A 35-year-old woman who is pregnant for the first time has had elevated blood pressure since she first presented for prenatal care at 28 weeks' gestation.
Yellow, thickened nail plates; complete or partial loss of fingernails; asymptomatic greenish black discoloration—what do you suspect is the underlying cause in these cases?
Two ringed, extremely pruritic lesions were noted on a 6-year-old girl receiving immunosuppressive therapy after she had undergone heart transplantation.