Dermatology Flashcards
What is the most common complication of measles?
Diarrhea
What is the correct method for removing a tick?
Use tweezers or forceps to grab the tick’s head as close to the skin as possible, and gently pull upward
Goal is to avoid crushing or tearing the tick’s head/body to avoid regurgitation of infectious contents
What is the most common neurological symptom from second stage Lyme disease?
A unilateral or bilateral facial nerve palsy
What causes Lyme Disease?
Borrelia burgdorferi carried by lxodes tick
Bilateral facial nerve palsy is pathognomonic for what condition?
Lyme Disease
What diagnosis must be considered in any patient with persistent, non-healing mouth ulcers?
Squamous cell carcinoma
What is the etiology of herpetic whitlow?
Who most commonly presents with herpetic whitlow?
Herpes simplex virus
Dentists or healthcare workers, nails salon workers
Should mammal bites to the face be treated with primary closure or secondary intention?
Primary Closure
*Wounds should be copiously irrigated and explored, closed by primary closure, and pt given antibiotics
Observation is usually recommended in molluscum contagiosum due to it being benign, but when is treatment with cryotherapy recommended?
In teens or adults with suspected STI due to high risk of transmission
What complication should herpes zoster lesions at the tip of the nose alert the clinician to?
Ocular herpes zoster is correlated with lesions at the tip of the nose (Hutchinson sign)
A slowly growing nodule with a central depression and a pearly border should make you think of what diagnosis?
Basal cell carcinoma
Are lesions from psoriasis typically found on flexor or extensor surfaces?
Extensor
What type of hypersensitivity reaction is atopic/allergic dermatitis classified as?
Type I, IgE
A waxy, stuck on appearance should make you think of what diagnosis?
Seborrheic keratosis
What is the first line treatment for pediculosis capitus?
Topical permitherin
Tense bullae with negative Nikolsky sign should make you think of what diagnosis?
Bullous pemphigoid
A pearly dome-shaped lesion with a central umbilication should make you think of what diagnosis?
Molluscum contagiosum
Salmon colored scales should make you think of what diagnosis?
Psoriasis
Spaghetti and meatballs on KOH prep should make you think of what diagnosis?
Tinea versicolor
A teardrop lesion after a course of strep throat should make you think of what diagnosis?
Guttate psoriasis
What is the most common causative microbe in erysipelas?
Strep pyogenes
What stage would a pressure ulcer be if it had full-thickness skin loss and you can see fat?
Stage 3
How do you treat dyshidrosis?
Topical steroids
A positive Auspitz sign should make you think of what diagnosis?
Psoriasis
Purple, pruritic, polygonal papules on exam should make you think of what diagnosis?
Lichen Planus
Silvery scales should make you think of what diagnosis?
Psoriasis
What is the treatment for a bad brown recluse spider bite?
Debridement, the venom causes tissue necrosis
What is another name for measles?
Rubeola
Flaccid blisters that rupture easily with positive Nikolsky sign should make you think of what diagnosis?
Pemphigus vulgaris
Hyperpigmented velvety plaques should make you think of what diagnosis?
Acanthosis nigricans
What type of hypersensitivity reaction is contact dermatitis classified as?
Type 4, T cell mediated
