- The most commonly used substrate for indirect immunofluorescence in diagnosing paraneoplastic pemphigus is:
a. guinea pig esophagus
b. monkey bladder
c. monkey esophagus
d. rat bladder
e. rat esophagus
2. Which solid organ malignancy is most commonly associated with paraneoplastic Sweet syndrome in men?
a. bladder
b. brain
c. gastrointestinal
d. lung
e. renal
3. A patient with necrolytic migratory erythema and glucagonoma syndrome can be expected to have the following abnormal laboratory results:
a. elevated amino acid levels
b. elevated red blood cell count
c. elevated serum glucagon levels
d. elevated zinc level
e. low serum glucagon levels
4. Leser-Trélat sign has been reported to present with which of the following:
a. acanthosis nigricans
b. acquired ichthyosis
c. severe pruritus
d. tripe palms
e. all of the above
5. Which of the following is most strongly associated with an increased risk for malignancy in dermatomyositis?
a. anti-Mi2 autoantibody
b. anti-p155 autoantibody
c. elevated erythrocyte sedimentation rate
d. positive antinuclear antibody
e. positive double-stranded DNA