Ted Rosen, MD

August 28, 2012

The fairly well-defined erythematous plaques covered with silvery scale are typical for psoriasis. In some patients, the disorder may be limited to the genital skin.

August 25, 2012

The patient knew that he had psoriasis, but failed to connect onychodystrophy to his underlying skin disease.

August 22, 2012

A biopsy confirmed that the white mucosal discoloration and scattered small erosions were the result of lichen planus. Eradication may be attempted with potent topical steroids or oral steroids.

August 17, 2012

This man wore a personal heart rate monitor/transmitter while running, and had become allergic to the thiuram chemicals used to make the synthetic elastic band. A topical corticosteroid resolved the problem.

August 17, 2012

Bruising is a sign/symptom to be taken seriously. This patient abused alcohol; his vitamin C deficiency confirmed the diagnosis of scurvy. This patient is also at risk for pellagra and beri beri.

August 16, 2012

Despite the fact that this lesion is NOT in a sun-exposed skin site, the clinical features are typical for a basal cell carcinoma.

August 14, 2012

Pitted keratolysis is caused by pedal hyperhidrosis and subsequent overgrowth of bacteria that produce proteinases that dissolve keratin and lead to pit formation.

August 10, 2012

Most bruising episodes are directly related to trauma, medication, or herbal supplements. When no no clear etiology is prsent, "spontaneous" bruising should be considered an urgent problem.

August 07, 2012

Each of these lesions proved to be infiltrative basal cell carcinomas. Denial is a strong defense mechanism and it can lead patients to avoid seeking medical attention for long periods, as was the case here.

July 25, 2012

A small punch biopsy showed basal cell carcinoma with focal hypermelanosis. The underlying erythema and punctuate superficial dark black pigmentation strongly suggested a dysplastic nevus or even a melanoma.