More than 70 medications have been implicated as a cause of drug-induced lupus. The condition most commonly manifests with arthralgias and fever. The most important laboratory feature is an elevated antinuclear antibody titer, which often corresponds…
Background. Systemic amyloidosis reads to functional compromise of various organs through infiltration of these tissues by amyloid protein. The majority of affected patients develop infiltration of the thyroid gland; yet thyroid dysfunction rarely…
Diagnosis of porphyria cutanea tarda is usually fairly straightforward because of the characteristic clinical findings. Blisters and erosions develop acutely on sun-exposed skin, sometimes accompanied by hypertrichosis, abnormal pigmentation, and…
