Buccal Mucosa – Friday Pop Quiz 7/19
After starting multiple new medications in the past four months a 58 year-old man presented to clinic with a non-painful discoloration on his left buccal mucosa for the past three weeks. He also had a recent sinus infection treated with oral antibiotics. He denied tobacco use, alcohol use, and any dental work in the past three years. Biopsy showed focal hypergranulosis, necrotic keratinocytes, …
After starting multiple new medications in the past four months a 58 year-old man presented to clinic with a non-painful discoloration on his left buccal mucosa for the past three weeks. He also had a recent sinus infection treated with oral antibiotics. He denied tobacco use, alcohol use, and any dental work in the past three years. Biopsy showed focal hypergranulosis, necrotic keratinocytes, … 
A 38-year-old African American female presents for management of several pink papules growing on her elbows and groin. She also has multiple soft, skin-colored and hypopigmented blashkolinear nodules with representative pathology shown here. Her daughter and granddaughter have similar skin findings as well as ectrodactyly. Which of the following is true regarding the disorder?
A. The diseas … 
A 40-year-old woman presented to clinic for evaluation of multiple “skin growths” on her face, hands and gums that had increased in number over the past 10 years. Her past medical history was remarkable for invasive ductal carcinoma of the left breast, multiple colon polyps, a benign thyroid nodule and uterine fibroids. Classic phenotypic features of this disease include all of the followi … 
What is the best description of the histopathology expected for the border of the lesion seen here?
A. Regular elongated rete ridges with superficial small vessels
B. Epidermal spongiosis with atypical lymphocytes spreading into the epidermis
C. Perivascular lymphocytic infiltrate with prominent eosinophils
D. Hyperplasia of the superficial epidermis
E. Parakeratosis in a column … 
The patient demonstrated with these cutaneous findings would most likely also have which of the following?
A. LDL receptor deficiency
B. Decreased chylomicrons
C. Elevated triglycerides
D. Decreased LDL
E. Decreased triglycerides
To find out the correct answer and read the explanation, click here.
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