HCV Associations
Autoimmune
Lesions
Bacterial
Vitamins and Minerals
100
This immune complex–mediated vasculitis is the most common dermatologic manifestation of chronic HCV infection.
What is mixed cryoglobulinemia
100
This autoimmune blistering disorder targets desmoglein-3 and presents with mucosal erosions and flaccid intraepidermal bullae.
What is pemphigus vulgaris?
100
This common benign lesion appears as a well-demarcated, waxy, "stuck-on" papule or plaque, often found on the trunk of older adults.
What is seborrheic keratosis?
100
Name this condition that has bright red fluorescence under woods lamp.
What is erythrasma?
100
This deficiency is associated with dermatitis, diarrhea and dementia.
What is niacin deficiency (pellagra)
200
This painful, purplish rash on the lower legs with palpable purpura is a classic skin finding in HCV-related cryoglobulinemic vasculitis.
What is leukocytoclastic vasculitis
200
This systemic autoimmune disease may show a "salt-and-pepper" appearance of the skin, digital ulcers, and telangiectasias.
What is systemic sclerosis (scleroderma)?
200
This firm, hyperpigmented papule often has a central dimple when pinched and histologically shows fibrous tissue; commonly found on the legs.
What is a dermatofibroma?
200
The first-line treatment for uncomplicated erysipelas in a non-allergic patient.
What is oral penicillin, amoxicillin
200
This deficiency is associated with night blindness and white spots on the conjunctiva.
What is vitamin A deficiency.
300
This medication is used to treat this condition.
What is topical corticosteroid.
300
This autoimmune blistering disorder is associated with gluten sensitivity, anti-epidermal transglutaminase antibodies, and neutrophilic microabscesses at the tips of dermal papillae.
What is dermatitis herpetiformis?
300
This benign lesion can mimic melanoma but is usually <1 cm, stable in size, symmetric, with uniform pigmentation and a positive "dimple sign" on palpation.
What is a benign melanocytic nevus?
300
Name this skin finding found in a neutropenic patient. 
What is ecthyma gangrenosum.
300
This deficiency is known for causing perifollicular hemorrhage and is associated with a "bread and tea" diet". 
What is vitamin C deficiency.
400
This rare necrotizing skin condition, often presenting with ulcerating nodules and livedo reticularis, can be triggered by HCV and is associated with foot drop.
What is polyarteritis nodosa.
400
This topical medication is used in mild-to-moderate psoriasis. It inhibits keratinocyte proliferation and normalizes differentiation.
What is a topical vitamin D analogue, ex: calcipotriene.
400
This is the treatment of choice for BCCs on the face or cosmetically sensitive areas with high-risk features (e.g., morpheaform subtype, recurrence, location near eyes/nose).
What is Mohs micrographic surgery?
400
Name the treatment for this young patient with skin findings and a knee synovial fluid studies containing 20,000–60,000 cells/mm³, mostly neutrophils.
What is ceftriaxone and doxycycline.
400
This level is elevated in this patient with hyperpigmentation and glossitis due to a vitamin deficiency.
What is methylmalonic acid in8 B12 deficiency.
500
This condition is also associated with iron overload. 
What is porphyria cutanea tarda.
500
These well-demarcated, scaly plaques heal with atrophy, scarring, and dyspigmentation; biopsy shows interface dermatitis, follicular plugging, and basement membrane thickening, often without systemic involvement.
What is discoid lupus erythematous.
500
Name this skin condition that predisposes you to this type of skin cancer shown below.
What is actinic keratosis.
500
Name this organism.
This 67-year-old man with cirrhosis and lower extremity edema presents with rapid-onset bullae, hemorrhagic skin lesions, and septic shock after. Blood cultures grow a gram-negative rod.
Histology shows hemorrhagic bullae with dermal necrosis and neutrophilic infiltration.
What is Vibrio vulnificus?
500
This deficiency can occur when a patient is on TPN. It is commonly associated with alopecia and an eczematoid rash on the nasolabial folds and extenso surfaces.
What is zinc deficiency.