis nigricans
Hyperpigmentation, primary in the Hyperpigmentation, primary in the flexural areas. Usually a sign of flexural areas. Usually a sign of insulin resistance, but may reflect insulin resistance, but may reflect internal malignancy, usually of GI internal malignancy, usually of GI tract.tract.
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DermatomyositisDermatomyositis
Inflammatory myopathy Inflammatory myopathy characterized by muscle weakness characterized by muscle weakness and characteristic skin findings. and characteristic skin findings.
Associated with breast, NHL, Associated with breast, NHL, ovarian, melanoma and GI cancers ovarian, melanoma and GI cancers in up to 50% of affected adults. in up to 50% of affected adults.
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DermatomyositisDermatomyositis
Heliotrope rashHeliotrope rash Gottron rashGottron rash
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