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…
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…