Urticarias, Erythemas, Photosensitivities & Purpuras Flashcards
The most common form of panniculitis is
Erythema nodosum
Erythema induratum is most commonly associated with
Tuberculosis
The appropriate starting adult dose of SSKI when used to treat erythema nodosum is
150 mg TID
The development of erythema nodosum in young females may be associated with which medication
Estrogen
Lipodermatosclerosis more commonly occurs in which age group?
Middle aged females
Which diagnostic criterion is KEY histological finding in lipodermatosclerosis?
Hyaline sclerosis
Although the lesions of Sweet’s Sybdrome may occur anywhere on the body - a very common location includes
Dorsal hands
True or False: Fever may precede and accompany development of lesions related to Sweet’s Syndrome
True
Pathology of a lesion with Sweet’s Sybdrome should demonstrate which cells?
Neutrophils
The first line medication of choice of widespread lesions of Sweet’s syndrome is
Oral prednisone
A significant amount of pyoderma gangrenosum cases can be associated with which condition?
Inflammatory bowel disease
A pyoderma gangerenosum lesion developing after minor trauma describes
Pathergy
The histology findings of a lesion suspected to be a pyoderma gangrenosum should include
Neutrophils
The onset of polymorphic light eruption generally occurs during which time of the year?
Spring
Onset of polymorphic light eruption generally starts
Between 2nd and 3rd decade of life
The most common type of lesion notes in polymorphic light eruption is
Papule
Polymorphic light eruption may be treated with
Oral corticosteroids, cyclosporine and azathioprine
Prescription drug reaction rates are highest with
Aromatic amines
An example of a nonimmunologic drug reaction includes
Toxicity
Which medications are likely to be associated with an urticaria type drug reaction?
NsAIDs
The most common drug eruption pattern seen is
Maculopapular (exanthematous eruption, morbilliform)
The most important diagnostic tool in a suspected drug eruption is
History
In treating a drug reaction it is key to
Identify and discontinue suspected drug
In differentiating acute generalized exanthematous pustulosis from pustular psoriasis, the patient is more likely to present with
Fever
A fixed drug eruption is most likely to occur on the
Genitalia
Drug reaction with eosinophilia and systemic symptoms (DRESS) occurs most commonly with which medications
Sulfasalazine
TEN and SJS are the same skin condition with the exception of
Amount of BSA involved
Laboratory testing that can differentiate between drug related or viral exanthem include what
NA
Erythem multiforme is associated with an infection in what percentage of cases
90%
The most associated infection in erythema multiforme is
HSV-1
A treatment option for mild asymptomatic erythema multiforme is
Oral antihistamines
The first treatment consideration of recurrent erythema multiforme would be
Anti-viral suppression with acyclovir
The majority of cases of urticaria involves what
IgE
Chronic urticaria is defined as urticaria occurring for at least
6 weeks
Which type of urticaria is stress provoked?
Adrenergic
The etiology of most cases of chronic urticaria is determined by
History and physical exam
What is a chronic disease linked to development of vasculitis?
Cryoglonulinemia
Kawasaki disease affects infants to children aged 8, with peak onset occurring at which age?
1 year of age
Thirty percent of all polyarteritis nodosa is associated with
Hepatitis C or B infection
