Acute hemorrhagic edema of infancy: case reports and a review of the literature.

Acute hemorrhagic edema of infancy (AHEI) is an unusual form of leukocytoclastic vasculitis that affects children younger than 2 years and frequently is preceded by drug intake, vaccination, or a variety of infections. It is characterized by an abrupt onset of fever, purpuric lesions, and peripheral edema on the face and extremities that may be confused with other dermatoses. The course is benign with spontaneous resolution.

Aggressive digital papillary adenocarcinoma: a report of two diseases and review of the literature.

Aggressive digital papillary adenocarcinoma (ADPAca) is a rare, underreported, and often misdiagnosed malignant tumor of the sweat glands most commonly occurring in males in their fifties to seventies. We report two cases of ADPAca with important clinical implications. A 54-year-old man presented 3 years after digit amputation for ADPAca with new blue nodules on his arm, lymphadenopathy, and a lung nodule; he was diagnosed with and treated for metastatic ADPAca.

The role of topical immune response modifiers in skin cancer.

Topical immune response modifiers include imiquimod and resiquimod. The mechanism of action of immune response modifiers is complex and not completely understood. It involves the stimulation of innate and cell-mediated immune responses through Toll-like receptor-mediated induction of cytokines.