Author | Ted Rosen, MD


Ectoparasite Bites from a Kitten

October 16, 2012


The morphology and distribution of these lesions is characteristic of ectoparasite bites, which occur when a human carries a pet-usually a kitten or puppy-as if the animal were a human newborn baby.

Life-Threatening Fungal Infection Following a Motorcycle Accident

September 18, 2012


The black, hard center represents an eschar. This type of morphology is almost always caused by a virulent organism-bacterial or fungal. Biopsy showed non-septate hyphae within the dermis, and a culture grew Mucor species (a saprophytic soil fungus).

Life-Threatening Dermatologic Disorders in Infants and Children: Part 1

August 24, 2012


Not all patients with life-threatening dermatologic disorders are sick enough or symptomatic enough to go to the emergency department. . . some may come to your office with what may look like a relatively benign lump or bump. Yet within a few hours, such lesions can cause significant morbidity or even death.

Herpes Labialis in an Immunocompromised Patient

August 03, 2012


The multiple erosions on this teenager's lip are most likely an exaggerated version of herpes labialis related to his underlying lymphoma. A viral culture would be useful to verify the diagnosis.