Skin Diseases

April 15, 2020

A 12-year-old boy has had this brown patch on his left buttock since birth. His mother is concerned that the patch has grown over the years and she wants to be sure that it will not be a health concern for her son.

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.

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

November 14, 2012

This annular configuration is classic for granuloma annulare; very widespread lesions may signal diabetes mellitus.

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.

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.

October 26, 2012

Take this week's quiz and test your diagnostic and therapeutic skills.

October 16, 2012

Take this week's quiz and test your diagnostic and therapeutic skills.

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.

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).