b oard r eview dermatology. psoriasis silvery scales commonly have thickend skin found on extensor...
TRANSCRIPT
![Page 1: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/1.jpg)
BOARD REVIEWDermatology
![Page 2: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/2.jpg)
Click icon to add picture Psoriasis
SILVERY SCALES
COMMONLY HAVE THICKEND SKIN
Found on extensor surfaces, scalp, butt
AUSPITZ SIGN: when remove scale small pinpoint bleeding points
![Page 3: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/3.jpg)
Click icon to add picture Staph diaper dermatitis
Complication of diaper dermatitis
Thin walled pustules with erythematous base- rupture and leave a denuded area
Cx: gram pos cocci
Tx: oral and topical antibiotics
![Page 4: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/4.jpg)
Click icon to add picture Koebner Pnenomenon
Lesions seen at areas of trauma
![Page 5: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/5.jpg)
Click icon to add picture Nummular excema
Pruritic, round to oval shape red scaly patch
Usually found on extensor thigh or abdomen.
Commonly seen in children with atopic derm or keratosis pilaris
Lack of central clearing!
![Page 6: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/6.jpg)
Click icon to add picture Pityriasis Alba
Inflammation from atopic dermatitis – hypopigmented areas
Most commonly seen on face or extremities
Associated with other forms of atopy
![Page 7: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/7.jpg)
Click icon to add picture Pityriasis Rosea
Herald Patch – oval pink lesion
5-10 days later the other lesion appear all over the body.
Commonly seen on the trunk.
Small round papules with scale
“Christmas tree”
Usually resolves in 4-6 weeks
![Page 8: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/8.jpg)
Click icon to add picture Seborrhea
“cradle cap”
Greasy
Scaly
Seen in hear-bearing or intertriginous areas
Tx: topical steroids, antiseborrheic shampoos
Not that itchy.
![Page 9: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/9.jpg)
PClick icon to add picture Thumb sucking eczema
From repeated wetting and drying
![Page 10: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/10.jpg)
Click icon to add picture Epidrmolytic Hyperkartosis
Rare
AD
Form of ichthyosis
Generalized thick, warty scales with intermittant blisters.
Worse at extensor surfaces
Histiologically- ballooning of squamous cells and microvesicles
![Page 11: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/11.jpg)
Click icon to add picture Auspitz Sign of Psoriasis
Bleeding after removal of scales
![Page 12: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/12.jpg)
Click icon to add picture Atopic Dermatitis
A: infantile
Red, ITCHY, papules that ooze and crust
Childhood – dry and very itchy
Wrist, ankles, anticubital fossa,
Popliteal fossa
Can see with hyper or hypo pigmentation
![Page 13: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/13.jpg)
Click icon to add picture Rubber contact dermatitis
T cell mediated immune reaction
![Page 14: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/14.jpg)
Click icon to add picture Seborrhea of scalp
![Page 15: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/15.jpg)
Click icon to add picture Tinea Corporis
“Ringworm”
Superficial fungal infection
Annular lesion with central clearing. Vesicular border.
Trichophyton tonsurans or Microsporum canis
KOH
![Page 16: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/16.jpg)
Click icon to add picture Tinea Versicolor
Multiple small oval scaly patches
Commonly on upper back, trunk and upper ext.
Pityrosporum org.
Dark than other skin in non sun exposed areas and lighter in areas that are exposed.
KOH – spaghetti and meatballs
Tx; topical antifungals
Discoloration may remain for months
![Page 17: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/17.jpg)
Click icon to add picture Diaper dermatitis
Sparing intertirginous areas
Treatment: barriers and moisturizer
Watch for diaper rash that doesn’t go away!!
![Page 18: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/18.jpg)
Click icon to add picture Tinea Pedis
“Athlete’s foot”
Commonly seen between toes and soles, but can spread
Tx topical antifungals
Onychomycosis- nail fungus - oral
![Page 19: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/19.jpg)
Click icon to add picture Erythema Multiforme
Target Lesions
Hypersensitivity reaction
Symmetrical, any part of the body
Can develop to bullae
Causes: drugs, foods, immunizations
Typically not that itchy
Resolves 1-3 weeks
![Page 20: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/20.jpg)
Click icon to add picture Stevens-Johnson
Erythema Multiforme major
Involves mucus membranes and sloughing
Monitor electrolytes
![Page 21: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/21.jpg)
Click icon to add picture Candida diaper dermatitis
Satellite lesions
Bright red, sharp borders
KOH – budding yeast
Commonly seen with antibiotic use
Tx; topical antifungal
![Page 22: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/22.jpg)
Click icon to add picture Milia Rubra
Sweat duct obstruction
Commonly seen in infants – face and neck
Worse in hot humid weather
Tx: loose clothes, no greasy agents
![Page 23: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/23.jpg)
Click icon to add picture Infantile Acropustulosis
Starts as papules and then progesses to pustules of vesiculopustules
Common in AA males
Seen on hands and feet
Last 10 days then disappear, but will reappear a few weeks later.
Resolves 2-3 yrs
Unknown etiology
![Page 24: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/24.jpg)
Click icon to add picture Urticaria
“Hives”
Wheals
VERY ITCHY
IgE mediated
Usually resolves within 24 hours
Can progress to look like EM, or can spread to subcut tissues - angioedema
![Page 25: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/25.jpg)
Click icon to add picture Serum Sickness-like reaction
1. Urticarial lesions
2. Periarticular swelling
3. Extremity swelling
Seen with URI or sulfa containing drugs
Stocking glove angioedema
Painful migratory periarticular swelling
![Page 26: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/26.jpg)
Click icon to add picture Morbilliform drug eruption
Can look like viral exathem
Macules and papules that usually starts on trunk or face
Can see 5-14 days after starting the medication
![Page 27: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/27.jpg)
Click icon to add picture Henoch-Schonlein Purpura
Palpable purpura
Usually LE
Small vessel vasculitis
skin, GI, kidneys, joints
Rash, abd pain, arthritis
Commonly seen after viral illness
![Page 28: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/28.jpg)
Click icon to add picture Insect Bite
Not to be confused with cellulitis
Pruritc, nontender, and nonindurated.
![Page 29: B OARD R EVIEW Dermatology. Psoriasis SILVERY SCALES COMMONLY HAVE THICKEND SKIN Found on extensor surfaces, scalp, butt AUSPITZ SIGN: when remove scale](https://reader030.vdocuments.net/reader030/viewer/2022032702/56649cac5503460f9496e777/html5/thumbnails/29.jpg)
Click icon to add picture Insect Bites
Flea bites – red itchy with central puncta