Quiz
Verrucous Nodule on the Upper Lip
A 62-year-old black man presented to a dermatologist in the northeastern United States with a verrucous nontender nodule on the upper lip after...
Article
All-trans-retinoic AcidInduced Scrotal Ulcers in a Patient With Acute Promyelocytic Leukemia
Acute promyelocytic leukemia (APL) accounts for 10% of acute myelocytic leukemias and is characterized by t(15;17) that produces the PML-RARα (...