Skin Diseases

Cellulitis-Adenitis From Late-Onset Group B Streptococcus Infection

February 07, 2013

A 2-month-old infant had right submandibular swelling with inflammation and induration up to the nape of neck. Ultrasonography showed multiple enlarged lymph nodes with soft tissue swelling. Blood cultures grew Gram-positive cocci, which were identified as group B streptococci. Late-onset GBS infection is acquired from colonized household contacts.

Granuloma Annulare and Bell Palsy

December 13, 2012

Test your skills in this 5-question quiz.QUESTION 1: A 16-year-old boy presented with an extremely pruritic rash on the elbows, at the wrists, and on the top of the hands. This is classic for granuloma annulare.  Courtesy of Ted Rosen, MD

Child Abuse and Ehlers-Danlos Syndrome

November 13, 2012

A 6-month-old girl was brought to the ED with fever, cough, and irritability; she appeared well-hydrated. She was born prematurely and had a long, complicated stay in NICU, where she received CPR on 2 occasions. There was concern about lung "congestion." The ED physician made a diagnosis of pneumonia. Rib fractures were also noted, but there was no history of fractures at the time of discharge from the NICU.

Diaper Dermatoses: A Photo Essay

November 10, 2012

Acrodermatitis enteropathica and Langerhans cell histocytosis are recalcitrant forms of diaper dermatitis( DD); other variants are: candidal DD, irritant or contact DD, Jacquet’s disease, and psoriasis.

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).