Ted Rosen, MD

July 19, 2012

This was presumed to be an ectoparasite bite when the patient reported that she had a new pet kitten. A myriad of diagnostic possibilities exist, including the start of a drug eruption or viral infection, early allergic contact dermatitis, or first manifestation of an autoimmune bullous disease.

July 18, 2012

These hypopigmented well demarcated round patches with an atropic center are typical of porokeratosis, which can appear at any age.

July 12, 2012

The easily visible 5 mm-long insect, is a classic bedbug (Cimex lectularis).

June 22, 2012

A biopsy is the only way to determine if this is a primary cutaneous neoplasm or a cutaneous metastasis from a visceral carcinoma.

June 19, 2012

This woman is allergic to an ingredient in her favorite lipstick.

June 18, 2012

A biopsy is mandatory since the diagnosis includes melanoma. This blue-black macule proved to be a blue nevus.

June 15, 2012

Mammography showed a dense fine mass which, on fine needle aspiration, showed intraductal carcinoma.

June 14, 2012

A painful and/or tender subungual lesion should suggest a “glomus tumor”-- a benign growth seen more commonly in women than in men and most frequently under the fingernail.

June 11, 2012

A number of clues suggest that this pigmented lesion is a seborrheic keratosis, including its rough surface, truncal location, and age of the patient (59 years).

June 07, 2012

Leishmaniasis remains an important infection which can be “imported” from endemic foci, such as the Middle East.