Classic petechia rash that erupts on the hands and feet and rapidly progress to the trunk. The rash appears on the 3rd after the abrupt onset of high fever 103-105 severe headache, myalgia, conjunctival infection, nausea & vomitting. What is it?
Rocky Mountain Spotted Fever
Older fair skinned adult complains of numerous dry, round, red colored lesion with rough texture that do not heal. Most commonly occur in sun exposed areas such as face. In some cases it can be precancerous lesion to a squamous cell. What is it?
Actinic Keratosis
Fluid Filled >.5cm
Bulla/Blister
Flat change in skin with a color change
Macule
Solid lesion >0.5-2cm
Nodule
Raised, solid lesion <.5cm
Papule
Raised, solid lesion >.5cm
Plaque
<.05cm elevated lesion that contains fluid
Vesicle
Transient rounded or flat-top plaque
Wheal (Hive)
Fungal infection on the head
Times Capitus
Fungal infection on the body surface
Times corporis
Jock itch (fungal infection on jock)
Tinea cruris
Fungal infection on foot
Tinea pedis
Fungal infection of the nail
Tinea unguium
Screening for Melanoma?
Assymetry
Border irregular
Color varies
Diameter >6mm
Enlargement
What is the most common type of cancer in the US?
Skin - Basal Cell Carcinoma
Fungal infection of the beard?
Tinea barbae
Rashes that are pruritic at night and located in the interdigital web or penis should be treated as what until proven otherwise?
Scabies
-Treat entire family, wash linens/clothes in hot water
Preferred antibiotic for dog/cat bites?
Augmentin
A patient is covered with fine scales, what does the patient have?
Psoriasis
What should you always inform females who use accutane?
Use 2 forms of birth control
Treatment for Rosascea?
Topical metronidazole
What is the prophylaxis for post herpetic neuralgia?
TCAs or Amitriptyline (Elavil)
Pearly/waxy skin lesion with an Atrophic ulcerated center that doesn’t heal. Flesh colored, bleeds easily. More common in fair skinned individuals and important risk factor is severe sunburns as a child.
Basal Cell Carcinoma
Most common type of melanoma in Asians and African Americans?
Actual Lentiginous Melanoma
People with darker skin require longer periods in the sun to produce vitamin D
True
Melasma
Mask of Pregnancy
Diffuse velvety thickening of the skin that is usually located behind the neck and on the axilla.
Acanthosis Nigricans (at risk for DM, Metabolic Syndrome, obesity, GI cancer)
Never prescribe what type of medication in a patient who has a suspected fungal infection
Steroids
Mild acne should only be treated with what form of medication?
Topicals
Atopic (Eczema)Vs Contact Dermititis
Contact has asymmetric distribution and the shape my follow a pattern from where the person has came into contact with something
Thrush in healtht adults my signify what?
Immunodeficient condition
Dog and cat bites most likely harbor what type of organism?
Pasteurella
Patient complains of the acute onset of painful red bumps and small blisters on the sides of the fingers. What does the patient have?
Herpatic Whitlow (self limiting - treat with NSAIDs, severe - treat with acyclovir)
When does he herald patch appear before the full breakout?
2 weeks in pityriases rosea
What is the prophylaxis for Meningoccocemia?
Rifampin for close contacts
Koplik’s spots are small white round spots on a red base on the buccal mucosa by the rear molars
Measles
What is used to help treat psoriasis?
Psoralens (tar derived topical)
Chronic relapsing skin infection disorder that is common. Class case is a light skinned individuals with Celtic background complains of chronic small acne pustules are face, blushes easily. Has red/blond hair and complains of dry eyes or chronic blepharitis.
Rosacea
Patient complains of acute onset of painful large dark red nodules and papules under arm. Ruputured lesion drain purulent green colored discharge. Pain resolved when the abscess drains and heals. History of recurrent episodes and extensive scarring in the area where this condition occurs.
Hidradenitis Suppurativa
Vehicle Strength of steroids?
Ointment > Gels > Creams > Lotions (elderly)
Most common complaint with seborrheic keratosis?
Itching
Which serologic test, of positive is highly suspicious for lupus?
Positive AntiNuclear Antibodies
Salmon colored macule presents initially with this rash
Herald Patch - Pityriasis Rosea
Most common type of skin cancer?
Basal Cell Carcinoma
Treatment for purulent cellulitis?
Clindamycin, Bactrim
Treeatment for non-purulent cellulitis?
Keflex
First line treatment for anthrax?
Cipro
After topical medications have failed for acne, then Retin A 0.25% gel has failed, what is the next step?
Oral Tetracycline (Sumycin)
Last - Accutane
Pitting on the fingernails is correlated with what skin disease?
